我
- A.ice
- B.wooden board
- C.iron plate
- D.cotton waste
- A.expand
- B.evaporate
- C.condense
- D.distil
- A.Piston pump
- B.Screw pump
- C.Diffuser pump
- D.Water-ring pump
- A.a dirty lube oil strainer
- B.internal water leaks
- C.an oil suction line restriction
- D.excessive wears of the cooling water pump
- A.excessive lube oil pressure
- B.the proper seating of new rings
- C.a worn cylinder liner
- D.a malfunctioning cylinder relief valve
- A.AC voltage to the armature
- B.AC voltage to the field
- C.DC voltage to the armature
- D.DC voltage to the field
- A.0°F
- B.18 °F
- C.32 °F
- D.50 °F
- A.Sea water is heated to boiling temperature while under a vacuum
- B.Sea water is passed over heated plates in a thin film
- C.Heated sea water is injected into a vacuum chamber
- D.Sea water is forced through a heated eductor
- A.A cut-off lever
- B.A swivel block
- C.A cross-head
- D.A driving gear
- A.the more
- B.the higher
- C.the lower
- D.the highest
- A.by injection pumps
- B.at a time decided by the injection pump timing
- C.by a signal opening the magnetic valves
- D.at a time decided by the cam directly
- 12
-
Some chloronated flourocarbon refrigerants may decompose into a toxic irritating gas if it is _____.
- A.stored at temperatures below 60 degrees Fahrenheit
- B.charged into a system having copper fittings
- C.allowed to mix with compressor oil
- D.exposed to an open flame or hot surface
- A.if there is sufficient oxygen to support life
- B.the toxicity of flammable gases or vapors
- C.the amount of CO2 present in flue gas
- D.the presence of flammable gases or vapors in the air
- A.Wear
- B.Contaminating
- C.Coalescence
- D.Coarse separating
- A.viscosity is too low
- B.temperature is too low
- C.pump discharge pressure is higher than the systems pressure
- D.pump capacity is greater than the systems needs
- 16
-
The cylinder covers and the liners are bolted together by means of studs _____ the cylinder frames.
- A.screwing into
- B.being screw on
- C.to screw on
- D.screwed into
- A.Records for ground garbage disposal are not required when disposal into the sea occurs more than 25 miles offshore
- B.Discharging or transfer of garbage while in port to a shore facility must he recorded
- C.Maintaining records for the incineration of garbage aboard ship is not required
- D.The recording of garbage disposal should include the approximate weight
- A.ignition lag
- B.engine horsepower
- C.lube oil system pressure
- D.specific fuel consumption
- A.acid
- B.sludge
- C.mechanical impurity
- D.salinity
- A.the International Convention for the Safety of the Life at Sea
- B.the International Convention for the Prevention from ships
- C.the International Convention on Standards of Training, Certification and Watch keeping for Seafarers
- D.the International Convention for the Control and Management of Ship’s Ballast Water and Sediments
- A.Feed-water heater internal tube surfaces
- B.Internal distillate cooler tubes
- C.Flash chamber vertical surfaces
- D.Distilling condenser tubes
- 22
-
The sealing rings are in four parts and pressed together around the piston rods by means of _____
- A.nuts
- B.bolts
- C.coil springs
- D.stuffing boxes
- A.As long as
- B.As far as
- C.As well as
- D.Unless
- A.control air system
- B.forced draft air system
- C.supply air system
- D.ships service air system
- A.length increases
- B.cross-sectional area increases
- C.temperature increases
- D.percent of metallic purities increases
- A.transmitting the heat of a fire through the ship s metal
- B.burning liquids flowing into another space
- C.heated gases flowing through ventilation systems
- D.the transfer of heat across an unobstructed space
- A.liquid
- B.steam
- C.gas
- D.electricity
- A.expansion valve to the compressor
- B.receiver to the expansion coil
- C.expansion valve to the evaporator
- D.condenser to the expansion valve
- A.the lubricating oil consumption
- B.the turbine blade temperature
- C.the flow rate of fuel
- D.scavenge air pressure
- 30
-
A carbon dioxide fire extinguisher has been partially discharged, and should be immediately _____.
