MEK Oral Questions and Answers

Most wear proper PPE. Safety Helmet, Eye protective glass , Face Mask, Hand gloves,Safety shoes.

Check the hand tools free from oil and grease.

File cleaning from wire brush and hammer handle should be tight and fitted.

Use proper size and type of hand tools and job.

Servicing and overhauling of machinery after certain working hours to prevent sudden breakdown.

It also increases the life of machinery.

It also improves the efficiency of machine.

It also prevents from sudden type of accident .

1.Overhead Crane

2.Chain Block

3.Ratchet Block

4.Shackle

5.Eye Bolt

6.Wire sling.

must check the SWL of lifting tool.

Check lifting tools in good condition.

It should be free from oil and grease.

It should be properly lashed and secured.

It is written on the body of spanners.

File the opposite side of the nut and try with open jaw spanner.

tryto open with a pipe spanner.

Cut with chisel hammer and hacksaw.

Use gas cutting with a hot work permit.

Fit and Lock two nuts on the stud head and turn the top nut Clockwise for fixing.

For removing, turn the bottom nut in anticlockwise.

Put a mark with Centre punch at the Centre on the Stud head.

Drill a small diameter but dip hole at the centre of the stud head.

Put a proper size stud extractor in the hole.

Turn the extractor with a small spanner to remove the broken stud anticlockwise.

10.What is the function of the Auxiliary Engine? OR How Electricity is generated?

It turns the alternator to generate electricity 11.What is the function of Main Engine? It turns the propeller of the ship to move a ship Ahead and Astern. 12.What is the Function of Centrifugal Purifier? It separates solid impurities and water from oil by centrifugal force. 13.What will you check when a Purifier is in operation?

Check the gear oil in the gearcase.

Check the fuel oil inlet and water outlet.

Check the motor load and motor temperature.

Check if any normal noise and vibration.

Check if any leakage 14.Identification of different parts of Purifier.

1.Duplex gear

2.Flexible pipe

3.Oil inlet

4.Oil outlet

5.Spindle

6.Separating disk

7.Top disk

8.Bowl

9.Bowl cover 10. pressure gauge 11.Relief valve 12. Centrifugal clutch 13.Sight glass 15.Strainer and Filter ** Strainer:- It separates large solid impurities from any fluid(liquid,aur,gas,oil). Filter:- It separates fine solid particles from liquid or air or gas. 16.What is the function of OWS? ** It separates oil and water from oily water mixture. 17.What is the function of Incinerator? Type of garbage not allowed to incinerate.

It burns certain types of garbage. Plastic, hospital Waste, PCB (poly chlorinated biphenyl), garbage large particle) 18.What is a Heat Exchanger ? It exchange heat between two media passing through it without mixing up. 19.Name three types of Heat Exchanger.

Preheater,

Refrigerator,

Jacket cooling water,

Evaporator,

Condenser 20.What is STP ( Sewage Treatment Plant). How is the treatment done? What type of treatment is done?What chemical is used?

It is in which Sewage treatment is done usually biological to remove all the harmful substances before discharging to the ship.

Chlorine and sodium hypochlorite 21.What is the difference between pressure and vacuum? Pressure is the force above atmospheric pressure while vacuum is the force below atmospheric pressure. 22. What is the function of Fresh Water Generator ? It generates fresh water from sea water. 23.What are the advantages of generating fresh water on board? Ship can carry more cargo instead of water, production rate nil,higher quality of water are obtained 24.What is a Hydrophore System?** Hydrophore system is a system in which fresh water is supplied continuously for domestic supply. 25.What one must know as a Watch keeper in the Engine Room?

All alarm systems knowledge and actions to handle it

Normal Parameters of all machinery knowledge.

Location and use of all safety items.

Action to take in case of breakdown of any engine or any other equipment. 26.How will you take over Watch in the Engine Room?

Check all parameters of running machinery.

Check Sounding of all important tanks.

Check all important running machinery and started smoothly

Check the entry in the engine room log book and also see the instructions written by the chief engineer officer. 27.What safety precautions will you take in the Engine Room during bad weather?

Engine Room should not be on Ums made.(Unattended machinery space operation).

Check frequently all parameters of all running machinery.

Check the Skylight and other water light doors.

Secure all loose items in the E/R and all in store.

Maintain lube oil level in machinery or water level in Boiler slightly Higher than normal.

You must be take frequently round in E/R and see all things normal. 28.What safety precautions will you take in the Engine Room during Dry Docking?

Fire line must be always pressurised from the shore.

Check electric source supply is with normal Voltage and Frequency.

Do not transfer oil and water tank to tank.

Maintain frequent fire patrolling.

Emergency escape passage to be kept clean and unlocked

Fire fighting equipment to be kept always rendy.

