我
- A.early injection timing
- B.worn orifices in the injection nozzles
- C.worn or scored cylinder liners
- D.using a fuel with too low of a cetane number
- A.Carbon particles
- B.Lube oil
- C.Gasoline
- D.Diesel fuel
- A.center
- B.periphery
- C.inlet
- D.upper parts
- A.The greater the atomization, the greater the penetration
- B.The greater the atomization, the less the penetration
- C.The degree of atomization has nothing to do with the degree of penetration
- D.Atomization and penetration are one and the same
- A.the cylinder cover
- B.the piston rings
- C.the piston crown
- D.the piston skirt
- A.conflict
- B.accord
- C.harmonize
- D.struggle
- 7
-
Starting air for auxiliary engines may be taken directly from the main reservoirs or through _____.
- A.an auxiliary reservoir
- B.a controlling air bottle
- C.an emergency air compressor
- D.a main air compressor
- A.water
- B.oil
- C.heat
- D.steam
- A.captain
- B.chief engineer
- C.chief officer
- D.chief motorman
- A.cause a loss of the liquid seal
- B.create a vapor lock in the liquid receiver
- C.collect in the condenser
- D.cause foaming of the oil in the crankcase
- A.magnetic shield
- B.electromagnet
- C.piezoelectric device
- D.electromagnetic domain
- A.exhaust pressure
- B.exhaust temperatures
- C.cooling water temperatures
- D.lube oil consumption
- A.loss of second stage vacuum
- B.contamination of the distillate
- C.lower feed inlet temperature
- D.contamination of the second stage condenser
- A.Sodium hydroxide
- B.Sodium carbonate
- C.Sodium nitrate
- D.Sodium polyphosphate
- 15
-
Constant cooling the various components of diesel engine has a number of functions except for _____.
- A.good lubrication
- B.low thermal stress
- C.good mechanical properties
- D.acid corrosion
- A.the ability of oil to separate from water
- B.the temperature at which oil flows rapidly
- C.a measure of the water in a lube oil system
- D.an emulsion of different grades of oil
- A.oxygen in the water
- B.poor boiler design
- C.density too high
- D.excessive steam demand
- A.an air bound fuel system
- B.damage to cylinder heads and pistons
- C.excessive fuel injection
- D.excessive air valve lift
- A.rolling member size
- B.inner race cone width
- C.manufacturers numerical code
- D.outer ring width
- A.portable growler
- B.galvanometer
- C.visual inspection
- D.megohmmeter
- A.rise quickly
- B.rise slowly
- C.drop quickly
- D.drop slowly
- A.have a larger than normal dead band
- B.produce excessive speed response to a load change
- C.respond slowly to any change in engine load
- D.stabilize engine speed at the new governor setting
- A.facilitate bi-directional operation
- B.provide the greatest pump efficiency
- C.prevent pump clogging from marine growth
- D.prevent cavitation at the pump outlet
- A.increase speed
- B.increase the size of the cardent assembly
- C.reduce wearing ring clearances
- D.change the pump to a "close coupled" arrangement
- A.item A/BALLAST OR CLEANING OF FUEL OIL TANKS
- B.item B/DISCHARGE OF DIRTY BALLAST OR CI.EANING WATER FROM FUEL OIL TANKS R EFERRED TO UNDER SECTION (A)
- C.item C/DISPOSAL OF OIL RESIDUES (SLUDGE)
- D.item H/BUNKERING OF FUEL OILS
- A.fire fighting pump
- B.the steering gear
- C.life boat engine
- D.the main engine
- A.clogged coolant passages
- B.a leaking cylinder head gasket
- C.low fuel oil pressure
- D.worn or broken cylinder liner sealing rings
- A.when the remaining charge volume is less than 90 percent of the required VOLUME
- B.at each inspection for certification
- C.at each annual inspection
- D.when the weight loss exceeds 10% of weight of charge
- 29
-
In which of the areas listed is a fire resulting from spontaneous combustion most likely to occur?
