SOME FREQ. ASKING QNS WITH ANSWERS COMPONENT WISE

WHAT DO YOU MEAN BY PRIMING OF PUMPS?

Ø  THE PUMP SHOULD BE FULL OF LIQUID BETWEEN SUCTION VALVE AND DESACHRGE VALVE AND ANY AIR IN THE PUMP SHOULD BE PURGED THROUGH VENTING PUMP

WHAT IS AN EDUCTOR? WHAT IS IT’S USE ONBOARD?

Ø  AN EDUCTOR IS A NON MECHANICAL PUMP WHICH CONSISTS OF WATER JETS SUPPLIED FROM SOME HIGH PRESSURED PUMP DISCHARGING INTO SUCTION CHAMBER WHICHN IS CONNECTED TO A SUCTION LINE.THE HIGH PRESSURE JET DISCHARGED FROM THE NOZZLE ENTRANCE

WHAT ARE THE CLASSES OF FIRE?

Ø  CLASS A-CARBONACEOUS MATERIALS(WOOD,PAPER,ETC)

            CLASS B -LIQUID FIRE,OIL FIRE

            CLASS C-GASEOUS FIRE,ELECTRICAL FIRE

            CLASS D-METALLIC FIRE(MAGNESIUM, POTASSIUM)

WHAT ARE THE CAUSES OF FIRE IN E/R?

Ø  FREE AIR FLAMMABLE MATERIALS ARE REDILY AVAILABLE IN THE E/R ONLY HEAT IS REQURED WHICH CAN BE GENERATED BY

        i.            ELECTRIC SPARK

      ii.            LEAKAGE OF EXHAUST GASES

    iii.            SPONTANEOUS COMBUSTION

    iv.            FRICTION(OVERHEATING OF MOVING PARTS)

      v.            RADIATIONS(VALVE,HOT PIPE)

    vi.            PORTABLE LIGHTS

  vii.            HOT WORKS SUCH AS WELDING,GRINDING,DRILLING,CUTTING,ETC(FLAMMABLE SIBSTANCES SUCH AS L.O.F.O,E/R WASTE,OIL FUMES,PAINTS ETC)

WHAT CLASSES OF FIRE MAY OCCUR IN E/R?

Ø  CLASS B AND CLASS C FIRES.

WHAT ACTION WILL YOU TAKE INCASE OF FIRE IN THE E/R?

Ø  DUTY ENGINEER,NFORM BRIDGE AND RUN TO THE FIRE STATION IF FIRE IS UNCONTROLABLE

            IF SMALL FIRE EXTINGUISH FORE WITH APPROPRIATE FIRE EXTINGUISHER

WHERE AREFIRE HOSES LOCATED IN THE E/R?

Ø  ON THE BOTTOM PLATFORM 2 NOS(ONE PORT SIDE-ONE STBD SIDE),INFIRE HOSE BOXES NEAR THE FIRE HYDRANT AND ONE ON TOP PLATFORM AS FITTED AS PER SHIP’S FIRE PLAN

WHAT IS INTERNATIONAL SHORE COUPLING?

Ø  IT IS A COUPLING THAT MATCH WITH ANY SHORE CONNECTION WHEN THE SHIP IS IN ANY PORT/DRY DOCK TO LAKE SHOR WATER SUPPLY AND CONNECT IT TO SHIOP’S FIRE LINE

WHEN EILL YOU USE CO ₂ EXTINGUISHER IN E/R?

Ø  WHEN THERE IS AN ELECTRICAL FIRE IN THE E/R

WHEN DO WE USE FIXED FIRE FIGHTING APPLIANCE?

Ø  WHEN FIRE CANNOT BE PUT OFF WITH PORTABLE EXTINGUISHERS WHEN CO ₂ FLOODING IS OPERATED .

WHO OPERATES FIXED FIRE FIGHTING APPLIANCE?

Ø  CHIEF ENGINEER IS SOLELY RESPONSIBLE AND IT IS HE WHO DECIDES TO USE THE CO₂ FLODING SYSTEM.

WHAT DO YOU MEAN BY CO2 SYSTEM/

Ø  CO2 SYSTEM IS AFIXED FIRE FIGHTING SYSTEM USED IN CASE OF MAJOR FIRE AND IT IS MEANT TO FLOOD THE ENGINE ROOM IN ONE SHORT AFTER THE ENGINE ROOM PERSONNEL ARE OUTAND ALLTHE VENTALLATION AND OPENINGS ARE SEALED.

HOW WILL YOU FIGHT THE ELECTRICAL FIRE IN THE ENGINE ROOM?

Ø  SHUT OFF SUPPLY TO THE CIRCUIT AND FIGHT FIRE WITH PORTABLE D.C.P CO2 CYLINDER.

WHEN WILL YOU USE WATER TYPE EXTINGUISHER?

Ø  ON ‘A’ CLASS FIRE.

WHAT IS A SMOKE HELMET ? WHEN WILL YOU USE IT?

Ø  IT IS A FIRE PROOF HELMET WITH LIGHTING ARRANGEMENT AND IT IS USED TO FIGHT FIRE IN A SMOKY ATMOSPHERE.

WHEN WILL YOU USE A D.C.P EXTINGUISHER?

Ø  TO BE USED ON CLASS A, CLASS C AND ELECTRICAL FIRE.

WHAT ARE THE SOURCES OF ELECTRICITY ON BOARD?

Ø  MAIN GENERATOR, EMERGENCY GENERATOR AND BATTERY PACK.

  DEFINE CONDUCTOR?

Ø  SUBSTANCES WHICH ALLOW THE FLOW OF CURRENT THROUGH IT.

DEFINE INSULATORS?

Ø  SUBSTANCES WHICH DOES NOT ALLOW THE FLOW OF ELECTRICITY THROUGH IT. Eg- RUBBER , MICA, PAPER, WOOD ETC.

WHAT IS IMPORTANCE OF EMERGENCY GENERATOR ON BOARD AND WHERE IT IS FITTED?

Ø  IN THE EVENT OF MAIN GENERATOR FAILURE/ BLACK OUT, EMERGENCY GENERATOR CAUSES LOAD AUTOMATICALLY AND GIVES ESSENTIAL SUPPLY FOR NAVIGATIONAL EQUIPMENTS, LIGHTING. IT IS SITUATED OUTSIDE THE E/R.

STATE VARIOUS DANGERS ASSOCIATION WITH ELECTRICAL INSTALLATIONS?

Ø  SHORT CIRCUIT – DUE TO LOOSE CONNECTIONS AND OVER HEATING.               SINGLE PHASING- DUE TO OVER LOADING,IMPROPER USING, IMPROPER EARTHING,IMPROPER MCB, LOOSE CONNECTIONS.

STATE THE USES OF BATTERY ON BOARD?

SUPPLY POWER TO:-

a.       START EMERGENCY GENERATOR

b.      FOR EMERGENCY GENERATOR

c.       NAVIGATIONAL EQUIPMENTS AND LIGHTING

d.      ALARMS

e.       COMMUNICATION/GMDSS.