Do not allow oil rags or any other garbage to accumulate

Do not allow any Unauthorised persons to enter in the E/R. 29.What safety precautions will you take for receiving a Bunker?

Pre bunker meeting.

Hoist flag or high for Bunkering.

Close all scupper plug on deck.

Keep fire fighting equipment ready.

Keep sopep equipment ready.

Start Bunkering at Low pressure and check for any leakage.

Collect 4 samples.

This is a device which controls flow of fluid Passing through it.

Globe valve, Gate valve, Butterfly valve. Ball valve, Cock Valve

Joint is used to prevent leakage from two fixed surfaces. like pipe flange, valve cover, pump Casing etc.

Packing is used to prevent leakage between the Casing and rotating shaft of pumps or rotating spindles of valves.

Mechanical Seal

joint is used to prevent leakage between two surfaces whereas packing Packing is used to prevent leakage between the Casing and rotating shaft of pumps or rotating spindles of valves.

Meterial:-Cotton, jute, flax

This type of valve allows flow in one direction only closes automatically if there is flow from the opposite side.

6.Where do you find Quick Closing Valves fitted/ Its purpose ? Where from it is operated and what are the different means of operation of the quick closing valve?

Quick closing valve is found in every outlet of the fuel oil tank except the Double bottom tank.

Quick closing valve is operated in the remote location outside the E/R.

It is used in the case of fire in the engine room and can be easily closed from outside the engine room.

Tight the gland nut ,if leakage does not stop put some more turns of packing or renew the complete packing

Isolate the valve of the system, dismantle all the parts ,clean and check all the parts,check the proper size and Thickness of packing to make sure the packing ends are cut 180 degree apart .

Pump is a device that pressurises the fluid Passing through it.

Reciprocating Pump:- Pumping bilge water

Gear Pump:- Pumping oil, Pumping lube oil for auxiliary engine.

Screw Pumps:- Pumping Lube oil for main engine,pumping Fuel oil pumping sludge.

Centrifugal Pump:- Ballast System, Cooling water system,Cargo oil in tanker

For positive displacement Pump:-Open both suction and discharge valve, oil level in gear case (in case of reciprocating pump),turn the pump by hand to check freeness,main switch on.

For Centrifugal Pump :- Open suction valve,close discharge Valve, turn the pump to check freenas,make sure the pump chamber is full with the liquid, Discharge valve to be opened slowly when discharge pressure is Steady.

Suction and Discharge pressure, motor load, motor temperature, any leakage, Abnormal noise of vibration.

filtration, purification by the gravity in the settling tank, purification

To allow water and sludge settle down before purification.

Expansion tank is also known as header tank connected with diesel engine cooling water system. Purpose - it provides water when water level in the jacket cooling water is less that is why it is also called water makeup tank.

It compresses atmospheric air to higher pressure.

1.Starting main and Auxiliary diesel engine

2.Operation of some machines and Tools

3. Blowing ship whistle

4. Pneumatic Control System

5. Cleaning different parts

6. Charging hydrophore system

Cock - it is used for blowing through gauge glass in a boiler.

Drain- used to drain oil and water in air bottles.

Fusible plug- when the air bottle rises….

Relief valve- it releases excess pressure.

Manhole door- for internal inspection and repair of different purposes of the job.

1.Drain oil & water from Air Bottle 2.) secure the flexible pipe properly and hold the pipe end firmly 3.) open the correct pressure valve slowly 4.) Direct the air to part only for cleaning 5.) Never direct the Air to any person or parts. any other

1. Check the lube oil level in crankcase is normal.

2. Check the filling valve of the air bottle is open.

3. Check Compressor discharge valve is open.

4. Check Cooling water valves are open.

5. Turn the compressor to see it is free.

6. Open H.P and L.P drain valve.

7. Check the main Power switch is on position.

8.Now the compressor is ready for starting

1. Check Lube oil Level in crankcase is normal.

2. Check Lube oil pressure is normal.

3. Check air bottle pressure gauge if it is increasing

4. Check HP and LP stage pressure are normal.

5. Check the temperature of cooling water and discharge air are normal.

6. Check compressor is taking normal load.

7. Check Unloader operates as per timer.

8. Check no abnormal noise and vibration.

9. Check the motor temperature. 10. Check for air and water leakage.

It generates and distribute steam

1.Steam stop valve 2.water feed check valve

3.Steam pressure gauge

4.Two water level gauge glass

5.Two Safety valves

6.Air vent valve

7.Man hole door.

8.Blow off Valve Cock

1.Oil fired boiler

2.Exhaust gas boiler

1.For heating heavy fuel oil in storage tank,for heating heavy oil in settling tank.

