A.safety valve
B.indicator cock
C.blow-down valve
D.start valve
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A.the exhaust valve
B.the starting air
C.the inlet valve
D.the fuel oil
A.to protect
B.to guard
C.to maximize
D.to minimize
A.will be speeded up
B.should be slowed down
C.must slow down
D.have to be slow down
A.the trunking should be opened up
B.should the trunking be opened up
C.the trunking should not be opened up
D.should the trunking not be opened up
A.cooling jacket
B.cylinder liner
C.piston crown
D.cylinder cover
最新試題
The main purpose of the piston oil scraper rings is to （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.
Combustion knock occurring in a diesel engine can be caused by （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
The function of diesel engine piston compression rings is to （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.