- A.Engine room bilges
- B.Paint locker
- C.Battery storage locker
- D.Fuel oil tank
- A.engine support vibration isolator
- B.detuner or viscous fluid damper
- C.lightened crankshaft flywheel
- D.spherically seated crankshaft bearing
- A.injection
- B.penetration
- C.atomization
- D.compression
- A.(1)
- B.(1) and (2)
- C.(2)
- D.neither (1) nor (2)
- A."vacuum"
- B."the excess of pressure above atmosphere"
- C."figure on a gauge"
- D.Any of the above
- A.a motor-driven steering wheel
- B.a pneumatic steering wheel
- C.a hand-driven steering wheel
- D.an electric steering wheel
- A.How many times
- B.How much water
- C.How long
- D.How length
- A.piston rod guides
- B.engine thrust bearing
- C.crosshead bearing
- D.main shaft flexible coupling
- A.Too larger
- B.Too smaller
- C.Excess
- D.Excessive
- A.holding its slops onboard until they can be pumped into the city sewer system
- B.circulating them through the lube oil purifier to remove water and debris
- C.holding its slops onboard until they can be discharged to a shore side reception facility
- D.pumping them into a settling tank for separation before pumping the oily water residue overboard
- A.liquid
- B.dry saturated gas
- C.wet saturated gas
- D.superheated vapor
- A.because
- B.though
- C.since
- D.until
- A.greater distillate purity through high temperature evaporation
- B.cold shocking for scale removal is not required
- C.less internal corrosion because of lower brine density
- D.less feed-water is required for equal plant capacity
- A.air
- B.black oil
- C.water
- D.ice cream
- A.contaminated with sludge
- B.contaminated with carbon
- C.diluted with fuel oil
- D.diluted with water
- A.amount of field excitation of the leading machine
- B.load-speed characteristics of the governors
- C.amount of field excitation to the lagging machine
- D.type of alternator
- A.the lack of a feedback
- B.the presence of a feed back
- C.the lack of a computer
- D.the presence of a computer
- A.an improper rudder response
- B.hammering noises in the equipment or transmission lines
- C.popping or sputtering noises
- D.all the above
- A.Cranes
- B.Mooring winches
- C.Windlasses
- D.Foreman
- A.China Maritime Administration
- B.the company
- C.the cargo owner
- D.ship owner
- A.tips
- B.tags
- C.lips
- D.keys
- A.Stop fueling
- B.Notify the dispatcher
- C.Notify the terminal superintendent
- D.Determine if your vessel is the source
- A.safety valve
- B.blow down valve
- C.scum valve
- D.feed check valve
- A.advance as the load increases
- B.retard as the load increase
- C.remain unchanged regardless
- D.always occur at top dead center
- A.3 years after making the first entry
- B.2 years after the last entry
- C.3 months after last entry
- D.3 years after the last entry
- A.wash down the area immediately with a fire hose
- B.wash down the area with kerosene
- C.cover the area with absorbent material
- D.cover the area with foam
- A.safety
- B.the ship, its machinery and crew
- C.immediate action
- D.the engineer in charge
- A.rise, rise also
- B.rise, drop
- C.drop, rise
- D.drop, drop also
- A.The pistons reciprocate
- B.The ‘B’ end cylinder barrel rotates
- C.There is no fluid flow
- D.Power is transmitted hydraulically
- A.clearance between the top of the valve stem and the rocker arm
- B.compression of the valve springs
- C.clearance between the valve seat inserts and the head
- D.out of roundness of the fuel injection cams
- A.connected load
- B.prime mover speed
- C.field excitation
- D.generators rated voltage
- 60
-
A substance found in residual fuels which tends to cause exhaust valve corrosion and grooving, is＿.