2.For heating heavy fuel oil for main Engine

3.For heating heavy oil & lube oil for purification

4.For heating domestic fresh water

5.For heating accomodation in cold climate

1 Steam pressure 2:water level in both gauge glass fuel oil pressure and temperature 4 flame condition

By blowing through

economiser is act as heat exchanger use as preheater it preheat water which has to be feed in boiler

1.Clean & Check water and Steam space

2.Verhouding of all mountings 3 Rectify defects in safety or Automation systems. 4 Rectify Steam & water Leakage from any pipe joints.

Compressor , evaporator, condenser

1.Suction pressure

2.Discharge pressure.

3.Lube oil pressure

4.Lube Level

5.All rooms' temperature.

6.Motor Load..

2 stroke Engine:-When one complete revolution of Crankshaft to complete one Power Stroke. In this Suction,Compression, power and Exhaust these four Strokes are Completed in One Revolution 4 Stroke Engine:-When two complete revolutions of Crankshaft to get one Power Stroke. In this Suction,Compression, power and Exhaust these four Strokes are Completed in two Revolutions.

1.Cylinder Head

2.Cylinder Block

3.Bed plate

4.Crankshaft

5.CamShaft

6.Gear pump

7.Main gallery pipe

8.Inlet valve

9.Exhaust valve 10.Relief Valve 11.Air Starting valve 12.Indicator valve 13.Fuel oil value 14.Piston 15. Piston Rod

1) Relief Valve 2.) Crankcase Relief door 3) over speed trip. 4) oil mist detector.5) Lube oil Low pressure trip.

The movement of a piston from TDC to BDC or BDC to TDC is called the stroke of a piston.

Main Engine - It turns the propeller to move a ship Ahead or Astern. Auxiliary Diesel Engine - It turns the alternator to generate electricity.

Four Strokes of Diesel engine are

Suction stroke

Compression stroke

Power stroke

Exhaust stroke.

Start Pre-lubricating pump

Check the lube oil level in crankcase

Check Fuel oil level in service tank

Open all system valve

Open indicator valve

Open air starting value

Turn the engine to check freeness

Check Lube oil level and pressure

check cooling water level and temperature

Check fuel oil level and temperatur

Check lube oil in turbocharger

Check any leakage

Any abnormal sound and vibration

Check exhaust gas temperature

Reduce friction between sliding parts

Prevents corrosion

Reduce temperature

Insure smooth operation

It increase the friction between sliding parts

Increase temperature of sliding parts

Bearing will be damaged

Not smooth operation will be carried out

It will cause

Pressure drop

Increase friction between sliding parts

Increase temperature

Rotating parts will get overheated and engine may be seized

Splash lubrication

Force feed lubrication

Grease cup lubrication

Recirculation

Grease:-Grease is semi-solid lubricants made by blending oil and Special type of soap. Grease gun:- It is a gun used for greasing Lubrication purposes.. Types

Manual types

Pneumatic types Grease nipples:- It is a non-return ball valve used for greasing.

It supplies charged air to the engine so that the engine can burn more fuel to generate more power.

It supplies charge air to the diesel engine So, that engine can burn more fuel to generate more power.

It increases the efficiency of the engine.

Air starting valve

Fuel injector

Indicator valve

Inlet valve

Exhaust valve

Relief valve

Rocker arm

Valve spring

Valve stem

It converts rotary motion to reciprocating motion.

It controls opening and closing of the inlet and exhaust valves

To reduce friction between liner and piston ring.

To neutralise the _ liner due to combustion gas.

To form an insulating oil film between liner and hot gas.

Overhauling of all mounting on the cylinder head.

Clean lube oil filter, fuel oil filter

Clean all piston rings

To Prevent from Rusting and also to give to give it a beautiful look. Types: Alkyd, Bituminous, Chrorinated Rubber, Efory. Antifouling, Boot toppling

It adheres to the surface, prevents corrosion and also provides a good base for under coats.

Red Oxide

Zinc chromate

Red lead

Needle gun

Pneumatic wire brush

Disc grinder

Chipping hammer

Wear proper PPE with safety goggles, face mask, hand gloves.

Remove all loose metal chips and rust with chipping chipping tools and wire brush.

Blow through all dust and rust

Clean oil and grease from the surface.

Wash the surface with clean fresh water and make the surface dry.

Now the surface is ready

Sagging

Blistining

Holiday

Peeling

Cracking

Chemicals are used in :

Diesel Engine Cooling water treatment

Boiter water treatment

Fuel oil treatment

Sewage treatment.

Cleaning different parts.

Used in paint.

Fill fire extinguisher.

2.Precautions while handling Chemicals.