- A.tagged and restowed properly in its rack
- B.weighed and the charge loss recorded
- C.given to the chief engineer for recharging
- D.tagged "empty" and stowed separately from charged extinguishers
- A.hard starting
- B.excessive fuel consumption
- C.loss of power
- D.all of the above
- A.canister-type gas mask
- B.fresh-air breathing apparatus
- C.self-contained breathing apparatus
- D.combustible gas indicator
- A.bilge well connected to that valve, plus the second bilge well being pumped will be completely emptied
- B.bilge system will lose vacuum and prevent the other bilges from being pumped out
- C.bilge well aft connected to that valve will siphon its contents to the forward bilge wells
- D.discharge pressure will be too high
- A.high combustion temperature
- B.high compression pressure
- C.cracked cylinder liner
- D.fuel with a high vanadium content
- A.ISM
- B.DOC
- C.SMC
- D.PSC
- A.100 rpm
- B.200 rpm
- C.300 rpm
- D.500 rpm
- A.fuel tank
- B.bilge
- C.atmosphere
- D.auxiliary exhaust line
- A.stop valves
- B.check valves
- C.safety valves
- D.reducing valves
- A.To test the starting system
- B.To remove air bubbles from the jacket water
- C.To ensure that the lube oil system delivers pressure
- D.To ensure foreign material (water etc) is not present in the cylinders
- A.it has a longer power stroke
- B.more air gets into the cylinder each stroke
- C.it develops twice as many power strokes at the same speed
- D.higher combustion pressure is developed
- A.ignite
- B.explode
- C.asphyxiate
- D.vaporize
- A.failure of the proper operation of the main steering gear
- B.failure of the proper operation of electrical installations
- C.leakage of domestic water pump
- D.insulation of exhaust pipes in engine room contaminated by oil
- A.a cracked cylinder head
- B.a leaky cylinder head gasket
- C.a cracked cylinder liner
- D.any of the above
- A.compressed air
- B.hydraulic oil
- C.electricity
- D.All of the above
- A.filter to remove the fuel oil
- B.use the settler to remove the fuel oil
- C.remove the fuel oil by centrifuging
- D.drain and then renew the lube oil supply
- A.CPP
- B.FPP
- C.PSC
- D.FSC
- A.reduce fuel weight
- B.increase specific gravity
- C.separate fuel from lube oil
- D.reduce fuel viscosity
- A.lower than
- B.higher than
- C.as same as
- D.better than
- A.require ballast added to only the port side tanks
- B.be down by the head
- C.sink
- D.float
- A.the crosshead
- B.the journals of the crosshead
- C.the crosshead shoes
- D.the guides
- A.set for maximum torque
- B.on the purge and vent stroke
- C.in the neutral position
- D.rotating backwards
- A.Simplex
- B.Duplex
- C.Canister
- D.Bypass
- A.sufficient quantity / measured
- B.measured quantity/sufficient
- C.excessive quantity/sufficient
- D.the less quantity the better/the more the better
- 55
-
Bad valves operation of the reciprocating air compressors can be detected by observation of _____.