STATE THE USES OF MULTIMETER?

Ø  TO MEASURE VOLTAGE, CURRENT, RESISITANCE, TO FIND OUT SHORT CIRCUIT, OPEN CIRCUIT ETC.

WHAT ACTION WILL YOU TAKE IN CASE OF FIRE IN ELECTRICAL APPLIANCE?

Ø  SWITCH OFF SUPPLY, DISCONNECT FROM SOCKET AND PUT OFF FIRE WITH D.C.P CO2 EXTINGUISHER.

                                                       

                                                                    COMPRESSORS.

WHAT IS THE USE OF AIR COMPRESSOR?

Ø  TO COMPOSE ATMOSPHERE AIR INTO THE AIR RECEIVER TO A PRESSURE OF 25-30 BAR.

WHAT TYPE OF COMPRESSOR IS USED ON BOARD TO PRODUCE COMPRESSED AIR?

Ø  A MULTI STAGE RECIPROCATING COMPRESSOR WHICH IS WATER COOLED WITH STAGE COOLER.

WHAT CHECKS WILL YOU CARRY OUT BEFORE STARTING A COMPRESSOR/

Ø  CHECK LO SUMP LEVEL, FILLING V/V,COMPRESSOR OUTLET V/V, COOLING V/V O[EN, STAGE DRAIN V/V OPEN, NO OBSTUCTION IN WAY OF COMPRESSOR START, CHECK AIR FILTER.

WHERE DO WE STORE COMPRESSED AIR?

Ø  AIR IS STORED IN AIR BOTTLE.

NAME DIFFEREJNT COMPONENTS OF AIR COMPRESSOR?

Ø  AIR FILTER, SUCTION AND DISCHARGE VALVES OF BOTH STAGES, STAGE INTER COOLER, LP-HP CYLINDERS, CYLINDER BLOCK, RELIEF VALVE OF BOTH STAGES, CRANK SHAFT, LO PUMP, CW PUMP, COMPRESSOR DRIVER, LP-HP PISTON ASSEMBLY, COOLER VALVES.

WHAT PRECAUTION WILL YOU TAKE WHILE WORKING WITH COMPESSED AIR?\

Ø  PRESSURE TO BE NOT MORE THAN THAT REQUIRE DFOR THE JOB, DO NOT DIRECT COMPRESSED AIR TO THE PERSON. AIR VALVES TO BE CRACKED OPEN FULLY BEFORE OPENING FULLY. AIR BOTTLE TO BE DRAINESD AT REGULAR INTERVAL. NEVER TEMPER WITH SETTING OF ANY SAFETY DEVICES. DRAIN OF INTER COOLER TO BE DRAINED REGULARLY. STOP LEAKAGE OF COMPRESSED AIR BY CLOSING NEAREST VALVE.

NAME SAFETY DEVICES FITTED ON AIR COMPRESSOR/ AIR RECEIVER?

Ø  AIR COMPRESSOR- STAGE RELIEF VALVES, CRANK CASE EXPLOSION DOORS, BURSTING DISE, INTER COOLER/ COOLING WATER.

AIR RECEIVER- RELIEF VALVE, ATMOSPHERE AIR RELEASE VALVE, DRAIN VALVE, FUSIBLE PPLUG WITH PIPE LEADING TO ATMOPSPHERE OUTSIDE ENGINE ROOM.

HOW IS THE AIR COMPRESSOR DRIVEN BY?

Ø  BY MOTOR OR BY ENGINE.

WHAT CHECKS WILL YOU CARRY OUT WHILE COMPRESSOR IS RUNNING?

Ø  CHEK LUBE OIL AND COOLING OIL PRESSURE, SUMP LEVEL,CLOSE AIRCOOLER STAGE DRAIN VALVES,DRAIN EACH STAGE COOLER DRAIN AND AIR BOTTLE DRAINS REGULARLY. CHECK CARNK CASEAND STAGE COOLER FOR OVER HEATS, CHECK FOR ABNORMAL  SOUNDS, CHECK AIR PRESSURE AND TEMPERATURE

WHAT IS THE USE OF DRAIN COCK ON AIR COOLER AND AIR RECEIVER?

Ø  DRAIN OUT CONDENSATE AT REGULAR INTERVALS.

REFRIGERATION AND AIR CONDITIONING

WHY DO WE REQUIRE REFRIGERATION SYSTEM ON BOARD?

Ø  FOR PRESERVATION OF VEGETABLE, MEAT AND FISH FOR LONG VOYAGES.

WHAT IS AIR CONDITIONING?

Ø  SUPPLY OF COOLED TO LIVING QUARTERS FOR PERSONAL COMFORTAND FOR PROTECTING EQUIPMENTS FROM HEAT.

NAME SOME REFRIGERANTS?

_Ø    FREON-11,12,22,503,AMMONIA,CO_2.

WHAT ARE THE TEMP MAINTAINED IN MEAT ,FISH AND VEG ROOM?

Ø  MEAT: -12^O TO-15^O C.

FISH: -15⁰ TO -18⁰ C.

Ø  VEGETABLE : 5⁰ TO 8⁰ C.

WHY THE REFRIGERANT SHOULD NOT BE RELEASED IN THE ATMOSHERE?

Ø  BECAUSE IT EFFECTS THE OZONE LAYER.

HOW WILL YOU CHECK THE OIL LEVEL IN REFRIGERANTION COMPRESSOR?

Ø  BY THE SIGHT GLASS.

WHAT IS EVAPORATOR IN REFRIGERATION SYSTEM?

Ø  IT IS THE COIL IN THE COLD ROOM TO TAKE AWAY THE HEAT FROM MEAT AND FISH AND MAINTAIN COLD ROOM TEMP.

WHAT IS THE CONDENSER IN THE REFRIGERATION SYSTEM?

Ø  IT IS THE HEAT EXCHANGER IN WHICH REFRIGERATED GAS IS CONVERTED TO LIQUID BY SEA WATER PASSING THROUGH TUBES IN THE CONDENSER/ RECEIVER.

NAME THE MAJOR COMPONENTS OF REFRIGERATION SYSTEM?

Ø  COMPRESSOR, CONDENSOR, EXPANSION VALVE AND EVAPORATOR.

WHAT ARE THE PARAMETERS YOU WILL CHECK WHILE TAKING ROUND ON REFRIGERATION SYSTEM?

Ø  CHECK SUCTION PRESSURE, DISCHAREGE PRESSURE, OIL IN THE SIGHT GLASS, DIFFERENT PRESSURE GUAGES, ROOM TEMPERATURES, CONDENSOR, SEA WATER OUTLET TEMP.

HOW DO WE CHECK LEAKAGE OF REFRIGERATION SYSTEM?

Ø  BY SOAP SOLUTION BEING APPLIED ON VARIOUS JOINTS AND VALVE GLANDS AND COMPRESSOR SHAFT SEAL OR BY HALIDE TEST LAMP WHICH WILL TURN GREEN WHEN LEAK IS OBSERVED.

                                                                                                                                       

PUMPS

WHAT IS AN EDUCTOR?

