A.low specific heat
B.corrosive action
C.high expense
D.acid property
您可能感興趣的試卷
你可能感興趣的試題
A.injecting fuel oil into a cylinder
B.removing exhaust gases from the cylinder
C.forcing air into the cylinders under pressure after the exhaust valve has dosed
D.a combination of all the above
A.the suction
B.the compression
C.the removal
D.the deliver
A.governor
B.safety valve
C.reducing valve
D.feed water regulator
A.automatic
B.local
C.remote
D.manual
A.make sure
B.be sure
C.assure
D.believe
最新試題
A thrust bearing is used with a propulsion diesel engine to （）.
In a simple mechanical governor, the （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
To determine if the lube oil filter elements need changing, （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
Lube oil cannot be efficiently filtered if its （）.
Maximum horsepower of a diesel engine is attained （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
Routine monitoring of a diesel engine should include （）.