- A.the discharge temperature low
- B.the discharge temperature high
- C.the discharge pressure rise
- D.the inter-stage pressure low
- A.locate the fire
- B.determine which type of fire is burning
- C.sound the alarm
- D.fight the fire
- A.bunker at a normal rate
- B.check for kinks in hose
- C.close valves slowly
- D.shut valves before topping off
- A.clockwise, due to the bowl rotating clockwise
- B.clockwise, due to the bowl rotating counterclockwise
- C.counterclockwise, due to the bowl rotating clockwise
- D.counterclockwise, due to the bowl rotating counterclockwise
- A.warm-up allows the hydraulic system to become charged with oil
- B.warm-up allows the relief valves to be properly tested
- C.hydraulic strainers operate only during the warm-up period
- D.hydraulic fluid must be at the proper viscosity
- A.send
- B.sends
- C.was sent
- D.were sent
- A.result in decreased acceleration time only
- B.lower the starting current and increase accelerating time
- C.cause a greater starting torque
- D.increase the starting current and pump capacity
- A.fuel control rack had admitted excessive fuel
- B.engine speed does not match the fuel rack setting
- C.engine has failed to reach its firing speed
- D.starter pinion and ring gear contact is not correct
- A.back of the vessel
- B.the middle portion of a ship
- C.a backward movement of a vessel
- D.across the ship, at right angles to the fore-and-aft centerline
- A.intercooler
- B.compressor
- C.cylinder
- D.open air
- A.water in the fuel
- B.cold lube oil
- C.excessive starting air pressure
- D.excessive fuel pressure
- A.excessive fuel oil temperature
- B.long periods of engine overload
- C.metallic contact between nozzles and cylinder heads
- D.hard carbon deposit and varnish on the nozzles
- A.informative note
- B.consignment note
- C.store booklet
- D.maintenance book
- A.liquid strainer
- B.liquid receiver
- C.saltwater condenser
- D.evaporator
- A.dial indicator
- B.outside caliper
- C.bridge gauge
- D.tram rod
- A.Dry chemical
- B.Halon
- C.Low velocity fog
- D.Steam
- A.30 liters per nautical mile
- B.15 liters per nautical mile
- C.30 ppm
- D.15ppm
- A.Water is heated into vapor on heating surfaces
- B.Water is vaporized by pressure difference
- C.There are no heating-transfer surfaces
- D.There are more heating-transfer surfaces
- A.pressure
- B.velocity
- C.gravity
- D.viscosity
- A.a ship
- B.a company
- C.a charterer
- D.a manager
- A.nonexistent
- B.for controlling pressure
- C.for controlling superheat
- D.for controlling the solenoid valve
- A.proper combustion
- B.water in the fuel
- C.excess air
- D.cold fuel oil
- A.plastic
- B.metal
- C.stainless steel
- D.copper
- A.secure the fuel manifold
- B.shut off power to the pump
- C.shut off the power ventilation
- D.spray water on the fire
- A.evaporation
- B.frosting
- C.condensing
- D.compressing
- A.prevent soot fires in the exhaust system
- B.prevent exhaust gas erosion of the tubes
- C.increase the velocity of exhaust gas flow
- D.increase the rate of heat transfer
- A.Cargo winches
- B.Mooring winches
- C.Windlasses
- D.Cargo hatches
- A.series with a circuit
- B.parallel with a circuit
- C.series-parallel with a circuit
- D.delta with the shunt
- A.The two objects must be in physical contact
- B.The two objects must be the same size
- C.There must be an existing temperature differential
- D.There must be an existing weight differential
- A.prevent the windings from becoming brittle
- B.prevent moisture from condensing in the windings during shutdown
- C.prevent acidic pitting of the slip rings
- D.keep the lube oil warm for quick starting
- A.jacket water
- B.make-up water
- C.boiler water
- D.flushing water
- A.current flow in a circuit
- B.voltage between two points in a circuit
- C.circuit continuity
- D.power
- A.the SOLAS Convention
- B.the MARPOL Convention
- C.the STCW Convention
- D.the LIAD LINE Convention
- A.pressure
- B.temperature
- C.density
- D.volume
- A.number of turns of wire in the armature coil
- B.number of magnetic poles
- C.strength of the magnets used
- D.output voltage
- A.the thrust pads are while metal faced on both sides