Ø  IT IS A PUMPIG MECHANISM WITH NO MOVING PARTS, USED FOR STRIPPING TANK AND PUMPING OUT HOLD BILGES.

HOW WILL YOU CLEAN THE SEA SUCTION FILTER OF MAIN SEA WATER PUMP?

Ø  SHUT MAIN SEA SUCTION V/V AND AFTER FILTER SEA VALVE. VENT FILTER COVER, REMOVE FILTER ELEMENT AND CLEAN.

WHAT IS PRIMMING?

Ø  REMOVING AIR FROM CASING AND REPLACING WITH LIQUID.

WHAT IS SUCTION HEAD AND DISCHARGE HEAD?

1.      THE HEIGHT THROUGH WHICH LIQUID CAN BE SUCKED.

2.      THE HEIGHTB TO WHICH LIQUID CAN BE DELIVERED.

WHAT ARE THE PARTS OF THE CENTRIFUGAL?

Ø  PUMP CASING, IMPELLER, SHAFT, WEAR RING, MOUTH RING, GLAND PACKING, BEARING HOUSING, BEARING, COUPLING FLANGE

WHAT IS PURIFICATION?

Ø  REMOVAL OF IMPURITIES FROM L.O , F.O AND DIESEL OIL.

WHY SHOUD F.O BE PURIFIED BEFORE USE?

Ø  TO REMOVE SLUDGE AND WATER FROM OIL AND SAVE THE FUEL PUMNPS AND VALVES FROM DAMAGE.

WHAT IS THE IMPORTANCE OF PURIFICATION OF F.O AND L.O?

Ø  TO IMPROVE ENGINE COMBUSTION, PREVENT DAMGE TO THE FUEL PUMP AND VALVE.       L.O- PURIFICATION IS TO PREVENT DAMAGE TO BEARINGS, PREVENT CORROSION, EXTEND LIFE OF ENGINE AND IMPROVE EFFICIENCY.

NAME FEW COMPONENTS OF CENTRIFUGAL PURIFIERS?

Ø  BOWL ASSEMBLY, SPINDLE ASSEMBLY, DRIVE ASSEMBLY, DISC STACK, DISTRIUTO, GRAVITY DISC.

WHAT IS A CLARIFIER?

Ø  DEVICE THAT REMOVES SOLIDS FROM LIQUIDS ( F.O & L.0)

WHAT IS THE NECESSITY OF HEATING OILS BEFORE SENDING IT TO THE PURIFIER?

REDUCES VISCOSITY AND ASSISTS SEPERATION OF SOLIDS FROM LIQUID.

WHAT SI THE DIFFERENCE BETWEEN PURIFIER AND CLARIFIER?

             PURIFIER                                                        CLARIFIER

1.      TWO OUTLETS(OIL&WATER)               1. SINGLE OUTLET ( PURIFIED OIL)    

2.      SEPARATE SOLIDS                                  2. SEPARATES SOLID FROM LIQUID.                                                                         AND WATER FROM LIQUIDS.

WHAT IS THE APPROX R.P.M THE BOWL ROTATES?

Ø  5,000 TO 8,000 R.P.M.

WHAT WILL YOU DO IF PURIFIER IS OVER FLOWING DURING YOUR WATCH?

Ø  SHUT OFF PHASE TO PURIFIER, DI SLUDGE, SUPPLY SEALING TO WATER FROM FRESH WATER SEAL AND OPEN FEED TO PURIFIER. IF OVER FLOWS CONTINUE SHUT FEED AND INFORM DUTY ENGINEER.

WHAT DO YOU UNDERSTAND BY AN AUTO DI SLUDGE PURIFIER?

Ø  A PURIFIER WHICH IS PROVIDED SLIDING BOWL FOR PROVIDING SELF CLEANING AT REGULAR INTERVAL.

HOW WILL YOU CLEAN THE MAIN ENGINE FUEL OIL LINEFILTER?

Ø  ENSURE THAT STAND BY FILTER IS PURGED, CONNECT BOTH FILTERS IN CIRCUIT, THEN ISOLATE THE FILTER TO BE CLEANEDBY MEANS OF CHANGE OVER COCK. PLACE TRAY BELOW FILTER, OPEN VENT COCKON FILTER COVER TO ENSURE PRESSURE IS RELEASED.

WATCH KEEPING AND ENGINE ROOM.

 A.PRESSURE:- IT SI THE FORCE PER UNIT AREA

B. TEMPEARTURE:- DEGREE OF HOTNESS OR COLD NESS OF A BODY.

C.HEAT:- IT IS A FORM OF ENERGY KNOWN BY ITS EFFECTS.

D.ATMOSPHERIC PRESSURE:-UNIT FORCE EXERTED BY ATMOSPHERE.              1 KG/CM² , 1.013 BAR.

E.VACUM;_ NEGATIVE PRESSURE MEASURED BY COLUMN OF MERCURY

.

E. PRESSURE GUAGE:- DEVICE USED TO MEASURE PRESSURE.

F.LEVEL GUAGE:- DEVICE USED TO MEASURE LEVEL OF LIQUID.

G.TEMPERATURE GUAGE:- IT IS USED TO MEASURE THE TEMPERATURE.

UNITS OF:-

1)      PRESSURE:- PSI, LBS/SQ INCH, KG/CM^2.

2)      TEMPERATURE :- ⁰ C, ⁰ F, ⁰ K

3)      LEVEL:- MTRS, FEET

4)      FLOW:- LTR/MIN, GALS/MIN.

WHAT IS NORMAL ATMOSHPHERIC PRESSURE?

Ø  14.7 PSI,1.013 BAROR 1 Kg/cm².

STATE THE DIFFERENT TYPES OF MEASURIONG INSTRUMENTS USED ON BOARD?

Ø  PRESSURE GUAGE, COMPOUND GUAGE, VACCUM GUAGE, FLOW ,METER, VOLT METER, AMMETER, KW METER, FREQUENCY METER, LEVEL GUAGE.

WHAT IS THE IMPORTANCE OF PRESSURE GUAGE? NAME SOME IMPORTANT PARAMETERS THAT ARE MEASURED?

Ø  PRESSURE GUAGE IS USED TO MEASURE THE PRESSURE OF LIQUID / GAS- F.O,L.O,SUC/ DEL PRESSURE, COMPRESSED AIR ETC.

WHAT IS THE IMPORTANCE OF TEMP GUAGE? NAME SOME OF THE IMP PARAMETERS MEASURED?

Ø  IT IS USED TO MEASURE THE TEMP OF A LIQUID/GAS.

MAIN ENGINE EXHAUST, M/E JCW, L.O TEMP, FRIDGE TEMP ETC.

WHAT IS THE IMPORTANCE OF LEVEL GUAGE?

Ø  TO MEASURE THE LEVEL OF A LIQUID IN TANK/ CONTAINER. USED FOR VARIUOS TANK SOUNDING, BILDGE TO SUMP LEVEL, LIQUID LEVEL IN FRIDGE.

WHAT IS THE USE OF GUAGE GLASS FITTED TO THE BOILER?