- A.carbon
- B.vanadium
- C.calcium
- D.hydrogen
- A.operated
- B.made
- C.run
- D.done
- A.The relief valves in the system should be readjusted
- B.The filters and strainers should be checked frequently
- C.All system pressure should be readjusted
- D.The system should be drained and renewed with a fluid of different operating characteristics
- A.the pulse-phase system
- B.the pulse Doppler system
- C.the pulse system
- D.the pulse interval
- A.the engine stops
- B.the engine is running
- C.you repair the engine
- D.overhauling the engine
- A.too low lead
- B.water in fuel
- C.too tight spring
- D.leakage
- A.swell
- B.shrinkage
- C.flash off
- D.lack of water
- A.flash point
- B.fire point
- C.upper explosive limit
- D.lower explosive limit
- A.lift
- B.put
- C.take
- D.hold
- A.Send the wiper into the well with only a scoop and pail
- B.Remove the bilge manifold valve and attempt to back flush the line
- C.Simultaneously operate all available bilge pumps
- D.It is only necessary to transfer half the contents of a drum of degreaser into the bilge well
- A.cylinder casing
- B.cylinder bore
- C.crankcase door
- D.aperture in the cylinder block
- A.at which a liquid will give off inflammable vapors
- B.at which a liquid will burn steadily
- C.at which a liquid will explode
- D.that a liquid must reach before it will flow readily
- A.gear
- B.nonpositive displacement
- C.positive displacement
- D.rotary
- A.sparking being taking place
- B.to spark taking place
- C.sparking to be taken place
- D.sparking taking place
- A.lube oil pumping
- B.rotating rings
- C.gas pressure behind the ring
- D.passage of hot gases
- A.pressure
- B.velocity
- C.flow rate
- D.temperature
- A.0.08% /4 hours
- B.0.008%/2 hours
- C.0.04%/4 hours
- D.0.04%/2 hours
- A.unloaded
- B.primed
- C.filled with water
- D.greased
- A.Fuel injection timing will change
- B.Nozzle operation will be unaffected
- C.Fuel will leak into the drain line
- D.Fuel will not be delivered
- A.to repair
- B.to be repaired
- C.repairing
- D.being repaired
- A.there is a minor emergency
- B.there is an actual emergency
- C.there were a minor emergency
- D.there were an actual emergency
- A.Hot bearing
- B.Starting valves
- C.Unequal distribution of load
- D.Excessive crankshaft clearance
- A.leaking exhaust valves
- B.an overloaded cylinder
- C.a clogged injector nozzle
- D.all of the above
- A.Wear rubber gloves and boots
- B.Use only approved non-conducting tools
- C.Ground the case of the machine before beginning any repairs
- D.Open the supply circuits and tag the switches
- A.programs
- B.progress
- C.members
- D.measures
- A.less internal corrosion because of lower brine density
- B.higher temperature evaporation for lower salinity of the distillate produced
- C.less scale formation in a flash evaporator
- D.less feed-water required for a flash evaporator
- A.Lobe
- B.Screw
- C.Radial piston
- D.Volute
- A.SOLAS
- B.MARPOL
- C.STCW
- D.Ballast Water convention
- A.salinometer
- B.thermometer
- C.tachometer
- D.micrometer
- A.Injection lag
- B.Lube oil dilution
- C.Pre-ignition
- D.Corrosion
- A.Glass
- B.Bakelite
- C.Soft iron
- D.Aluminum
- A.low pressure
- B.low discharge
- C.low speed
- D.high pressure
- A.too low
- B.a little lower
- C.a little higher
- D.exactly the same
- A.harder it is to extinguish
- B.easier it is to extinguish
- C.less chance there is of re-ignition
- D.easier it is to control
- A.breaking the fire chemical chain reaction
- B.smothering
- C.cooling