- B.the thrust pads are while metal faced only on the forward side
- C.the thrust pads are while metal faced only on the after side
- D.intermediate shaft usually supported by a plummer block
- A.over-speeding
- B.overload
- C.low exhaust temperature
- D.high crankcase pressure
- A.dividing walls
- B.divided walls
- C.dividing liners
- D.divided jackets
- A.prevent any lubricant from reaching
- B.prevent excessive lubrication from reaching the combustion space
- C.Provide metal-to-metal contact to seal the cylinder against blow-by
- D.assure a positive means of scraping carbon accumulation from the cylinder
- A.spur geared
- B.screw geared
- C.worm geared
- D.belt driven
- A.compensate for major leaks in the system
- B.maintain the original fluid viscosity
- C.allow for changes in pressure and temperature within the system
- D.assure constant fluid temperature
- A.Pump only if the discharge is led to a shore tank or barge
- B.Pump only during the hours of darkness
- C.Pump only on the outgoing tide
- D.Pump only as much as is necessary
- A.ahead or astern
- B.fore or aft
- C.up or down
- D.speed or direction
- A.a two-stroke engine can’t work without cylinders
- B.a two-stroke engine can’t work without pistons
- C.a two-stroke engine can’t work without crankshafts
- D.a two-stroke engine can’t work without a blower
- A.Cooling system
- B.Alarm system
- C.The air conditioning installation
- D.The mooring equipment
- A.without the necessity of manually adjusting the lines
- B.without the necessity of automatically adjusting the lines
- C.with the necessity of manually adjusting the lines
- D.with the un-necessity of automatically adjusting the lines
- A.voyage repairs
- B.routine docking
- C.damage repairs
- D.conversion
- A.bowl periphery
- B.bowl center
- C.upper surface
- D.lower surface
- A.the master
- B.the chief engineer
- C.the officer on duty
- D.the engineer in charge of watch
- A.account as
- B.account for
- C.account to
- D.account of
- A.atop the piston crown
- B.beneath the piston crown
- C.at the base of the piston skirt
- D.inside the cylinder liner cooling water jacket
- A.secure the ventilation
- B.find a soda acid extinguisher
- C.shut off the fuel oil supply
- D.secure the generator
- A.no operation procedures for the oil separators
- B.engine log book missing
- C.the master and the chief engineer are unable to communicate effectively
- D.absence of an up-date muster list
- A.incorrect injection timing
- B.low exhaust back pressure
- C.floating exhaust valves
- D.excessive cranking speed
- A.check valve
- B.non-return valve
- C.steam trap
- D.quick closing trap
- A.a mark
- B.a bolt
- C.a dowel pin
- D.a measuring tool
- A.vaporize, with the un-flashed water remaining at the temperature at which it entered the flash chamber
- B.vaporize, with the un-flashed eater equalizing to the saturation conditions existing in the f lash chamber
- C.vaporize, with the remaining water a t a temperature greater than it entered the flash chamber
- D.boil, allowing steam bubbles to rise through the brine at the bottom of the flash chamber
- A.piston rings
- B.valve guides
- C.valve seals
- D.all of the above
- A.additives
- B.behavior.
- C.coolant
- D.desiccant
- A.The reservoir would become vapor bound
- B.The valve would be placed in hydraulic lock
- C.The spring loaded relief ports would open
- D.The buffering chambers would be unable to function
- A.Indicated exhaust pressure readings will increase
- B.Pyrometer responses will be retarded
- C.Indicated cylinder temperature readings will increase
- D.Indicated firing pressure readings will increase
- A.water in the fuel oil
- B.broken high tension leads
- C.incorrect electrode setting
- D.full fuel pressure at the nozzle
- A.flame relief valve
- B.flame stopper
- C.safety valve
- D.flame arrester
- A.During operation at low speed
- B.During operation at rated speed, but low power output
- C.During acceleration
- D.All of the above
- A.An alternator
- B.fresh water generator
- C.A compressor
- D.A clarifier
- A.make clear of your authority
- B.make friends with ships crew
- C.call the first engineer if there is a problem
- D.call the master if there is a problem