Ø  TO SHOW THE LEVEL OF WATER INSIDE THE BOILER.

WHAT IS THE USE OF SOUNDING TAPE?

Ø  TO MEASURE SOUNDING OF VARIOUS TANKS, BILDGE LEVEL ETC.

WHAT IS A DEPTH GUAGE?

Ø  TO MEASURE THE DEPTH OF A HOLE , USED FOR PROPELLER DROP.

WHAT IS A DIAL GUAGE?

Ø  IT IS USED TO MEASURE THE FLATNESS OF SURFACE OR  SHAFT.

WHAT IS A FEELER GUAGE?

Ø  TO MEASURE CLEARENCE OF BEARINGS,CROSS GUIDES, SHOES, TAPPET CLEARENCE ETC.

WHAT IS THE USE OF FRESH WATER GENERATOR ON BOARD SHIUP/

Ø  TO MAKE SUFFICIENT FRESH WATER FROM SEA WATER AND MAINTAIN SOCK OF FRESH WATER THROUGH OUT THE LONG VOYAGE.

HOW MUCH OF F/W IS PRODUCED ON BOARD SHIP?

Ø  18-22 TONS/DAY.

WHAT IS THE HEATING MEDIA USED IN EVAPORATOR?

Ø  EITHER M/E JCW FROM ENGINE ROOM.

WHAT PARAMETERS YOU WILL CHECK WHILE FRESH WATER GENERATOR IS WORKING?

1)      CHECK STEEL SHELL VACCUM.

2)      SEA WATER INLET PRESSURE.

3)      JACKET COOLIN WATER TEMP.

4)      SEA WATER OUTLET TEMP FROM THE CONDENSER

5)      SALINITY OF FRESH WATER.

                                                              

WHAT PARAMETERS WILL YOU CHWCK WHILE FRESH WATER GENERATOR IS WORKING?

Ø  SHELL , VACCUM TEMP, C.W TEMP,SALINITY, DRIVING WATER PRESSURE, DISTILLATE FEED LEVER.

WHAT DO YOU MEAN BY THE EVAPORATOR IN F/W GENERATOR?

Ø  IT IS THE HEATING COIL WHICH CAUSES SEA WATER FEED TO BOIL AT LOW TEMP & PRESSSURE.

STATE USE OF FRESH WATEWR GENERATOR ON BOARD?

Ø  TOCOMPENSATE EXPANSION TANKS OF M/E, AUX ENG, BOILER FEED, BATHING ND DRINKING, GENERAL PURPOSE, CLEANING AND ALSO USED FOR BATTERY AS DISTILLED WATER.

WHAT IS THE IMPORTANCE OF VACCUM IN F/W GENERATOR?

Ø  VACCUM LOWERS THE BOILING POINTS OF S.W, HENCE JCW WASTE IS UTILISED FOR BOILING.

PARTS  OF FRESH WATER GENERATOR

1.      EVARPORATING COIL.

2.      CONDENSOR.

3.      DISTILL PUMP.

4.      AIR EDUCTOR.

5.      BRANE EDUCTOR.

6.      DUMP V/V.

7.      DEMISTOR.

8.      DRAIN COCK.

9.      AIR COCK.

10.  SAFETY V/V.

11.  VACCUM GUAGE.

12.  SIGHT GLASS.

13.  SALINOMETER.

WHAT IS THE IMPORYANCE OF AIR COOLER IN F/W GENERATOR?

Ø  TO BREAK VACCUM AND ASSISTS IN DRAINIG SHELL OF S/W ALSO ASSISTS IN FORMING VACCUM.

WHY THE CONDENSOR AND EVAPORATOR OF F/W GENERATORIS CLEANED PERIODICALLY?

Ø  TO REMOVE SCALE AND SALT DEPOSIT WHICH OTHER WISE WOULD LOWER THE WATER MAKING CAPICITY OF F/W GENERRATOR.

WHERER DO WE GET THE HEAT TO BOIL S/W INSIDE F/W GENERATOR?

Ø  FROM LOW PRESSURE STEAM OR M/E JCW OUTLET WATER.

STATE ALARMS? TYPES OF ALARMS?

Ø  THEY ARE USED INDICATE ABNORMAL ACTIVITIES. THEY ARE AUDIO/ VISUAL ALARMS. TEMP, PRESSURE & LEVELS.

WHAT SAFETY ALARMS USED IN E/R WITH SPECIA; ATTENTION TO M/C?

·         LOW & HIGH PRESSURE ALARM.

·         HIGH TEMP ALARM

·         HIGH & LOW LEVEL ALARM

·         SALINITY ALARM

·         SMOKE DETECTOR

·         HIGH OIL CONTENT ALARM

·         OIL MIST DETECTOR

·         FLAME AND HEAT SENSORS

·         BILGE HIGH LEVEL ALARM

·         OVER LOAD ALARM

·         BOILER WATER VERY LOW ALARM

·         LOW L.O PRESSURE ALARM.

WHAT ARE THE VARIOUS TYPES OF FIRE ALARMS?

Ø  SOME DETECTOR, FLAME DETECTOR, HEAT SENSING ALARM, SPRINKLE TYPE ALARM.

WHAT IS THE USE OF CO₂ FLOODING ALARM?

Ø  TO WARN PEOPLE TO LOCATE THE LIVING ROOM AS CO₂ IS RELEASED.

WHAT ACTION YOU WILL TAKE WHEN YOU HEAR CO₂ ALARM?

Ø  WARN OTHERS AND VACATE THE E/R IMMEDIATELY.

STATE CTHE USER OF LOCAL FIRE POINT ON BOARD?

Ø  TO ANNOUNCE ABOUT FIRE AND MUSTER IMMEDIATE HELP.

WHAT DO YOU UNDERSTAND BY COMMUNICATION/

Ø  TO CONVEY INFORMATIOPNS TO OTHERSAND RECEIVE INFO FROM OTHERS.

STATE VARIOUS MODES OF COMMUNICATION WITH SPECIAL REFERENCE TO E/R?

Ø  VOICE PIPE, TELEPHONE,SOUNDPOWERED PHONE, ENGINE TELEGRAPH, PA SYSTEM, INTERCOM.

CAN IMPROPER COMMUNICATION LEAD TO AN ACCIDENT? IF YES GIVE AN EXAMPLE?

Ø  YES, COMMUNICATION FAILURE CAN BE DISASTEROUS SAY IF… BRIDGE SAYS STOP ENGINE THEN MIS UNDERSTANDING CAN BE DIDASTEROUS.

STATE THE IMPORTANCE OF ALARMS ON BOARD?

Ø  TO ANNOUNCE ABNORMALITIES AND WARN ENGINE ROOM PERSONAL TO TAKE PRECAUTION/PREVENTIVE MEASURE TO AVERT DISASTER.

WHAT ACTIONJ WILL YOU TAKE IF YOU HEAR GENERAL EMERGENCY ALARM?

Ø  RUSH IMMEDIATELY THROUGH SHORTEST ROUTE TO MUSTER STATION FULLY DRESSED UP, DRINK PLENTY OF WATER AND BE IN YOUR LIFE JACKETS.