1.Wear full sleeve boiler suit with apron

2.Chemicals proof/resistance google

3. Latex rubber gloves

4.Face mask

3.What are the special personal protective gear while handling chemicals.? 1.Wear full sleeve boiler Suit with apron

2.Chemical proof goggles

3.Latex rubber gloves

4.Face Mask 4..Where will you store chemicals ? 1.In a well ventilated separate room with good light

2.There should be fire fighting arra

5.What will be your first action if chemical falls in your eyes? Thoroughly wash the eyes with plenty of Clean fresh water for some times

6.What will you check while taking rounds in Steering compartment? Check oil level in a tank.

An emergency is a grave situation which poses an immediate risk to life, health, property and environment.

Fire or risk of fire,Black out (Generator failure), Main Engine failure Major oil spillage, Flooding of E/R,Major accident, Explosion (Engine Crank Care, Boiler back

1.Machinery alarms

2.General emergency alarm

3.Co2 flooding alarm

4.Fire alarm

This means sound and light signals

5.Action on hearing Fire Alarm, Machinery Alarm, CO2 Alarm.

Fire alarm:- on hearing fire alarm all crew (Except the waterkeeper) should report to the Muster Station.

Machinery failure alarm:-Identify the machine and Reason for Alarm Inform the duty Engineer, Rectify the fault

CO₂ flooding Alarm:-Immediately leave the E/R Run alway through the Emergency escape route and Report to Muster Station

There are five classes of fire

1.A class fire

2. B class fire

3.C class fire

4.D class fire

5.F/K class fire

1.Heat

2.Fuel

3.O2

1.Heat

2.Fuel

3.O2 4.Chain reaction

Portable fire extinguisher → It is used for Small fires. → Its max weight = 28 kg. →One person should be able to carry it. Non portable fire extinguisher →It is used for a large fire. → One Person Can't able to carry it. →It is carried with a Wheel system.

Maximum weight of a Portable fire extinguisher is 23 kg.

It is used to extinguish small fire.

1.water type

2.CO₂ 3.Mechanical foam

4.Dcp

5.Wet Chemical

1.CO₂ type fire extinguisher

2.Mechanical foam type

3.DCP type

1.CO₂ flooding

2.Water hypermist

3.High expansion foam

4.Mechanical foam

Automatically by fire detector

Fire alarm is activated

1.Automatically by fire detectors

2.Manually with push switch 13..What are the different methods of raising fire alarms? 1.Automatically by fire detectors

2.Manually with push switch

3. Walkie-talkies, Telephone, P.A system

4.By raising voice fire-fire-fire 14.What type of extinguisher will you use for: A-class fire–Water type fire extinguisher, B-Class Fire–Mechanical foam, C-Class fire–Co2 or DCP, D-class fire–Dry power, F/K-Class Fire–Wet chemical 15.What actions will you take if the motor of a running pump catches Fire? 1.Raise the alarm

2.Stop the pump

3. Close the nearby fire damper.

4.Extinguish the fire by CO₂ or Dcp 16.How many fire Pumps are there in the Engine Room of a cargo Ship? 2 fire Pumps in E/R. 17.What is an Emergency Fire pump? Where is its location? How did it start? Emergency fire is a pump used to Extinguish fire When mainfire pump fails.

Location:-outside the ElR in separate Compartment

Started:-usually started with small diesel Engine 18.Identification of different types of Fire extinguishers, Fire Hydrant, Fire Hose with Nozzles, Smoke & Flame Detector. Book 19.State name of the items fitted with the fireman's outfit.

1.Fireman's suit

2.SCBA Set

3.Rigid helmet

4.Fire Proof Rubber boots

5.Fireproof lifeline

6.Fire axe (electrical Insulated)

7.Gloves(waterproof and electrical Insulated)8.Safety light 9.walkie-talkie 20.What is international shore coupling? This is universal Coupling of some Size in all the ships throughout the world above 500 GRT. It is used to take fire main Supply from another Ship or Shore to extinguished mayor fire which own go ship's fire fighting equipment dead.

Inner metallic core which conducts electric current is called conductor in a cable. The outer covering which doesn't conduct electric current is called an insulator.

1.It prevent the leakage of current

2.Electric shock

3.Fire

4.Loss of life and property

1.MCB(Miniature Circuit Breaker)

2.Fuse

3.Earth fold detector

4.Over load trip

Emergency generators provide electricity in case of main generator failure.

It is fitted outside the engine room In separate compartment.