- A.engine overload
- B.low combustion temperature
- C.plugged fuel nozzle holes
- D.excessive compression pressure
- A.alternator
- B.turbo-charger
- C.remote controller
- D.windlass
- A.a cracked liner
- B.burning lube oil
- C.an overloaded engine
- D.insufficient combustion air
- A.weight designation
- B.viscosity index
- C.pour point
- D.thermal change value
- A.A capstan
- B.A hold
- C.A warp end
- D.A mooring drum
- A.cylinder liner
- B.cylinder cover
- C.the gear box
- D.the scavenging box
- A.An air receiver
- B.An operating valve
- C.An automatic valve
- D.An air distributor
- A.vacuum pressure
- B.specific gravity
- C.heat
- D.viscosity
- A.excessive time required for warming-up
- B.excessive freshwater corrosion
- C.scale formation on the saltwater side
- D.saltwater mixing with the freshwater
- A.eliminate slippage
- B.provide excitation
- C.provide starting torque
- D.increase efficiency
- A.a liquid
- B.a pressure
- C.a temperature
- D.none of the above
- A.in which
- B.on which
- C.to which
- D.by which
- A.special precautions to deal with heat
- B.engine room safety procedures such as earmuffs, safety glasses, work clothes
- C.emergency escapes
- D.the location of safety equipment around the ship
- A.ammeter
- B.voltmeter
- C.synchroscope
- D.A+B+C
- A.anemometer
- B.potentiometer
- C.manometer
- D.psychrometer
- A.pressure oil
- B.pressure water
- C.compressed air
- D.cooling water
- A.copper and antimony
- B.steel and babbitt
- C.aluminum or beryllium alloy
- D.zinc or an alloy of tin and lead
- A.Constant inspection
- B.Keeping constant load
- C.Remaining constant temperature
- D.varying speed
- A.used in either the fully dosed or fully opened position
- B.installed with the stem down
- C.used for steam service only
- D.used to throttle or regulate the flow of liquid
- A.reduce fuel feeding
- B.increase fuel feeding
- C.keep original fuel feeding
- D.be overspeed
- A.an International Ship Security Certificate
- B.an International Oil Pollution Certificate
- C.a Safety Management Certificate
- D.an International Ballast Water Management Certificate
- A.one
- B.two
- C.three
- D.four
- A.Navigation lamp
- B.Windlass
- C.Main sea water pump
- D.Compressor
- A.improperly seating intake valves
- B.leaking cylinder liner seal rings
- C.late fuel injection timing
- D.carbon deposits on the piston
- A.pressure
- B.temperature
- C.volume
- D.specific gravity
- A.SOLAS
- B.MARPOL
- C.STCW
- D.Ballast Water convention
- A.tie rods
- B.through bolts
- C.lead wires
- D.bearing caps
- 148
-
_____ is sometimes used for piston cooling since leaks into the crankcase would not cause problems.
- A.Diesel oil
- B.Hydraulic oil
- C.Lube oil
- D.Mineral oil
- A.piston
- B.fuel injection pump
- C.crankshaft
- D.oil can
- A.to need
- B.ready for
- C.want to
- D.going to be
- A.Energy can be created or destroyed
- B.Energy may not be transformed
- C.The total quantity of energy in the universe is always the same
- D.None of the above
- A.run at an irregular speed
- B.create high lube oil temperature
- C.cause the engine to over-speed
- D.cause blue smoke in the exhaust
- 153
-
Before starting a diesel engine that has an engine driven lube oil pump, the engineer should _____.
- A.open the bypass line
- B.cut in the lube oil cooler
- C.pressurize the lube oil system
- D.top off the expansion tank
- A.both generate alternating voltages
- B.both rectify the voltage before delivery
- C.are constructed at the same physical size for the same kilowatt rating
- D.both supply three-phase power
- A.the splashing of lubrication oil by the crankshaft
- B.the dilution of crankcase oil with particles of combustion
- C.broken fuel lines spraying oil on the crankcase
- D.the ignition of unburned fuel and air in the crankcase
- A.Sealed motors
- B.Drip proof motors
- C.Enclosed motors
- D.Watertight motors
- A.air chamber
- B.head lank
- C.primer
- D.prime mover
- A.firing pressure
- B.exhaust temperature from a particular cylinder
- C.cooling water temperature
- D.compression pressure
- A.dehydrated
- B.purged
- C.plugged
- D.evacuated
- A.(1) only
- B.(1) and (2)
- C.(1), (2) and (3)
- D.(2) and (3)