- D.isolating the heat from the fuel
- A.central air condition system
- B.high velocity system
- C.low velocity system
- D.single duct system
- A.high steam pressure in the boiler
- B.abnormally high feed water temperature
- C.abnormally high boiler water temperature
- D.steam demand exceeding feed pump capacity
- A.chromium-plate against wear
- B.anti-corrosion treated
- C.white metal lined against wear
- D.flame hardened against wear
- A.water in the fuel
- B.insufficient fuel for combustion
- C.clogged air intake passages
- D.burning lubricating oil
- A.reduce air charge turbulence
- B.induce air swirl
- C.deflect hot combustion gas away from the valves
- D.oppose the effects of piston induced squish
- A.Both the main steering gear and the auxiliary steering gear should be operated
- B.The alarms fitted to the remote control system should be operated
- C.The emergency generator compartment should be checked
- D.The communication system between the bridge and the steering gear compartment should be operated
- A.The hydraulic pumps
- B.Valves
- C.Hydraulic cylinders
- D.Hydraulic motors
- A.rotary/reciprocating
- B.up and down/fore and aft
- C.fore and aft /up and down
- D.up and down/rotary
- A.low viscosity index
- B.high viscosity index
- C.high neutralization number
- D.low demulsibility quality
- A.the manager
- B.your agent
- C.the PSCO
- D.the master
- A.Red
- B.White
- C.Blue
- D.Yellow
- A.White
- B.Black
- C.Blue
- D.Clear
- A.the information
- B.the formation
- C.the scatter
- D.the friction
- A.dynamically balanced
- B.statically balanced
- C.counter balanced
- D.resonantly balanced
- A.to increase
- B.to be so increased
- C.increased
- D.being so increased
- A.on top cover
- B.on sides of bowl
- C.in drain line on the discs
- D.on the discs
- A.the drive pump
- B.the drive motor
- C.the warp end
- D.the purchase
- A.the clearance of the main bearing
- B.the diameter of main bearing
- C.the hardness of main bearing
- D.the tolerance of main bearing
- A.When to bunker?
- B.Type of FO
- C.Pollution prevention measures
- D.Engineer to be responsible for
- A.failing to reach rated speed
- B.knocking under maximum load
- C.hunting or surging under light load
- D.overspeeding and running away
- A.contraction
- B.retraction
- C.expansion
- D.shrinkage
- A.a single, long-stroke, slow-speed, turbocharged, two-stroke diesel engine
- B.a single, long-stroke, medium-speed, turbocharged, four-stroke diesel engine
- C.two medium-speed, turbocharged, four-stroke diesel engines
- D.a variable-speed AC generator
- A.ships of above 200 GT to MARPOL
- B.every ship of 400 GT and above
- C.all ships
- D.ships of more than 200 GT but less 400 GT
- A.brought about
- B.caused for
- C.resulted from
- D.led
- A.excessive water in the bilges
- B.a clogged suction strainer
- C.oil in the bilges
- D.All of the above
- A.an obstruction in an cylinder
- B.water accumulation in some engine cylinders
- C.low starting air pressure
- D.low scavenge air pressure
- A.supplying high pressure oil into a hydraulic motor
- B.supplying high temperature air into the cylinder
- C.supplying high pressure air into the cylinder
- D.electrical igniting
- A.the rudder should be moved through its full extent
- B.the rudder should be moved in starboard direction
- C.the rudder should be moved with the ship at maximum speed
- D.the rudder should be moved with the ship at minimu
- 123
-
With reference to rules governing steering gear, which one of the following rules is incorrect? .