It gives supply to

1.Emergency light

2.Communication

3.Navigational light

4.Alarm System

5.Fire detectors

Buttery gives electric power to all generators including emergency generator failure. It give supply

1.Emergency light

2.Communication

3.Navigational light

4.Alarm System

5.Fire detectors

1.Raise the alarm

2.Stop the machine

3.Close the near by fire dumper

4. Extinguish fire with CO2 or DCP.

1.Stop the machine

2.Switch off the main supply

3.Take out the fuse

4.Check once again fuse with tester circuit is dead

5.Put a warning notice on the main switch

6.Remove the safety guard

7.Use insulated and current type of tools

8. Most take work permit for high voltage job.

1.Switch off the main supply

2.Disconnect the person with insulation metrial

3.Place him in comfortable position

4.Apply artificial respiration if required

5.Send some body to call a doctor

1.Switch off the main supply

2.Take out the fuse

3.Check once again fuse with tester the no electric supply

1.Emergency generator

2. Battery system

Motor consume electricity

Generator produce electricity

Electricity can be produce by

1.Auxiliary engine

2.Emergency generator

3.Shaft generator

4.Turbo alternator

5.Battery system

1.Flame proof boiler suit with apron(lather).

2. Safety helmet

3. Eye protective shield

4. Lather gloves

5. Safety shoes

6. Aram guard

There are two types of welding

1.Electric arc welding

2.Gas welding

1.Electric step down transformer

2.Electric welding cable

3.Earth clamp

4. Electrode holder

5. Electrode

6.Wire brush

7. Chipping hammer

1.Oxygen cylinder

2. Acetylene cylinder

3. Pressure gauge

4. Pressure regulator

5. Gas welding torch

6. Gas welding pipe

7. Filler rod

8. Chipping hammer

9. Wire brush 10. Spark light

The arc length should be equal to the diameter of the electrode.

1. Flat Bead

2. Loose Penetration

3. Coarse Splatter

1. Uncontrolled penetration slag

2. Electrode stuck to the weld plate

1. Select the electrode size

2.Current required for the size of electrode

9. The welding Transformer increases or decreases the electric current? It always increase at the secondary side. 10. Dimension of the cable of the earth clamp should be equal to the dimension with what other cable? Arc welding cable 11. Why are electrodes kept in dryers? To kept electrodes dry and prevent oxidation. 12. What safety precautions you will take before commencing welding. For Arc welding

1.Wear proper PPE.

2.Most take a hot work permit.

3.Check any leakage in arc welding cable

4.Connect one end of earth clamp to weld plate and other end to power source

5.Keep fire extinguisher nearby.

6.Welding area should be free from flammable items. For Gas welding

1.Wear proper PPE.

2.Most take a hot work permit.

3.Check gas welding pipe leakage or not

4.Check pressure gauge and regulator in working condition

5.Keep fire extinguisher nearby.

6.Welding area should be free from flammable items 13. How will you recognise the gas cutting torch and gas Welding Torch? Gas cutting torch

1.It has two pipes(1)For oxygen(2) Oxygen and Acetylene mixture

2.It has a leaver to control oxygen

3.It has multiple holes at the tip. For Gas welding torch

1.It has a single pipe with only one hole at the tip. 14.What gas is used in gas welding? Oxygen and Acetylene .

1.Wear proper PPE safety helmet, safety goggles, tight and dry boiler suit

2. Don't put the chuck key on a chuck

3. Jaw should be proper centering

4. Cutting tools should be proper grinded and centering

1.Lathe machine

2.Grinding machine

3. Electric arc welding machine

4.Gas welding machine

5. Drill machine

6.Bending machine

To avoid personal injury from touching the rotating parts.

1.Stop the machine

2.Switch off the main supply

3.Take out the fuse

4.Check again with tester circuit is dead

5.Put a warning notice on the main switch

6.Remove the safety guard.

1.Check no tools left on machine

2.Replace the safety guard

3.Check if lubrication is needed

4.Remove warning notice

5.Turn the machine to check it is free or not

6.Switch on the electric power

Do

1.Ask if any doubt

2.Use current tools and equipment

3.Keep tools and equipment at good place when it is not use

4.Take care tools and equipment

5.Know the location of nearest fire extinguisher and how to use

6.Keep exit fire door all the times. Don'ts

1.Don't run in the workshop

2.Don't throw tools anywhere

3. Don't touch any equipment without knowledge

4. Don't leave your running machine when required

5. Don't give first aid in injury without knowledge

1.Safety guard

2. Emergency off switch

3.Isolator

4.Locking mechanism

Assit ship engneer in routien maintaince and repair work - lubrication moving parts -cleaning parts ,machinery spaces -operate & maintain pumps and valve - watchkeeping( checking parameters-temprature,presssure, level,abnormalties) -painting -lookafter ER stores and spares

where machinery are fitted or kept.

a group of machinery that support ship operations. (boiler, air compressor,fuel oil & lube oil system,cooling system, sewage system)

Engine is a machine that convert any energy in to mechnical energy.

