A.a worn cylinder
B.broken piston rings
C.any of A and B
D.none of the above
您可能感興趣的試卷
你可能感興趣的試題
Leaky exhaust valve will result in which of the following?（）
(1) high exhaust temperature;
(2) low compression pressure;
(3) low firing pressure.
A.(1) and (2)
B.(1) only
C.(2) only
D.(1),(2) and (3)
A.cylinder liners and piston rings
B.main bearings
C.crankpin bearings
D.turboblower
A.well ventilated
B.well clean
C.in good order
D.more room
A.present
B.prevent
C.avoid
D.provide
A.is scavenged
B.has been scavenged
C.be scavenged
D.was scavenged
最新試題
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
What is the function of the thrust bearing?（）
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
Diesel engine control can be obtained by the bridge （）.
Maximum horsepower of a diesel engine is attained （）.
The main purpose of the piston oil scraper rings is to （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.