A.recirculating
B.total loss
C.cooling
D.refrigeration
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A.a setting tank
B.a service tank
C.a head tank
D.an expansion joint
The working cycle of a four-stroke diesel engine consists of four events:（）
(1) compression
(2) expansion
(3) exhaust
(4) suctionThe correct sequence is
A.(4)-(2)-(3)-(1)
B.(4)-(3)-(1)-(2)
C.(4)-(3)-(2)-(1)
D.(4)-(1)-(2)-(3)
A.precautions
B.rpm
C.indicator cards
D.B and C
A.repair list
B.spare parts order list
C.price list
D.bunker list
A.correct maneuvering
B.wear
C.working efficiency
D.maintenance
最新試題
To determine if the lube oil filter elements need changing, （）.
An automated diesel engine should normally shut down due to （）
The highest pressure in a diesel engine cylinder normally occurs （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
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 （）.
Maximum horsepower of a diesel engine is attained （）.
Diesel engine control can be obtained by the bridge （）.
The main purpose of the piston oil scraper rings is to （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.