A group of components assmebled together for achieving mechenical out come.

Two stroke- Main Engine- for ship movement or Prupulsion Four Stroke- Auxiliary Engine-For Generate Electricity on ship

Engine Room- main engine,auxilary engine,valve,pumps,boiler,incinarator,sewage plant, purifier Workshop- lathe machine, pedestal & hand drill machine, bench grinder, bending machine, welding machine

Emergengcy fire pump - emergency generator - fire detection system - fire extinghuishers(fix and portable type)

It is A short route that use in emergency situtaion for escape immedietly.

Hand Tools,mesuring tools,cutting. Hammers- ball pien, straight pien, cross pien,soft,mallet, sledge, chipping, claw (hammer are use for striking,shape,adjust,removing work piece and parts) Chisels- Flat, dimond point, cross cut, round nose, side cut (chisel are use for cutting and chipping of metal piece) Screw Driver- Flat, Philip, Stubby,Insulated,tester (use for tighten and loosen screws) File- Flat(Basterd,second cut, fine Cut), Round, half round, tringular, square,needel. (use for removing extra meterial) Hacksaw- Fix & adjustable(forward Teeth),Hand, power, pipe cutter, hole saw (hacksaw use for cutting metal rods pipe, tube, cables) Punches-Hole,number, letter, center (for marking out locating center ) Vice-bench, pipe, drill vice (for holding work piece and pipesor tubes) Spanner- Open ended(single & double ended) Ring Spanner( double ended,normal,special duty) combination(one side open one side ring Spanner) adjustable(hook spanner) Heavy duty spanner(slogging spanner) Socket Spanner(sockets,extension, couplings- universal joints, ratchet drive) Pipe wrench Allen key Plier- Combination, round nose, flat nose, snipe nose, circlip,insulated, multi grip (holding workpiece , gripping, pulling, turning small parts,twisting,pulling) lifting tackles & device -eye bolt, wire slings, shackle, chains, hooks, pullys blocks,chain blocks, ratchet blockes, cranes (lifting device are used for lifting and moving heavy objects) Mesuring tools-tri squre,callipers, varnier, micro meter, steel scale , sounding tape, mesuring tapes, feeler gauge, thread gauges Taps & Die - Taps( tapper, plug, bottoming with tap handle), die sets(Die and Ratchet handle) (taps are use for making internal threads, Die are used for Outer Threads)

Tools are clean oil and grease free, properly fitted & holded During use,use wright tools,

check lifting gear is swl is enough for objects - check condintion of lifting device will be proper lubricated, and chains are grease free - make fast hook and slings proper

Pressure- Kg/Cm2 OR BAR Temprature- Degree(0) celcius or centigrade level -meter and centimeters(cm,m,mm) Tank Contents-cubic meter or liters(m3,1,tonnes) weight-Kg distance-Nautical Mile Ship speed- Knot Current-A(ampere) Voltage-V(volt) Power-W,KW(watt or kilo watt) Frequency-Hz(hertz) Revolutions-RPM(revolution Per minutes)

Thermo meter- pocket(vertical),scoope,pyro,infrared Pressure gauge- Pressure,compound, vaccume gauge Electric indicator- Ammeter , voltmeter, power meter level gauge-gauge glass(tublar,reflection,bicolour typ),sight glass,dip stick

Valves & pumps Purifiers boiler Air compressor Auxiliary generators Fresh water generator sewage treatment plant Air condition hydrophore ER ventilation Incinator Cargo handling Gear

valves are use for control flow of all liquids and air .

Globe Valve(screw Type stop and non return)-steam,air,water,oil Gate Valve-ballast line,cargo line, Sea water line, bunker line butterfly valve- deck line,over board discharge Strom valve- accomodation over board discharge cock valve-cargo line on chemical and oil tankers Check valve(flow in one direction)- Overboard discharge,feed valve in boiler Spring Loaded- Safety valve, relief valve solenoid valve- Automatic electric operated -water or oil line

Hand wheel, spindle,stuffing box, valve cover, valve disk, valve seat, casing

hand wheel,yoke,yoke bush,gland, gland bolt,bonnet,gland packing,stem, seat,body,flange stem nut,disk,disk

Reciprocating Pump(PIston Type)- Bilge pump Gear Pump-Fuel oil and lube oil purpose Screw Pump- main engine lubrication & fueloil transfer Centrifugal Pump - Sea water And Fresh water circulation,cargo pump on tanker

priming is a process for removing air from Pump System(Centrifugal Pump).

check Pressure,load(motor AMP), vibration, Leakage from gland or seals, temprature of motor

joints gasket and packings are used for prevent leakeges from between two parts like pipe flange,valve cover,valve body,cylinder head etc,

