A.increase the fuel oil temperature
B.decrease the fuel oil temperature
C.decrease the fuel oil supply pressure
D.increase the air supply
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With regards to a diesel engine crankcase explosion, the most violent is the（）
(1) primary explosion
(2) secondary explosion
A.(1) only
B.(2) only
C.both (1) and (2)
D.neither (1) or (2)
A.increased heat transfer
B.fireside erosion
C.high steam demand
D.overheated tubes
A.gas composition
B.gas temperature
C.pressure
D.timing
A.push rods
B.chain drives
C.rocker arms
D.flywheels
A.provide steam for emergency propulsion
B.provide steam for the turbo-generator
C.heat the waste water tanks
D.steam for warming engines
最新試題
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
Maximum horsepower of a diesel engine is attained （）.
A thrust bearing is used with a propulsion diesel engine to （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
Diesel engine control can be obtained by the bridge （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
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?（）
In using reduction gears to obtain efficient propeller speeds, （）.