我
- A.in addition to
- B.in addition that
- C.except that
- D.except when
- A.their no trouble period
- B.their freely trouble period
- C.its free trouble life
- D.its trouble-free life
- A.the chief engineer officer
- B.the master of the ship
- C.the manager of the company
- D.the Administration
- A.2
- B.4
- C.5
- D.6
- A.Ship security plan
- B.Company security plan
- C.Port facility security plan
- D.National security plan
- A.Hydraulic oil
- B.Lubricating oil
- C.Diesel oil
- D.Refrigeration oil
- A.The voltage drop across each resistor is the same
- B.The total current flow equals the reciprocal of the sum of the individual currents
- C.The total resistance equals the sum of the individual resistances
- D.The total voltage equals the sum of the individual voltages across each resistance
- A.straw
- B.booms
- C.skimmers
- D.chemical dispersants
- A.Settling
- B.Straining
- C.Spraying
- D.Atomizing
- A.slide block
- B.tilting box
- C.pintle
- D.reaction ring
- A.worn main bearing journals
- B.torsional stress deformation
- C.slack thrust bearings
- D.bearing shells shim dimensions
- A.to inspect if the cylinder has the water leakage
- B.to expel out the residual water /gas /oil from the cylinder
- C.to check if fuel supply is normal
- D.A and B
- A.separating oil too fast
- B.the sensor flushed badly
- C.the discharge solenoid value out of order
- D.too low heating temperature
- A.a failure of the motor
- B.a failure of lubricator
- C.a failure of cylinder
- D.a failure of fuel pump
- 15
-
Which of the listed conditions will affective pressure the most in the cylinder of a diesel engine?
- A.TBN of the lubricating oil
- B.Temperature of the lube oil
- C.Completeness in the mixing of the fuel and air
- D.Temperature of the cooling (sea) water
- A.primarily to lubricate the shaft seals
- B.due to the inability of this type of pump to lift water to cover the suction (eye) of the impeller
- C.to initially unload the pump by having its head pressure equal to discharge pressure
- D.in order to overcome the potential energy of water in the discharge line
- A.screwed
- B.welded
- C.fastened
- D.rotated
- A.wax precipitation in the lube oil
- B.contamination by dust, scale, or moisture
- C.refrigerant bubbles in the lube oil
- D.refrigerant reducing the lube oil viscosity
- A.vanadium
- B.carbon
- C.copper
- D.ash
- A.a exhaust valve
- B.a piston skirt
- C.a piston crown
- D.an air suction valve
- A.all ballast is processed through the oily water separator
- B.ballast is taken on and discharged through a separate main deck riser
- C.ballast and cargo tanks are separated by cofferdams
- D.all ballast lines, tanks, and pumps are independent of those used for oil
- 22
-
A gudgeon pin in a trunk piston may be free to float and rotate, with _____ to limit axial movement.
- A.split pins
- B.crankpins
- C.dipsticks
- D.circlips
- A.an insufficient speed droop setting
- B.an overloaded engine
- C.clogged drain holes in the oil control rings
- D.complete combustion
- A.the number of fuel valves
- B.the number of cylinders
- C.the speed of engine
- D.the power of engine
- A.to protect the marine environment
- B.to provide a method to avoid an accident
- C.to protect the ship from collision
- D.to keep terrorism action away from ships
- A.concentrations of calcium sulfate in the boiler water
- B.fuel oil in the feed water
- C.improper treatment of the feed water with calcium sulfate
- D.excessive feed water alkalinity
- A.Fresh water may be obtained from fish
- B.lifeboat covers or canopies should be washed with rain before drinking water is collected
- C.Fresh water may be collected from condensation inside the life-raft
- D.Freshwater cannot be produced from standing seawater
- A.to ensure the main propulsion plant are kept under constant surveillance
- B.to ensure the auxiliary systems are kept under constant surveillance
- C.to inspect the steering gear spaces at suitable intervals
- D.to inspect and overhaul the equipments in his charge
- A.sea water
- B.fine mineral oil
- C.sanitary water
- D.fresh water
- A.produces pressure
- B.imparts energy to a fluid to move it from level ‘A’ to level ‘B’
- C.creates a vacuum to move a liquid in all installation
- D.is to develop a pressure differential
- A.remained
- B.still
- C.no longer
- D.much mere
- A.overspeed / overload
- B.overload / overspeed
- C.over torque / overspeed
- D.low mechanical efficiency / overload
- A.end
- B.web
- C.pin
- D.journal
- A.move in an opening direction
- B.move in a closing direction
- C.either open or close
- D.not move at all
- A.Air must be admitted/without
- B.Oil must be injected/without
- C.Air must be admitted/with
- D.Oil must be injected/with
- A.has high resistance at low temperatures
- B.has a highly polished surface
- C.is able to pass current with little opposition
- D.holds insulation together well
- A.cam action
- B.spring force
- C.fuel oil pressure
- D.firing pressure
- A.readjust the relief valve
- B.throttle the suction line
- C.throttle the discharge valve
- D.open the priming line
- 39
-
Which one of three elements for a fire on a tanker vessel is most difficult to eliminate (isolate)?
- A.a combustible element, fuel
- B.energy (resources for ignition) to start the combustion
- C.oxygen to support the combustion
- D.both A and C are correct
- A.either all the way open or all the way closed
- B.normally fully open
- C.throttled depending on load
- D.controlled by liquefied pressure
- A.brushes on a commutator
- B.brushes on slip rings
- C.slip rings on a commutator
- D.direct connections from the stator
- A.two knock
- B.three knocks
- C.four knocks
- D.five knocks
- A.after the thrust power is zero
- B.after the torsion is zero
- C.surpass the critical point on the water turbo phase
- D.after the speed is zero
- 44
-
Since the burning or combustion takes place within the engine itself, the engine is known as _____.
- A.a fire -tube boiler
- B.an internal combustion engine
- C.an external combustion engine
- D.an internal combustion generator
- A.water liner
- B.wet liner
- C.dry liner
- D.drown liner
- A.stop loading
- B.notify the senior deck officer
- C.notify the terminal superintendent
- D.determine whether your vessel is the source
- A.along
- B.will
- C.throughout
- D.for
- A.the type and size of the engine
- B.the condition of the engine
- C.ambient temperature
- D.all of the above
- A.dozens
- B.parcels
- C.bundles
- D.gallons
- A.over-speeding of the engine
- B.failure of the engine to shut down
- C.no effect of engine mounting bolts
- D.high exhaust temperatures