Rubber,copressed sheet, cork, felt, sponge, plastic,thermal meterial

oil is use for As Fuel- diesel, low sulpher fuel oil, heavy fuel oil As Lubrication- ME, AE, Compressor, purifiers As power Transmission- hydraulic operation, crane operation, mooring winch,windlass As Heating mediumQ. type of filter use on board filter are used for fuel and lube oil cleaning Strainer - for removing large solid particals Auto clean filter- for removing solid particle by self cleaning fetures Centrifugal purifier-for removing tiny solid particale,water, sludge

fresh water generator are used for generate fresh water from sea water by evaporation. benefits- more cargo space -saving money from buying cost of water - available quality water supply for drinking, cooking, boiler feed, cooling water for ME

it is used for domestic water supply by pressurize tanks.

Boiler is used for steam generation,and steam use for fuel oil heating, oil purification, domestic air and water heating, cargo heating on oil tanker. Type of tanker1.water tube type- high pressure 2. smoke tube type-Low pressure

2safety valve - 2 gauge glass - steam stop valve -feed check valve - pressure gauge - blow off cock - man hole door

Water level in boiler and hot well - steam pressure - leakegs from joints - feed pump operation

it is management of wate materials according to MARPOL Rules. Red- Plastic waste (land it shore) Green- Food Waste Yellow - incinrator ashes (land it shore) Blue- Operational waste(land it Shore) Orange- cooking oil (incinarate or land it shore) gray--Domestic waste (incinarate or land it shore) Brown- cargo residue

OWS remove oil traces from bilge water. it is important machine according MARPOL rule . water discharge allow automaticaly by monitor system if Oil content below 15PPM

it is system fitted onboard according MARPOL Rule for treat and discharge of human waste. it have 3 chamber-aeration chamber, settling chamber, clorination chamber

Composition -Pigment, vehicle, drier, primer Benefitts- Prevent from corrosion, direct contact with atmosphere,less repair

After chipping, removing rust and scale clean and wipeoff dirt, graese and oil by cotton cloth.

Alkyd paint- Super Stucter, internal deck,bulkheads Bituminous paint- Chain locker Chlorinated rubber Paint- Decks, ship side Epoxy Paint- Decks ,Ship Side(very costly and Long lasting)-binder and hardener Polyurethane Paints- suitable for tanks on chemical tanker Anti fouling Paints- Ships bottom (before dry dock flooding)

HTV - hand Transmited Vibrator Needle gun- use for removing rust using multiple needle penumatic wire brush Electrical chipping machine Brushes- Flat,Angled,Stencil,Roller Spray Gun-external mix type, internal mix type Respirators

Holidays- small patches left during painting sagging- paint flow down cracking- top coat fractures peeling- poor adhesion of paint blistering- small blisters under paint surface slow drying- due to grease or dirty surface crawling- due to oily or grase surface

Dry Dock is the repair or service yard for ships.

Under water cleaning,grit blasting and painting Repair and surveys of hull and machinery inspection of rudder,propeller and thrusters,speed log ,echo sounder changing anodes end to end change and painting of anchor chain

lock nut,hex plain, slotted, castel,flanged,butter fly etc.

plain, helical spring, toothed lock washers.

Cotter pin, dowel pin, spring locking, quick lock,clevis pin, tapper, grooved pins, flat metal locks.

Snap ring - internal and external

square or rectunglar key, woodruff key

bearing pullar is used for removing bearings , drives, couplings from shafts. it is two types- two legs and three legs type.

it is use for removing broken studs or bolt , first mark center by center punch and make a hole by drill on broken stud or bolt then remove stud extractor.

Main Engine - 2 stroke type,- for Propulsion or movement of vessel Auxilary Engine-4 stroke Type- use for Produce electricity

Temprature- Exhaust,cooling water,lubrication oil,fuel oil Pressure- lube oil, cooling water, fuel oil Levels- lube oil sump, turbo charger oil, cooling water expansion tank, fuel oil service tank Abnormalities- noise, leakeges of water, oil , Air

Cylinder head, Fuel injector, air starting valve, exhaust valve, relief valve, cylinder liner, Piston, Piston Rod, Stuffing Box, Cross head, Connecting rod, crank shaft, bottom end bearing, bed plate, crank case , crank case relief valve, Turbo charger(constant type) ,scavenge mani fold

cylinder head, rocker arm, intake valve, exhaust valve, Fuel injector, push rod, cylinder liner, piston, piston ring, gugion pin, connecting rod cam shaft, fuel pump, bottom end bearing, crank pin, crank shaft, oil sump, turbo charger (Pulse Type), exhaust mani fold

it is machine that is use for getting compressed air up to 30 bar

Air suction filter Low pressure safety valve high pressure safety valve Low pressure stage pressure gauge high pressure stage pressure gauge lube oil gauge pressure gauge discharge pressure gauge thermometer lube oil pump lube oil filter thermostate solenoied valve busting disc

check lube oil level - open discharge And air bottel filling valve - open cooling water inlet and outlet valve - check unloder are open - start motor

oil level -temprature -discharge pressure -cooling water supply - abnormalities(vibration and sound)

