A.is made to circulate out of the system
B.is made to circulate within the system
C.is made circulate within the system
D.is made circulate out of the system
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A.Hash point
B.Viscosity
C.Pour point
D.Cetane number
A.viscosity
B.flash point
C.cetane number
D.calorific value
A.Air must be admitted；without
B.Oil must be injected；without
C.Air must be admitted；with
D.Oil must be injected；with
A.gives up large amount of heat
B.gives off large amount of heat
C.gives up large amount of steam
D.gives off large amount of steam
A.to fuel oil instead of diesel oil
B.for fuel oil instead of diesel oil
C.to diesel oil into fuel oil
D.for diesel oil into fuel oil
最新試題
The highest pressure in a diesel engine cylinder normally occurs （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
The main purpose of the piston oil scraper rings is to （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
A thrust bearing is used with a propulsion diesel engine to （）.