我
- A.center of gravity is lowered
- B.center of buoyancy is lowered
- C.reserve buoyancy is unchanged
- D.hull freeboard is increased
- A.Excessive cylinder liner
- B.water in the fuel system
- C.Cracked cylinder liner
- D.Leaking lube oil cooler
- A.attached to the indicators
- B.opened
- C.closed
- D.broken
- A.drained off
- B.collected
- C.sent to the crankcases
- D.separated with oil
- A.a mechanical seal
- B.keyway and key
- C.a nut
- D.shrinkage
- A.the oil content in water
- B.the water content in fuel oil
- C.the water level in bilge well
- D.the oil level in bilge well
- 7
-
After received the “finished with engine” instruction, which of the following operations is false?
- A.shut off the starting air receiver outlet valve
- B.stop the F.O priming transfer pump and shut off the correspondence inlet and outlet valve
- C.stop the S.W pump immediately and shut off the correspondence inlet and outlet valve
- D.stop the F.W pump immediately and shut off the correspondence inlet and outlet valve
- A.I only
- B.II only
- C.both I and II
- D.neither I or II
- A.high temperature and a high viscosity
- B.high temperature and a low viscosity
- C.low temperature and a high viscosity
- D.low temperature and a low viscosity
- A.the rudder angle indicator reading
- B.the desired rudder angle reading
- C.the measured rudder angle reading
- D.the intended rudder angle reading
- A.Foam
- B.Soda acid
- C.Dry chemical
- D.Carbon dioxide
- A.help
- B.good
- C.use
- D.worth
- A.an exciter driven by the same shaft with the generator
- B.an exciter driven by external prime mover
- C.generator itself
- D.either A and B
- A.air intake is restricted
- B.engine is cranked too fast
- C.vibration dampener is faulty
- D.exhaust back pressure is low
- A.steering gear
- B.windlass
- C.deck crane
- D.warping drum
- A.overboard
- B.a bilge well
- C.a slop tank
- D.a hot well
- A.governor sensitivity
- B.exhaust temperature
- C.fuel injection pressure
- D.speed of the can shaft
- A.excessively high oil temperatures
- B.water or moisture contamination
- C.fuel dilution
- D.life its cylinder relief vales
- A.Boston Diesel Company
- B.base circle diameter
- C.switch board case
- D.bottom dead center
- 20
-
The consistent burning of fuel oil with a high sulfur content in a diesel engine will result in .
- A.clogged fuel injection pumps
- B.increased cylinder liner wear
- C.intake valve stem corrosion
- D.varnish deposit on pistons
- A.being shrunk into
- B.to be shrunk into
- C.to be shrunk with
- D.shrinking into
- A.provide energy to operate the engine between power impulses
- B.neutralize the primary inertia force of the crankshaft
- C.reduce the shock of starting loads on the main bearings
- D.prevent the engine from operating at critical speed
- A.spilling
- B.leaking
- C.dumping
- D.All of the above
- A.a pipe with welded connections
- B.a pipe with several clips
- C.a cement box
- D.a leaking valve
- A.loss of flow in the fuel system
- B.loss of pressure in the air system
- C.loss of flow in the lubricating system
- D.loss of pressure in the lubricating system
- A.release
- B.absorb
- C.develop
- D.regenerate
- A.absolute value
- B.relative value
- C.constant value
- D.set value
- A.magnetic amplifier
- B.ship’s service alternator
- C.three-wire DC generator
- D.saturable core reactor
- A.Pressure and temperature decrease
- B.Pressure and temperature increase
- C.Pressure decreases and temperature increases
- D.Pressure increases and temperature decreases
- A.cylinder liner
- B.cylinder cover
- C.piston
- D.exhaust valve
- A.An expansion valve
- B.An evaporator
- C.A thermostat
- D.A condenser
- A.Busbar
- B.Load panel of main generator
- C.Paralleling panel
- D.Shore connection box
- A.steering gear
- B.windlass
- C.deck crane
- D.warping drum
- A.Single stage or multistage
- B.High pressure or low pressure
- C.Open or close coupled
- D.Horizontal or vertical
- A.the master should be immediately informed
- B.the master will be prohibited from contacting the Administration or other organization
- C.he will carry out the inspection after the master be informed and be ready
- D.he will carry out the inspection without informing the master
- 36
-
The greatest detrimental effect on idle electrical equipment, such as cargo pump motors, is the_____
- A.loss of residual magnetism
- B.absorption of moisture in the insulation
- C.insulation varnish flaking
- D.dirt collecting on the windings
- A.reducing the erosion of the cargo tanks
- B.increasing the total quantity of oil to carry