1. Starting Air For M/E, A/E (20-30 Bar)

2. Servive Air(7 Bar) cleaning, tools operations, gangway motor, penumatic machinery 3 controled air(7 Bar)

Filling valve, M/E Starting Supply, A/E Starting Supply, service air supply,controled air supply, Drain Valve, Pressure Gauge, Man hole door,Relief Valve, Fusible Plug.

Caliper- Inside And Outside - For Inside diameter and out side dia meter Steel Ruler- For Mesuring Length Vernier Caliper- (inside dia, out side dia , depth) Micro Meter-( Out side and inside) Depth gauge Tri Squre- 90 degree surface dividerQ. Pedestal Drill Machine Parts Base, column, table , table clamp, motor, v belt, step cone pully, drill feed lever,spindel head, spindle, chuk, drill bitt, chuck key

For Turning- Reduce The Diameter OF work Piece Facing- Reduce the Length of work Piece Knurling- Making Grip on rod Parting- Cutting in two parts Threading- Thread Making Drilling- Making Axile hole in ciculer rod Boring- enlarging the axile hole dia Chamfring- removing sharp edge

Motor, Fly Wheel, V belt,Engage and disengage lever, step cone pully, fly wheel gaurd , gear box, reverse & forward switch, head stock, spindel sleeve,driver plate, three jaw chuck, live center, carriege, tool post, compound rest, thread dial indicator, cross feed lever, half nut lever, handwheel, apron,lead screw, feed rod, dead center, tail stock , bed, set over screw,chip tray ,

Use Proper PPE ( safety Goggels) never use Hand Gloves , proper Centring work of workpice (no bubbling), tight tool, correct position of tool

welding is a fabrication process that joining meterials causing fusion or melting the meterial. Welding type - Arc welding, gas welding,fusion welding safety precaution- PPE( Flame proof Boiler Suit, Spat, Leather Apron, Leather gloves, welding Helmet(60X110M)

Electrod holder, electrod,welding cable, earth clamp, electrode dry case, welding machine,

Gas Welding- welding torch, pressuregauge and regulator, oxygen and acytelen tube, flash back arrestor,oxygen and acytilin cylinder, spark lighter, appretus wrench Gas Cutting- torch, pressure gauge and regulator, oxygen and LPG, flash back arrestor,oxygen and acytilin cylinder, spark lighter, appretus wrench

lubrication is use for reduce friction between two moving parts. Lubricants are used in lubrication process(oil,grease,)

Splash LUbrication - Crank case re circulatory system- cylinder, turbo charger, Bath type drip feed Mist type grease cup,grease gun

Dip stick, sounding rod,sounding tape, level gauge, sight glass, remote level indicators.

lagging is insulagting material wrapped around pipes,tanks to prevent heat loss. Insulation Material- Glasswool, rock wool, shredded paperm plaster of paris, cement bricks

Chemical Type- Alkalies,mildacid, chemical compound Chemical use on board- 1. changing and controlling properties of cooling water of disel engine 2.changing and controlling properties of boiler water 3. fuel treatment, cleaning parts, fuel treatment 4. fire extinghiusher 5.paints

Risk Involved- splash on body, toxic fumes, fire by chemical reaction precaution- understand risk involved in chemical, first Aid as per MSDS, use proper content. prevent contact, proper handling, Important PPE- LATEX gloves,apron, goggles, face mask

Material Safety Data sheet is a written information about chemical type, precaution,First Aid

steering gear is a system that turns rudder for stear vessel, parts of steering gear parts- Power Unit(Pump,Pipes, valves, Hydraulic oil) Acutating Unit( Rams,tiller, rudder stock) Control unit( transmiter, reciver, feedback) On bridge parts- steering wheel, transmiter, rudder angel indicator

tank is a compartment where all liquids are stored. types of tank on board- fuel oil tank ( storage, settling, service) diesel tank( settling service) ME Cylinder oil tank ME crank case oil tank boiler feed tank fresh water tank ballast tank

filling connection, air vent, outlet valve, man hole door, sounding pipe, overflow line, drain valve

Emergency is a situations that need imediate action it can cause Life threat, property loss, pollution

1. Fire

2.Blackout 3.machinery failuer 4. injury 5. flooding 6. grounding

8.Explosion

Fire alarm, machine failuer, general alarm, co2 alarm