- A.It is required that all ships are provided with two independent steering gear systems that is one main and one auxiliary
- B.The auxiliary gear could be power operated in passenger ships
- C.The auxiliary gear must be of adequate strength and sufficient to steer a ship at navigable speed
- D.All moving parts of the steering gear must be guarded against any possible damage
- A.boiler drums
- B.hot wells
- C.condensers
- D.evaporators
- A.as long as
- B.unless
- C.despite
- D.till
- A.a pressure reducing valve
- B.a pilot valve
- C.an operating piston
- D.downstream pressure
- A.Constant pressure
- B.Pulse
- C.constant velocity
- D.Axial flow
- A.Thermal expansion valve frozen open
- B.Suction gas heat exchanger bypassed
- C.Condenser clogged or fouled
- D.High pressure cutout switch inoperative
- A.Control panel
- B.Load panel
- C.Paralleling panel
- D.Busbar
- A.boiling off
- B.flash evaporation
- C.condensation
- D.none of the above
- A.treating with oxygen scavengers
- B.securing the boiler and giving it a blowing down
- C.increasing the pH
- D.reducing the phosphate level
- A.shunt field
- B.circuit breaker
- C.metal framework
- D.inter-pole
- A.heat conduction into the injected fuel oil
- B.heat conduction into the water jacket wall
- C.water circulation through passages in the holder
- D.fuel oil circulation through passages in the holder
- A.Care to be not taken
- B.Care not to be taken
- C.Care to be taken not
- D.Not care to be taken
- A.centerline of the pump and the level of the liquid in the suction well when the source of liquid is below the pump
- B.centerline of the pump and the suction liquid level when the source of liquid is above the pump
- C.centerline of the pump and the level of the discharge liquid
- D.liquid levels of the suction and discharge
- A.lowering brine discharge density
- B.decreasing the absolute pressure of each stage
- C.increasing the saltwater feed heater temperature
- D.increasing the pressure at the spray pipe
- A.drop as the boiler warms up
- B.rise as the boiler warms up
- C.remain unchanged until the boiler is hot enough
- D.rise and fall with the steam demand
- A.motor overload will open
- B.relief valve will open
- C.pump will overheat
- D.motor will overheat
- A.last part of the exhaust stroke, and the first part of the intake stroke
- B.last part of the intake stroke only
- C.early part of the injection stroke only
- D.early part of the power stroke
- 140
-
Which of the motors for the devices listed below is fitted with an instantaneous overload relay?
- A.Fan
- B.Pump
- C.Winch
- D.Machine tool
- A.globe valves
- B.butterfly valves
- C.gate valves
- D.reducing valves
- A.stop
- B.start
- C.speed up
- D.slow down
- A.BRC
- B.MCC
- C.AUT-0
- D.AUT-1
- A.torque limiter
- B.over-speed trip
- C.over-speed governor
- D.load limit governor
- A.a spindle lubricator
- B.an oil jet
- C.internal splashing
- D.drilled passages in the crankshaft
- A.a short length of heavy duty clear plastic tubing
- B.a length of approved flexible nonmetallic hose
- C.welded flange connections for all joints
- D.aluminum piping with expansion loops
- A.the faster it will evaporate
- B.the slower it will condense
- C.the slower it will evaporate
- D.the faster it will flow
- A.the rotate speed fluctuation
- B.the ventilation tube clogged
- C.the main engine accelerate so fast
- D.stormy waves
- A.class "A" fires
- B.class "B" fires
- C.class "C" fires
- D.class "D" fires
- A.chemical analysis
- B.back pressure readings
- C.pyrometer readings
- D.infrared analysis
- A.1
- B.2
- C.4
- D.8
- A.bowl periphery
- B.bowl center
- C.upper surface
- D.lower surface
- A.take no measures
- B.extinguish the fire as soon as possible
- C.feed water to the boiler
- D.open the blow down valve
- A.the detailed security-related requirements
- B.guidelines to meet security-related requirements
- C.the detailed security-related requirements and the guidelines to meet them
- D.how to run a shipping company considering the potential terrorism action
- A.10
- B.15
- C.20
- D.30
- A.the starting air distributor
- B.the cut-off valve on the air main
- C.the main starting valve
- D.the air bottle control valve
- A.low ignition quality
- B.a high volatility
- C.low ignition delay
- D.a high cetane number
- A.safety valve
- B.blow down valve
- C.scum valve
- D.feed check valve
- A.the beveled edges of the intake valves provide for serf-centering during seating
- B.intake valves utilize stellite-coated valve seat inserts which reduce wear
- C.the volume of air passing through intake valves is less than the volume of air passing through exhaust valves
- D.intake valves are less affected to the corrosive action of exhaust gases
- A.decreased piston to cylinder head clearance
- B.increased exhaust system back pressure
- C.early fuel injection timing
- D.low scavenge air temperature