- C.reducing the quantity of water contained in oil
- D.reducing cargo discharged time
- A.UJT or BJT
- B.BCD or OCD
- C.JFET or IGFET
- D.LED or LCD
- A.cylinder head water outlet header
- B.cylinder jacket inlet main
- C.heat exchanger inlet connection
- D.jacket water pump suction line
- A.timing
- B.power
- C.firing order
- D.dead center
- A.soap hardness
- B.nitrogen content
- C.chloride content
- D.dissolved CO2
- A.a motor-driven steering wheel
- B.a pneumatic steering wheel
- C.a hand-driven steering wheel
- D.an electric steering wheel
- A.fuel
- B.oxygen
- C.heat
- D.electricity
- A.starting air pressure too high
- B.correct timing of starting air valves
- C.three of the starting valves stuck
- D.the turning gear disengaged
- A.gear drive by the engine
- B.driven by an exhaust gas turbine
- C.driven by a camshaft
- D.driven by separate motor
- A.above
- B.at
- C.over
- D.within
- A.increase
- B.not change
- C.decrease
- D.be exactly 60 hertz
- A.a brine pump
- B.an air ejector
- C.a feed pump
- D.distillate pump
- A.Condenser and thermal expansion valve
- B.King and solenoid valves
- C.Compressor and thermal expansion valve
- D.Condenser and solenoid valve
- A.crankshaft revolution
- B.mechanical cycle of operation
- C.period of two combustion cycles
- D.cycle of two events
- A.Should the engine stop without apparent reason
- B.The engine should stop without apparent reason
- C.The engine stops without apparent reason
- D.The engine is stopped without apparent reason
- A.the port state
- B.the shipping company
- C.the coastal state
- D.the flag state
- A.can be recovered
- B.is only supplied to cylinders
- C.only feeds the main bearing
- D.is a kind of detergent
- A.Planetary gear set
- B.Torsional vibration damper
- C.Friction clutch
- D.Air bladder clutch
- A.filter
- B.filter drier
- C.heat exchanger
- D.air cooler
- A.the bearing had been overheated
- B.water was present in the oil
- C.the lube oil was not being properly filtered
- D.the maximum allowable bearing pressure had been exceeded
- A.soda acid
- B.foam
- C.CO2
- D.sand
- A.good insulation
- B.bad insulation
- C.high insulation power factor
- D.a high slot discharge factor
- A.A company should develop an ISM and implement it
- B.A company implementing an ISM properly may obtain a DOC
- C.Once a company obtains its DOC, each vessel of this company will obtain a SMC
- D.DOC is valid for 60 months unless “major non-conformity” is found
- A.more than 28 seconds
- B.more than 60 seconds
- C.less than 28 seconds
- D.less than 60 seconds
- A.throw
- B.web
- C.main bearing
- D.deflection
- A.varying the pump discharge pressure
- B.varying the pump return pressure
- C.rotation of the pump plunger
- D.rotation of the pump barrel
- A.sufficient oxygen to sustain human life
- B.an explosive mixture in the compartment
- C.a toxic atmosphere in the compartment
- D.All of the above
- A.to prevent the fuel system from becoming air-hound
- B.to prevent the fuel system becoming clogged with dirty particles
- C.both of the above
- D.to prevent the lubricating oil from leaking out of the filter element
- A.because
- B.thanks to
- C.dues to
- D.owing to
- 66
-
The following measures can be used to improve oily water separator’s separating effect except ____.
- A.overhauling every two year
- B.working at intervals
- C.renewing filtration material
- D.pumping bilge water from different layers respectively
- A.(1) only
- B.(2) only
- C.both (1) and (2)
- D.neither (1)nor (2)
- A.casting interlocking components
- B.welding plates to form. sections for assembly
- C.forging integral components
- D.case hardening integral components
- A.turning it upside down
- B.pressing the foam lever
- C.squeezing the grip handle
- D.opening the hose valve
- A.a check valve
- B.a gate valve
- C.a pressure reducing valve
- D.a quick closing valve
- A.abandon ship
- B.dismissal from fire and emergency stations
- C.fire and emergency
- D.man overboard
- A.higher
- B.lower
- C.low
- D.high
- A.the exhaust will be clear
- B.fuel consumption will be low
- C.all the fuel will be burned at top dead center
- D.fuel consumption will be high
- A.prevent governor surging at shutdown
- B.make sure the fuel nozzles are flushed clean
- C.prevent pressure buildup in the fuel lines
- D.prevent damage from localized overheating
- A.re-adjust the discharge pressure
- B.clean the expansion valve screen
- C.add refrigerant
- D.adjust the expansion valve
- A.Oil temperature too high
- B.Diameter of gravity disc too large
- C.Oil temperature too low
