When receiving by
When received by
In order to receiving
In order to receive
第1题：
Steam smoke will occur when ______.
A.extremely cold air from shore passes over warmer water
B.warm dry air from shore passes over cooler water
C.cold ocean water evaporates into warm air
D.cool rain passes through a warm air mass
第2题：
Convection spreads a fire by ______.
A.heated gases flowing through ventilation systems
B.the transfer of heat across an unobstructed space
C.burning liquids flowing into another space
D.transmitting the heat of a fire through the ship’s metal
第3题：
Each cylinder is closed at the top by a _____, made of a special heat-resistant steel.
A.cylinder liner
B.coupling flange
C.cylinder cover
D.piston crown
第4题：
heated gases flowing through ventilation syetem
the transfer of heat across an unobstructed space
burning liquids flowing into another space
transmitting the heat of a fire through the ships metal
第5题：
mechanical lubricator
lubrication function
forced feed system
bearing lubrication
第6题：
The most serious effect of air trapped in a diesel engine jacket water cooling system is that it ______．
A.Causes colloid suspension in the cooling water
B.Reduces the capability of the lubrication system
C.Can form pockets which block the flow of coolant through the system
D.Leads to the scuffing of cylinder walls
第7题：
conduction
convection
radiation
windage
第8题：
Which of the following statements represents the function of the compression rings installed at the top of a diesel Engine piston?
A.Control the amount of lube oil burned in the combustion chamber
B.Transmit heat from the piston to the cylinder liner
C.Prevent damage to ring groove inserts by acting as a heat dam
D.Dissipate combustion chamber gas pressure by channeling it through the ring gap
第9题：
Control the amount of lube oil burned in the combustion chamber
Transmit heat from the piston to the cylinder liner
Prevent damage to ring groove inserts by acting as a heat dam
Dissipate combustion chamber gas pressure by channeling it through the ring gap
第10题：
transmitting the heat of a fire through the ships metal
burning liquids flowing into another space
heated gases flowing through ventilation systems
the transfer of heat across an unobstructed space