PARTS OF DOUBLE BOTTOM TANK

1.      MAN HOLE

2.      AIR VENT

3.      SUCTION PIPE

4.      DISCHARGE PIPE

5.      EMERGENCY BILDGE SUCTION

6.      LIMBER BOARD

7.      PUMP

8.      SEA SUCTION V/V.

WHAT CHECK WILL YOU CARRY OUTBEFORE STARTING A PUMP?

Ø  IF CENTIFUGAL PUMP PRIME THE PUMP,PURGE AIR,CHECK IF INLET VALVE AND OUTLET VALVE OPEN, CHECK LUBRICATION OIL LEVEL, CHECK IF AIR VENT OF TANKS OPEN.

Ø  WHAT DO YOU MEAN BY PRIMMING OF PUMP?
PUMP SHOULD BE FULL OF LIQUID BETWEEN SUCTION VALVE AND DISCHARGE VALVE AND ANY AIR IN THE PUMP SHOULD BE PURGED THROUGH VENTING COCK.

MOUNTINGS OF A BOILER

1.      FEED CHECK V/V

2.      SAFETY V/V

3.      MAIN STOP V/V

4.      AUXILIARY STOP V/V

5.      DRAIN V/V

6.      SLUM V/V

7.      SALINOMETER

8.      LEVEL INDICATOR

9.      AIR VENTS

10.  BLOW DOWN V/V

11.  SOOT BLOWER

12.  LOW WATER ALARM

DEFINE BOILER?

Ø  ENCLOSED PRESSURE VESSEL IN WHICH BOILER FEED WATER IS HEATED BY OIL FIRE TO PRODUCE STEAM FOR HEATING ETC.

WHAT ARE THE TYPES OF BOILER?

Ø  FIRE TUBE , WATER TUBES,EXHAUST GAS AND COMPOSITE BOILERS.

WHAT IS WATER TUBE BOILER?

BOILER IN WHICH HEAT IS APPLIED EXTERNALLY TO THE WATER TUBES AND WATER IS CIRCULATED INSIDE THE TUBE.

DEFINE FIRE TUBE BOILER/

Ø  BOILER IN WHICH HOT GASES OF COMBUSTION PASS THROUGH SMOKE TUBES AND WATER SURROUND THE TUBES AND CARRY AWAY THE HEAT AND PRODUCES STEAM.

WHAT IS THE USE OF BOILER ON BOARD/

Ø  TO PRODUCE STEAM FOR TANK HEATING,HEATING OF ACCOMADTION AIR IN COLD WEATHER, FUEL HEATING, CARGO HEATING ETC.

WHAT IS THE USE OF STEAM ON BOARD?

Ø  FUEL HEATING, CARGO HEATING AND ACCOMODATION HEATING,STEAM WHISTLE, VISCOSITY CONTROL, GALLY PURPOSE.

WHAT ARE THE VARIOUS PARTS OF THE BOILER?

Ø  STEAM DRUM, WATER DRUM,BURNER FRONT, STEAM STOP V/V,SAFETY

V/V, FEED CHECK V/V, BLOW DOWN AIR VENT, FURNACES.

STATE THE VARIOUS PARAMETERS TO BE CHECKED WHILE CARRYING OUT BOILER WATCHKEEPING?

1.      FLAME CONDITION

2.      EXHAUST OF BOILER FROM FUNNEL

3.      BOILER WATER LEVEL

4.      STEAM PRESSURE

5.      FEED TANK

6.      SALINITY OF FEED

7.      FUEL LEVEL

8.      DRAIN FUEL TANK OF SLUDGE OIL

9.      MAINTAIN FUEL TEMP.

10.  BOILER GUAGE GLASSES TO BLOW DOWN TO CHECK STATE OF STEAM WATER TO DRAIN COCK.

                        

STATE IMPORTANCE OF GUAGE GLASS?

Ø  IT IS PROVIDED TO KNOW THE ACTUAL LEVEL WATER INSIDE OF THE BOILER. 2 GUSGES ARE PORVIDED SO THAT IF ONE FAILS OTHER IS THERE TO TELL THE ACTUAL LEVEL WATER IN THE BOILER.

                

LUBRICATION

Ø  LUYBRICATION IS THE PROCESS OF ADDING LUBRICANT NETWEEN TWO MOVING PARTS OF A MACHINE/ ENGINE TO REDUCE FRICTION AND ELEMENATE HEAT GENERATED DUE TO FRICTION.

Ø  LUBRICANT IS THE MEDIA APPLIED BETWEEN TWO MOVING PARTS TO REDUCE FRICTION.

Ø  STATE THE IMPORTANCE OF LUBRICATION IN MACHINERy?
PREVENTS FRICTION BETWEEN 2 MOVING PARTS, REDUCES HEAT GENERATED AND CARRIES AWAY THE HEAT, THUS INCREASES THE SERVICE LIFE OF THE PARTS.

STATE THE VARIOUS METHODS OF LUBRICATION?

Ø  FORCE FEED OR PRESSURE LUBRICATION, HAND LUBRICATION BY OIL CAN, SPLASH LUBRICATION, GRAVITY LUBRICATION, OIL BATH LUBRICATION.

STATE DIFFERENT YPES OF LUBRICATION USED ON BOARD?

Ø  ENGINE SYSTEM OIL, GEAR OIL, AND HYDRAULIC OIL, AIR COMPRESSED OIL, A/C FRIDGE OIL, CYLINDER LUBRICATION OIL.

STATE THE IMPORTANCE OF CLEANLINESS  LUBE OIL?

Ø  IF OIL IS EXPOSED TO DIRT & DUST COULD HAMPER LUBRICANTS, COULD CHOKE THE OIL PASSAGES, LEADING TO STARVATION AND SEIZING OF ENGINE, KEPT FREE OF CARBON, DUST AND GRIT.

WHAT SAFETY PRECAUTOION WILL YOU OBSERVE WHILE LUBRICATING ENGINE?

1.      USE RIGHT GRADE OF OIL RECOMMENDED BY MANUFACTURER, MAINTAIN TEMP AND PRESSURE.

2.      AVOID MIXING OF DIRT WITH OIL

3.      AVOID MIXING TWO DIFFERENT LUBRICANTS

4.      AVOID MIXING OF WATER WITH OIL

5.      NEVER USE JUTE/ COTTON WASTEWHILE REPLACING SUMP OIL

6.      USE RIGHT AMOUNT OF OIL, CLEAN OIL TRAY AFTER LUBRICATION.

WHICH PARTS OF ENGINE REQUIRE LUBRICATION?

Ø  ALL MOVING, RUBBING, SLIDING, ROTATING OF ENGINE ROOM ARE TO BE LUBRICATED.

STATE COOLANTS AND IMPORATANCE OF COOLANTS IMN MACHINE SHOP?

Ø  COOLANTS ARE USED FOR CARRYING AWAY HEAT FROM WORK PIECE AND TOOL. LUBRICATE SURFAE OF TOOL, PROTECT JOB SURFACE FROM RUSTING, CARRY AWAY CHIPS, PROVIDE GOOD FINISH, AND ALLOW CORRECT MEASURING OF JOBS.

