我
- A.deliver proper fuel quantity to the injection nozzle
- B.provide rapid fuel injection cutoff
- C.control fuel quantity entering the pump body
- D.control fuel pressure delivered to the combustion chamber
- A.conductivity
- B.viscosity
- C.volume
- D.specific gravity
- A.Exhaust and scavenging
- B.Scavenging and compression
- C.Ignition and expansion
- D.Exhaust and compression
- A.in the presence of oxygen
- B.without oxygen
- C.in the presence of nutrition
- D.without nutrition
- A.provide added wear protection against today’s corrosive quality of fuel
- B.increase overall valve strength due to the high gas pressures
- C.assist in dissipating heat due to the extreme operating temperatures
- D.reduce the overall weight of the valve thus helping eliminate valve spring surge and hammering
- A.more than the working temperature
- B.less than the working temperature
- C.the working temperature
- D.the same as the surrounding temperature
- A.changed accordingly
- B.unchanged
- C.positioned ahead
- D.positioned astern
- A.restriction in refrigerant piping
- B.air and non-condensable gases in the condenser
- C.water in the refrigerant
- D.flooding back of liquid refrigerant from the evaporator
- A.Posting posters illustrating practices
- B.Showing video tapes of actual accidents
- C.Incorporating safety practices in daily routine
- D.Publishing comprehensive safety rules
- A.correct maneuvering
- B.wear
- C.working efficiency
- D.maintenance
- A.latent heat of vaporization
- B.sensible heat
- C.refrigerating effect
- D.specific heat of vaporization
- A.power output
- B.friction and wear
- C.indicated pressure
- D.rated horsepower
- A.has a crown-face
- B.exceeds wear limits through normal wear
- C.has excessive blow-by
- D.is in good condition
- A.when the engine RPM is pulled down by overload
- B.at rated engine RPM
- C.at 95 % of rated engine RPM
- D.at 95 % of a properly adjusted governor RPM with the engine under full load
- A.high exhaust temperature and low firing pressure
- B.high exhaust temperature and high firing pressure
- C.low exhaust temperature and low firing pressure
- D.low exhaust temperature and high firing pressure
- A.Sub-cooled liquid
- B.Sub-cooled vapor
- C.Superheated vapor
- D.Liquid
- 17
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During bunkering, the request for stoppage of pumping shall be made, as a rule, 5 minutes ______.
- A.ago
- B.before
- C.ahead
- D.front
- A.an increased flash point
- B.higher lube oil pressures
- C.an increased viscosity
- D.lower lube oil pressures
- A.plugging all scuppers and drains
- B.placing floating booms around the ship
- C.regularly emptying all drip pans
- D.thoroughly draining all bunkering hoses
- A.remain constant along the tubes length
- B.be greatest in a single pass counter flow heat exchanger
- C.remain constant throughout the heat exchanger
- D.vary from section to section through out the heat exchanger
- A.continue to be responsible for machinery space operations despite the presence of the C/E
- B.hand over the responsibility actively
- C.be responsible for the watching together with the chief engineer
- D.assistant the chief engineer to control the machinery
- A.regulating the oil flow with the six-way valve
- B.moving the automatic differential valve
- C.moving the receiving tele-motor which regulates the two-way valve
- D.varying the angle of a tilting box or eccentricity of a floating ring
- A.slightly acidic
- B.slightly alkaline
- C.no salty
- D.slightly bitter
- A.5
- B.3
- C.2
- D.1
- A.alkalescence
- B.acidity
- C.salinity
- D.impurity
- A.out of accordance with
- B.in relation to
- C.in conformity with
- D.in connection with
- A.to a great extent
- B.on a great extent
- C.on mainly
- D.on only
- A.through bolts
- B.jack bolts
- C.tap bolts
- D.fitted bolts
- A.sudden evaporation of wax crystals in the lubricant
- B.sudden evaporation of entrapped air in the lubricant
- C.release of refrigerant from the oil/refrigerant mixture
- D.release of dissolved lubricant from the refrigerant
- A.I only
- B.II only
- C.both I and II
- D.neither I nor II
- A.Heats
- B.Heating
- C.To heat
- D.Heated
- A.interlocked
- B.interconnected
- C.interfered
- D.interacted
- A.reduce the engine load
- B.increase the cooling water flow
- C.increase the lube oil pressure
- D.adjust the fuel rack
- A.slightly opened
- B.throttled
- C.fully opened
- D.halfway opened
- A.in entrance
- B.in exit
- C.in the upper part
- D.on the outside 新题
- A.bearing pressure in a four-stroke\cycle acting single diesel engine is continually reversed
- B.bearing pressure in a two-stroke\cycle single acting diesel engine is continually reversed
- C.the maximum bearing pressure is higher in a single acting two-stroke/cycle diesel engine
- D.two-stoke/cycle diesel engines require more complicated lubrication piping
- A.air turbulence
- B.fuel penetration
- C.fuel spray angle
- D.fuel injection rate
- A.to fill 2 tanks at the same time
- B.to use pump at a higher pressure
- C.to return liquid to suction side if discharge valve is closed
- D.All of the above are true
- A.should be paved
- B.should be cleaned
- C.should be dismantled
- D.should be welded
- A.Finished with Engine
- B.Stop the Engine
- C.Stand-by Engine
- D.Slow-down Engine
- A.discharge exhaust gases and smoke
- B.furnish energy to the turbocharger
- C.reduce engine room noise
- D.all of the above
- A.slowly carried away
- B.carried out with a period of delay
- C.promptly carried out
- D.paid by the captain
- A.① only is correct
- B.② only is correct
- C.both ① and ②are correct
- D.neither ① or ② correct
- A.the company
- B.the Government of the country
- C.the organization recognized by the Administration
- D.the IMO
- A.open the watertight door and take a quick look
- B.open the hatch dogs on the side away from the hinges
- C.tap the bulkhead with a hammer to check for a water level
- D.feel the bulkhead to see if it is hot
- A.An increase in compression ratio will increase the ignition lag
- B.An increase in compression ratio will decrease the ignition lag
- C.A decrease in compression ratio will decrease the ignition lag
- D.A decrease in ignition lag will increase the compression ratio
- A.24 hours
- B.2 hours
- C.1 hours
- D.15 minutes
- A.Clean all electrical connections
- B.Lift the relief valves by hand
- C.Inspect and clean all solenoid valves
- D.Inspect for oil and water leaks
- A.a clogged filter element
- B.excessive lube oil pump discharge pressure
- C.excessive lube oil flow
- D.excessively hot lube oil