- D.High level tank out of water
- A.keep the parts immersed in diesel fuel
- B.always keep the plunger and barrel together
- C.work over a linoleum-type surface
- D.all of the above
- A.contaminating water
- B.contaminated additives
- C.contaminated fuel
- D.contaminating impurities
- A.centrifugal
- B.plunger
- C.injector
- D.water
- A.upwards
- B.downwards
- C.outwards
- D.forwards
- A.stop valves
- B.interlocks
- C.non-return valves
- D.air vents
- A.total dissolved solids
- B.salt contamination
- C.water hardness
- D.chlorine contamination
- A.flowmeter
- B.viscometer
- C.micrometer
- D.feeler
- A.camshaft beatings
- B.main bearings
- C.piston crowns
- D.cylinder walls
- A.To permit flooding of any fuel oil storage tank on any class of ship
- B.To use it as a secondary service system
- C.To store reserve feed or potable water for extended cruises
- D.To stabilize the ship by flooding certain designed tanks with seawater
- A.decreasing the amount of valve overlap
- B.preheating the air intake
- C.after-cooling the intake air
- D.preheating light fuel
- A.actuation
- B.sensitivity
- C.compensation
- D.thrust shaft
- A.throttling the pressure line
- B.changing the speed of the rotor
- C.either A or B
- D.None of the above is tree
- A.a cracked cylinder liner
- B.excessive water in the fuel
- C.a leaking intercooler
- D.excessive moisture in the scavenge air
- A.angled
- B.rounded
- C.being angled
- D.being rounded
- A.Evaporation
- B.Circulation
- C.Condensation
- D.Distillation
- A.the piston rods
- B.the crank throws
- C.the thrust bearings
- D.the main bearings
- A.ISM Code
- B.SOLAS 74 Convention
- C.Safety Management System
- D.MARPOL Convention
- 94
-
The relative air pressure in the inlet manifold of a turbocharged diesel engine is usually________.
- A.greater than the average exhaust manifold pressure
- B.less than the average exhaust manifold pressure
- C.greater at the turbine wheel than at the impeller
- D.greater at reduced engine speed
- A.are exposed to a vacuum
- B.come in contact with extremely hot surfaces
- C.are reduced in temperature to just above the pour point
- D.become extremely agitated or aerated
- A.after the mooring trial has passed
- B.before the mooring trial
- C.under the surveyors supervision
- D.after repair
- A.Bed plate
- B.Column
- C.Entablature
- D.Tie rod
- A.Used of bimetallic piston rings
- B.Ring gap pre-tensioning
- C.Thermal increase in ring-end clearance
- D.Gas pressure acting against the back of the ring
- A.telescopic pipes
- B.large bore
- C.drilled passage
- D.tied rod
- A.the crank-web
- B.the connecting rod
- C.the main bearing
- D.the cross-head
- A.hand it over
- B.take it over
- C.carry it over
- D.carry it out
- A.total dissolved solids
- B.temperature of distillation of sea water
- C.total dissolved sodium
- D.total delivery system
- A.rotor
- B.stator
- C.exciter
- D.armature
- A.quartered
- B.unchanged
- C.doubled
- D.quadrupled
- A.in order that
- B.because of
- C.in order to
- D.owing to
- A.turbocharger efficiency
- B.engine power output
- C.carbon deposits on fuel injectors
- D.cylinder scavenging
- A.Height of the machine
- B.Temperature of the liquid seal
- C.Gravity disc
- D.Bowl diameter
- A.purifying
- B.batch
- C.long period
- D.temporary
- A.increased air pressure differenced before and aft air cooler
- B.reduced exhaust temperature in all cylinders
- C.reduced temperature difference between water inlet and outlet
- D.both A and C
- A.larger
- B.equal
- C.smaller
- D.equivalent
- A.overflow valve
- B.reducing valve
- C.relief valve
- D.sequence valve?
- A.exhaust gas temperature system
- B.exhaust load system
- C.constant or pulse pressure system
- D.constant volume system
- A.tachometer and engine telegraph
- B.oil and water reserves
- C.clock and engine telegraph and test the rudder
- D.crews
- A.prevent heat corrosion to internal components
- B.increase fuel delivery rate and economy
- C.prevent pre-ignition
- D.avoid carbonization of the nozzle tips
- A.The globe valve may be suitable for partially open operation
- B.The globe valve will give full bore flow with change of direction
- C.The gate valve gives full bore flow with change of direction
- D.The gate valve is suitable for full bore operation only
- A.stop the refrigerant from flowing
- B.force the refrigerant to flow
- C.cause the refrigerant pressure to rise
- D.cause the refrigerant pressure to fall
- 117
-
Safety-management objectives of the Company should establish safeguards _____ all identified risks.