WHAT IS THE NECESSUTY TO GREASE PUMP BEARINGS?

Ø  AS OIL LUBRICATION IS NOT ADVISABLE GREASE IS APPLIED TO PROVIDE LUBRICANTS TO AVOID WEAR AND TEAR TO AVOID BREAKDOWN, PREVENT NOISE.

HOW NAY SAFETY VLAVE SARE FITTED ON THE BOILER? WHT IS ITS PURPOSE?

Ø  BOILER IS FITTED WITH 2 NOS OF SAFETY VALVES. IT IS FITTED TO RELEASE EXCESS STEAM PRESSURE.

HOW WILL YOU MAKE SURE THE GUAGE GLASS IWORKING?

Ø  BY BLOWING THROUGH GUAGE GLASS KEEPING DRAIN COCK OPEN, KEEPING STEAM COCK SHUT, OPEN WATER COCK AND CHECK WATER PASSING FREELY THROUGH DRAIN COCK, LATER SHUT WATER COCK AND OPEN STEAM COCK AND ENSURE STEAM BLOWING THROUGH THE DRAIN COCK.

WHAT IS THE USE OF BOILER COMPOUND?

Ø  TO MINIMISE CORROSION IN BOILER, BOILER FEED WATER IS TREATED EITH BOILER WATER CHEMICALS WHICH WILL NUTRALISETHE EFFECT OF SALT, ACID ANT OTHER IMPURITIES.

WHAT IS EMERGENCY?

Ø  IT IS A DANGENROUS SITUATION WHICH THREATENS THE SAFETY OF THE SHIP AND ITS CREW.

WHAT ARE THE VARIUOS EMERGENCY THATMAY OCCUR IN THE E/R?

FIRE,FOUNDERING, CLOLISIOM, OIL POLLUTION FLOODING, BLACK OUT, MACHINERY FAILURE.

WHAT ACTION WILL YOU TAKE WHILE HAVING ANEMERGENCY SIREN?

Ø  START FIRE PUMP AND RUSH TO MUSTER STATION IN YOUR BOILER SUITWI9TH SAFETY SHOES AND HELMET, DRINK ENOUGH WATER AND CARRY SOME WARM CLOTH AND MUSTER OUT AT THE MUSTER STATIONS.

STATE THE IMPORTANCE OF EMERGENCYESCAPE ROUTE IN EMERGENCY ROOM?:

Ø 
IT IOS A SHOR CUT ROUTE FROM E/R LEADS TO WEATHER DECK. IT IS AWAY FROM THE REGULAR ENTRANCE AND IS USE DTO BE USED N ACSE OF FIRE ISOLATING THE MAIN ENTRANCE.

 HOW WILL YOU COME OUT FROM E/R IN CASE YOU HERA THE EMERGENCY ALARM/CO2 FLOOING SYSTEM?

Ø  LEAVE E/R THROUGH THE EMERGNCY ESCAPE ROUTE LEADING DIRECTLY TO WEATHER DECK.

WHAT WILL YOU DO IF E/R GETTING FLOODED?

Ø  SGUT ALL SEA SUCTION V/VS OTHER THEN GENERATOR COOLING PUMP SUCTION. STOP MAIN ENGINE, START PUMPING BILGE FROM EMERGENCY BILDGE SUCTION AND KEEP PUMP RUNNING AND CHECK IF WATER LEVEL IS REDUCING.

WHAT ARE THE VARIOUS LIFTING DEVICE USED ON BOARD SPECIAL REFERENCE TO E/R?

Ø  THEY OVER HEAD CRANE, CHAIN BLOCKS, RATCHET CHAIN BLOCKS,ROPE AND PULLEY BLOCK, HYDRAULIC JACKS, DAVITS USED TO LIFT HEAVY PART OF THE ENGIEN.

STATE THE IMPORTANCE OF LIFTING DEVICE IN E/R?

Ø  FOR CARRYING OUT REPAIRS AND MAINTENANCE TO HEAVY ENGINE PART TO TRANSFER EQUIPMENTS/ SPARES FROM E/R TO DECK AND FROM DECK TO E/R.

WHAT  PRECAUTIONS YOU WILL TAKE WHILE HANDLING CHAIN BLOCK/ LIFTING DEVICE?

Ø  CHECK THE SWL OF THE EQUIPMENT AND ALSO THE WEIGHT OF JOB TO BE LIFTED.

WHAT SI SKY LIGHT?

Ø  IT IS THE HATCH OR COVER ON THE E/R TOP WHICH OPENS TO WHEATHER DECK. IT ALLOWS LIGHT TO E/R DUCRING BLACK OUT/ TOTAL POWER FAILURE. IT IS USED TO LOAD/ UNLOAD STORE, SPARES, HEAVY M,ACHINERY.

 WHAT IS THE IMPORTANCE OF SKY LIGHT>?

Ø  TO LOAD/ UNLOAD E/R MACHINERIES/STORE/SPARES WHICH ARE SUFFICIENT LLARGE AND HEAVY. IT ALLOW DAY LIGHT TO E/R IN CASE OF BLACK OUT.

SATE THE HEAVY EQUIPMENTS IN THE E/R?

Ø  MAIN ENGINE LINER, PISTON,JACKET,TURBO CHARGER, CYLINDER HEAD, FUEL PUMP,AIR COMPRESSORS, VARIOUS PUMP ASSEMBLY, TAIL SHAFT ETC.

STATE THE IMPORANCE OF LASHING HEAVY ITEMS IN E/R IN HEAVY WEATHER?

Ø  IF NOT LAHED CAN CAUS EENORMOUS DAMAGE TO ITSELF AND OTHER EQUIPMENTS, IT WILL EFFECT SHIP’S STABILITY, IT COUD DAMAGE MEN AND MATERIAL.

DFEINE LIFTING DEVICE ? HOW CAN WE LIFT HEAVY WEIGHT WITH LESSER EFFORT?

Ø  IT IS A MECHANISM DESIGNED TO LIFT HEAVY LOADS BY COMPARITIVELY LOW FORCE BY WORKING ON THE PRICIPLE OF LEVER.

HOW IULL YOU OPERATE THE VARIUOS PORTABLE FFA?

Ø  AS PER MANUFACTURER’S  INSTRUCTION.

WHAT IS THE FIXED FIRE FIGHTING APPLIANCE USED FFOR E/R?

Ø  CO2 FLOODING SYSTEM . IT IS USED TO FIGHT LARGE FIRES WHICH CANNOT BE EXTINGUISHED BY PORTABLE EXTINGUISHERS. CUTTING OF ALL VENTILATIONS, OPERATING ALL QUICK CLOSING VALVE, SEALING E/R COMPLETELY AFTER EVACUATING E/R PERSONNEL, THEN FLOOD THE E/R WITH CO2.

WHEN IS CO2 USED ?

