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輪機(jī)英語船舶電氣與船舶安全章節(jié)練習(xí)(2018.03.15)

單項(xiàng)選擇題
Which of the following operations aboard a tanker must be recorded in the Oil Record Book （）
A.Any internal transfer of oil cargo during a voyage
B.The discharge overboard in port or at sea of any bilge water accumulated in machinery spaces
C.The loading or unloading of any or all oil cargo
D.All of the above
單項(xiàng)選擇題
If a fire ignites in the engine room as a result of a high pressure fuel oil leak, you should FIRST （）.
A.secure the ventilation
B.find a soda acid extinguisher
C.shut off the fuel oil supply
D.secure the generator
單項(xiàng)選擇題
The cetane number of a diesel fuel oil indicates its（）
A.Viscosity
B.acid content
C.heating value
D.ignition quality
單項(xiàng)選擇題
Simplex tailshaft seal equipment’s working condition is terribleThe main cause is （）
A.the shafting’s vertical vibration
B.violent friction and sea water corrosive
C.friction and high temperature
D.violent friction and high temperature
單項(xiàng)選擇題
If you notice smoke coming fro the crankcase exhaust fan outlet of an operating diesel engine, you would suspect（）
A.a cracked cylinder liner
B.clogged intake ports
C.broken piston rings
D.a faulty head gasket
單項(xiàng)選擇題
One of function of diesel engine lubricating oil is to （）
A.induce carbon formation on cylinder walls
B.improve fuel penetration in the combustion space
C.form a friction reducing film between mating surfaces
D.lubricate the fuel injection
單項(xiàng)選擇題
A diesel engine may be hard to start if the （）
A.air intake is restricted
B.engine is cranked too fast
C.vibration dampener is faulty
D.exhaust back pressure is low
單項(xiàng)選擇題
（）is a series of trials done at sea to determine whether the ship has met the specifications of design, modification, or repair.
A.SEA WORTHINESS
B.SEA TRIALS
C.TRIAL-AND-ERROR
D.DOCK TRIALS
單項(xiàng)選擇題
Fuels of different qualities may require advancing or retarding the injection timing, in addition to which if the injection timing is advanced when the engine is running at loads below the （）, then a saving in fuel can be achieved.
A.BHP
B.MCR
C.IHP
D.MEP
單項(xiàng)選擇題
The humidifier’s valve of air-condition should be （）, when the temperature is lower than 0℃.
A.decreased
B.increased
C.fixed
D.closed