- A.with
- B.without
- C.against
- D.above
- A.strangers
- B.relief valves
- C.emergency valves
- D.strainers
- A.the cylinder cover
- B.the bottom of bed-plate
- C.the sump
- D.the crankcase door
- A.until
- B.not until
- C.not before
- D.not after
- A.A common rail engine, conventional engines
- B.A conventional engine, common rail engines
- C.A marine diesel engine, most other engines
- D.A two-stroke engine, four-stroke engines
- A.at anchor
- B.at unsheltered anchorage
- C.in congested waters
- D.in an open road-stead
- A.cooling water leaving each cylinder
- B.fuel oil entering the injector
- C.exhaust gases at various locations
- D.lube oil at the bearing supplies
- A.compressors
- B.forced fans
- C.ventilators
- D.generators
- A.feel the high pressure fuel line
- B.check the cylinder exhausts for white smoke frequently
- C.check the cylinder exhaust temperature
- D.isolate each cylinder and inspect the injector
- A.suction side
- B.discharge side
- C.by-pass pipe
- D.sampling pipe
- A.Misalignment
- B.Length
- C.Strength
- D.Stresses
- A.3 n mile
- B.5 n mile
- C.12 n mile
- D.25 n mile
- A.at high loads to prevent overheating
- B.at low loads to prevent corrosion in the boiler
- C.during periods of high steam demand
- D.when the turbocharger is in operation
- A.Loss of suction
- B.Increased clearances
- C.Decreased clearance
- D.Decreased slippage
- A.Deck machinery
- B.Little power load
- C.Some important load
- D.stationary submersible pump
- A.gate valve
- B.globe valve
- C.swing-check valve
- D.plug-cock valve
- A.sample
- B.receipt
- C.record
- D.quantity
- A.The garbage to be discharged will sink
- B.Garbage accumulation onboard has exceeded storage space
- C.A person falls overboard, and a plastic ice chest is thrown for flotation
- D.The destination port or terminal cannot receive garbage
- A.the indicating cock
- B.the starting valve
- C.air inlet valve
- D.the exhaust valve
- A.turn off power first
- B.turn on power first
- C.with a test pen in hand
- D.tell C/E
- A.completely drain the boiler in an emergency
- B.prevent sludge from forming in the drum
- C.remove floating impurities from the boiler water surface
- D.remove settled solids from the water drum
- A.the oil content in water
- B.the water content in fuel oil
- C.the water level in bilge well
- D.the oil level in bilge well
- A.rotary compressors
- B.reciprocating compressors
- C.centrifugal compressors
- D.screw compressors
- A.positive head
- B.negative suction head
- C.mechanical seal
- D.vent valve attached to the casing at the top of the volute
- A.filtering
- B.centrifuging
- C.depositing
- D.operating
- A.chilled water temperature
- B.dew point temperature
- C.primary air temperature
- D.dry bulb temperature
- A.The boiler oil tank
- B.The steam pipe
- C.The fire side
- D.The safety valves
- A.the viscosity index
- B.the fuel oil contents
- C.the starting speed
- D.the reading at the rack
- A.solenoid valve to seize
- B.compressor to hunt
- C.formation of flash gas in the liquid line
- D.expansion valve to freeze open
- A.Expansion valve
- B.Evaporator
- C.Drier
- D.Receiver
- A.discharge of ballast or cleaning water from fuel tanks
- B.sounding levels of all fuel tanks on a daily basis
- C.grade and specific gravity of all fuel oil carded
- D.fuel consumption rates on a weekly basis
- A.a ship
- B.a company
- C.a charterer
- D.a manager
- A.the running-in period
- B.the running process
- C.gas exchange process
- D.the boiler firing
- A.just below the crankcase
- B.the oil cup for the exhaust valve
- C.the pan for collecting drain fuel oil
- D.oil circulating pump
- A.main engines
- B.main boilers
- C.pipes and fittings
- D.A and B
- A.engine cylinder
- B.air bottle
- C.evaporator
- D.condenser
- A.large conical springs
- B.compressed air pressure
- C.hydraulic pressure
- D.exhaust gas pressure
- A.lead
- B.forged steel
- C.alloy steel
- D.aluminum alloy
- A.the compressor suction pressure is not too high
- B.all air is purged from the pump and charging fittings
- C.the high pressure cutout switch is held open to prevent accidental starting
- D.the condenser is completely shutdown first
- A.open
- B.close
- C.remain in its position
- D.flood the evaporator with refrigerant
- A.Security level 1
- B.Security level 2
- C.Security level 3
- D.Lowest safety level
- A.latent heat of expansion
- B.sensible heat of condensation
- C.heat of compression
- D.all of the above
- A.There is apparent condensate in piping
- B.The steam is not discovered after admitting steam
- C.The condensate should be fully loaded in the piping as admitting steam
- D.The condensate should be fully drained from the piping while admitting steam
- A.oil fires in the engine room bilges
- B.class B fires in paint lockers
- C.any class D fire
- D.all of the above