Ø  WHEN FIRE CANNOT BE EXTINGUISHED WITH PORTABLE EXTINGUISHERS, THEN CO2 FLOODING IS OPERATED

WHO OPERATES FIXED FIRE FIGHTING APPLIANCES?

Ø  CHIEF ENGG IS SOLELY RESPONSIBLE AND IT IS HE WHO DECIDES TO USE THE CO2 FLOODING SYSTEM.

WHAT DO YOU MEAN BY CO2 SYSTEM?

Ø  CO2 SYSTEM IS A FIXED FIRE FIGHTING SYSTEM USED IN CASE OF MAJOR FIRE AND IT IS MEANT TO FLOOD THE E/R IN ONE SHORT AFTER THE E/R PERSONNEL ARE OUT AND ALL VENTALATION AND OPENINGS ARE SEALED.

HOW WILL YOU FIGHT THE ELECTRICAL FIRE IN THE E/R?

Ø  SHUT OF THE SUPPLY TO THE CIRCUITS AND FIGHT FIRE WITH PORTABLE DCP OR CO2 CYLINDER.

WHEN WILL YOU EMERGENCY ESCAPE IN THE ENGINE ROOM?

Ø  AT THE TIME OF ENTRY INTO THE E/R DURING FIRE ANTER CO2 FLOODING AND RE ENTRY FOR ASSESEING THE DAMAGE, ALSO WHEN ONE IS TRAPPED IN E/R DUE TO FIRE AND TRYING TO ESCAPE.

WHY THE ESCAPE ROUTE IS CONSIDERED SAFER THAN THE NORMAL STAIR CASE GIVEN IN THE E/R?

Ø  USUALLY THESE ESCAPE ROUTE IS ENCLOSED IN A TRUNKING WIOTH DOOR TO KEEP OFF THE DIRECT FLAME AND HEAT.

DEFINE FIRE.?

Ø  CHEMICAL RECATION OF FLAMMABLE MATERIAL IN THE PRESCENCE OF HEAT AND OXYGEN, WUTH THE EMISSION HEAT AND LIGHT.

WHICH ARE THE THREE SIDES OF A FIRE TRIANGLE?

Ø  FUEL-HEAT-OXYGEN.

WHAT IS THE USE OF BOILER ON BOARD?

Ø  TO PRODUCE STEAM, FOR TANK HEATING, HEATOING OF ACCOMODATION AIR IN COLD WEATHER, FUEL HEATING, CARGO HEATING…ETC.

WHAT IS THE USE OF STEAM ON BOARD?

Ø  FUEL HEATING, CARGO HEATING ,ACCOMODATION HEATING, STEAM WHISTLE , VISCOSTY CONTROL.

 WHAT ARE THE VARIOUS PARTS OF THE BOILER?

Ø  STEAM DRUM, WATER DRUM, RISERS & DINERS, FURNACES, BURNER FRONT, STEAM STOP V/V, SAFETY V/V, FEED CHECK V/V, BLOW DOWN V/V, LEVEL GUAGE GLASS.

HOW MUCH SHOULD BE THE WATER IN THE WATER GUAGE?

Ø  LITTLE MORE THAN HALF GUAGE GLASS.

NAME THE VARIOUS MACHINERY FITTED IN E/R?

Ø  MAIN ENGINE, AUXILIARY ENGUNE, PURIFIER, BOILER, COMPRESSOR, GENERATOR, AIR COMPRESSOR, FRESH WATER GENERATOR, VARIABLE PUMPS, SEWAGE TREATMENT PLANT ETC.

DEFINE NERGY? TYPES ENERGY?

Ø  ABILITY TO DO WORK IS CALLED ENERGY.

 POTENTIAL ENERGY,: ENERGY TO DO ITS POSITION

KINETIC ENERGY: ENERGY TO DO ITS MOTION.

 WHAT DO DO YOU UNDERSTAND BY HEAT ENGINE?

Ø  ENGINE WHICH CONVERT TO HEAT ENERGY INTO MECHANICAL ENERGY.

WHAT IS INTERNAL COMBUSTION ENGINE?

Ø  ENGINE WHERE COMBUSTION WILL TAKE PLACE INSIDE THE CYLINDER IS CALLED I.C ENGINE.

NAME THE MAJOR COMPONENTS OF DIESEL  ENGINE?

Ø  CYLINDER HEAD, LINER, PISTON, CONNECTING ROD, CRANK CASE, CRANK SHAFT, FLY WHELL ETC…

Ø  EXTERNAL COMBUSTION ENGINE: STEAM TURBINE ENGINE.

STATE VARIUOS STROKES OF 4 STROKE& 2 STROKE ENGINE?

Ø  4 STROKE: SUCTION STROKE, COMPRESSION STROKE, POWER STROKE, SUCTION STROKE.

Ø  2 STROKE; COMPRESSION, POWERSTROKE, EXHAUST STROKE.

DIFFERENCE BETWEEN AUXILIARY ENGINE & AUXILIARY MACHINERY?

Ø  AUXILIARY ENGINE: ANY ENGINE OTHER THAN MAIN ENGINE  ( PRODUCTION OF ELECTRICITY.

Ø  AUXILIARY MACHINERY: ALL MACHINERY ON BOARD EXCEPT M,AINB ENGINE& BOILER ARE CALLED AUXILIARY MCHINERY.

WHAT IS THE USE OF AUXILIARY ENGINE?

Ø  AUXILIARY ENGINE PRODUCES THE ELECTRICAL POWER ON BOARD.

WHAT IS RTHE PRIMARY KNOWLEDGE OF ENGINE ROOM RATING?

1.      LAYOUT OF E/R.

2.      CHECKING LEAKAGES, ABNORMAL SOUND IN RUNNIN MACHINERY, SMOKE FIRE.

3.      EMERGENCY DRILL.

4.      USE OF BASIC HAND TOOLS.

5.      KNOWLEDGE HOW TO CHECK PRESSURE, TEMPERATURE, OIL LEVEL ETC..

6.      OILING, GREASING, CLEANING.

WHAT IS THE DIFFERENCE  BETWEEN 2 STROKES & 4 STROKE ENGINE?

2STRIOKE; 1 POWER STROKE PER REVOLUTION OF CRANK.

4 STROKE: 1 POWER STROKE 2 REVOLUTION OF CRANK.

2STROKE: PORTS ARE PROVIDED

4 STROKE: VALVES ARE NEEDED

2 STROKE: SMALL ENGINE SAME POWER

4 STROKE: BIGGER ENGINE SAME POWER.

NAME THE DIFFERENT WHY ENGINE CAN BE  STARTED?

Ø  HAND CRANKING, BATTERY & AIR CIRCULATION.

STATE THE IMPORATNCE OF ENGINE COOLING & LUBRICATION?

Ø  ENGINE COOLING:IT COOLS THE ENGINE AND AVOID WEAR & TEAR OF ENGINE [ PREVENT THE HEATING OF ENGINE PARTS.

LUBRICATION: TO AVOID THE FRICTION AND PRESSURE, PREVENT CORROSION.

WHY ARE THE SENSOR FITTED IN THE ENGINE?WHAT PARAMETERS DO THEY SENSE/

Ø  SENSORS ARE FITTED TO SENSE PARAMETERS LIKE PRESSURE AND TEMPERATURE OF THE NEGINBE, LEVEL NAD FLOW.

WHAT IS THE USE OF SUPER CAHRGER5/ TURBOC HARGER?

Ø  TO BURN MORE FUEL AND GET MORE POWER,IT SI SUPPLY OF AIR ABOVE ATM PRESSURE, WHERE AS IN SUPER CHARGER FORCED MOPRE AIR IJ THE CYLINDER, IT IS USED TO SUPPLY AIR ABOVE ATM PRESSURE IN THE ENGINE CYLINDER.

WHAT IS THE USE OF EXPANSION TANK IN ENGINE FRESH WATER SYSTEM?

Ø  TO SUPPLY WATER, ADD CHEMICALS TO MAINTAINING CONDITIONS OF WATER.

WHAT CHECK WILL YOU CARRY OUT WHILE WATCH ON ENGINE / GENERATOR?

Ø  SHOULD CHECK LUBEOIL LEVEL, LUBOIL SUMP,LEVEL PRESSURE&TEMPERATURE OF SEAVERGINE,DIESEL,OIL LEVEL,FUEL OIL LEVEL TANK, FUEL PUMP LEAKAGE,ENGINE COOLING,FRESH WATER EXPANSION AND FUEL LINE SHOULD BE CHECKED.

WAHAT ARE THE VARIOUS LIFTING DEVICES ON BOARD? SPECIALLY REFERENCE TO ENGINE ROOM?

Ø  OVER HEAD CRANE,CHAIN BLOCKS,RATCHET CHAIN BLOCKS,ROPE & PULLEY BLOCK,HYDRAULIC JACK,DAVITS TO LIFT THE HEAVY PARTS OF THE ENGINE.

STATETHE IMPORTANCE OF LIFTING DEVICES IN THE E/R?

Ø  FOR CARRYING OUT REPAIRS AND MAINTENANCE TO HEAVY ENGINE  PARTS TOTO TRANSFER EQUIPMENTS/ SPARES FROM E/R TO DECK AND FROM DECK TO ENGINE ROOM.

WHAT PRECAUTIONS WILL YOU TAKE WHILE HANDLING A CHAIN BLOCK/LIFTING MACHINE?

Ø  CHECK THE SAFE WORKING LOAD OF THE EQUIP0MENT AND ALSO THE WEIGHT OF THE JOB TO BE LIFTED.

WHAT IS S.I ENGINE?

Ø  IT IS AN ENGINE WHERE IGNITION IS PRODUCED BY A SPARK PLUG IN AN ENGINE.

WHAT IS COMPRESSION IGNITION ENGINE?

Ø  IGNITED BY TEMPERATURE IS CALLED C.I ENGINE.

WHAT IS THE USE OF TAIL SHAFT AND THRUST SHAFT?

Ø  TAIL SHAFT TO CONNECT THE PROPELLER.

Ø  THRUST SHAFT TO TAKE UP THE THRUST OF THE PROPELLER.

SEEWENGING: IT IS THE PROCESS OF REMOVING BURNT EXHAUST GASES B WITH FRESH CO2 CONTAINING AIR.

STATE THE HEAVY ITEMS IN ENGINE ROOM?

Ø  MAIN ENGINE LINER,PISTON JACKET,TURBO CHARGER, CYLINDER HEAD,FUEL PUMP,AIR COMPRESSOR,VARIOUS PUMP ASSEMBLY,TAIL SHAFT ETC..

STATE THE IMPORTANCE OF LASHING HEAVY ITEMS IN E/R IN HEAVY WHEATHER?

Ø  THEY CAN MOVE AROUND AND CAUSE ENORMOUS ADMAGETO ITSELF AND OTHER EQUIPMENT. IT WILL AFFECT SHIPS STABILITY, IT COULD ADMAGE MAN AND MATERIAL.

                                         

PURIFIERS

WHAT IS PURIFICATION?

Ø  PURIFICATION IS THE PROCESS OF REMOVING DIRT AND WATER FROM LUBE OIL AND FUEL OIL.

WHY THE FUEL OIL SHOULD BE PURIFIED BEFORE USE?

Ø  FOR PROPER BURNING OF THE FUEL OIL IN THE ENGINE.

FUEL OIL PURIFIRS TAKE SUCTION FROM WHICH TANK AND DELIVERS TO WHICH TANK?

Ø  SUCTIONFROM SETTLING TANK AND DELIVERS TO SERVICE TANK.

WHAT IS THE IMPORTANCE OF  PURIFICATION OF FUEL OIL LUBRICANTS?

Ø  TO REMOVE THE SLUDGE FROM THE OIL.

WHAT IS SINGLE PHASING?

Ø  IN A 3 PAHSE SUPPLY IF ONE OF THE SUPPLY IS KEPT OPEN IS CALLED SINGLE PHASING.

CAUSES OF SINGLE PHASING?

1.      LOOSE CONNECTIONS

2.      OVER LOADING

3.      IMPROPER USE AND M.C.B

WHAT IS THE FUNCTION OF EARTHING?

1.      TO PROTECT THE MAN FROM SHOCK.

2.      TO PROTECT LARGE BUILDING AND EQUIPMENT FROM LIGHTING.

3.      TO MAINTAIN CONSTANT VOLTAGE IN LINE.

SAFETY PRECAUTIONS WHILE WORKING WITH ELECTRICAL INSTALLATIONS?

1.      USE PROPER INSULATED TOOLS.

2.      NEVER WEAR ANY WET CLOTHES WHILE WORKING.

3.      MAKE SURE THE EQUIPMENT IS PROPERLY EAR5THED.

4.      USE RUBBER MAT ON THE FLOOR WHERE YOU WORK.

5.      NEVER LEAVE ANY CONNECTIONS LOOSE.

6.      USE DCP OR CO2 EXTINGUISHER FOR ELECTRICAL FIRE.

7.      SWITCH OF THE MAINSWITCH BEFORE WORKING ON AN INSTALLATION.

WHAT IS GARBAGE?

Ø  GARBAGE CONSISTS OF DOMESTIC WASTE( FOOD WASTE, BOTTLES, PLASTIC CANS, TIN CANS.) EXCLUDING FISH.

WHAT DOES THE E/R WASTE CONSIST OF?

Ø  OIL RAGS, COTTON WASTE, WASTE LINIG AND PACKING MATERIALS, CHEMICAL WASTE.

WHAT SI THE USE OF INCINERATOR ON BOARD?

ICINATOR ISA USED TO BURN WASTE ON BOARD SUCH AS GALLEY WASTE.

WHAT GARBAGE IS PERMITTED TO BURN INCINERATOR?

Ø  GALLEY WASTE SUCH AS FOOD SCRAP, BONEW, PAPER CANS, BOTTLES, ACCOMODATION WASTE, PAPER CARDBOARD,TEXTILES,OIL SLUDGE,LUB OIL,BILDGE OIL, GARBAGE NOT PER MITTED TO BURN PLASTIC, POLYTENIC.