During the power stroke of a four-stroke/cycle diesel engine, most of the side thrust of a trunk-type piston is absorbed by the()
- Apiston skirt
- Bpinion
- Ccrosshead
- Dcompression ring
During the power stroke of a four-stroke/cycle diesel engine, most of the side thrust of a trunk-type piston is absorbed by the()
1、In the cylinder head of a two-stroke/c
In the cylinder head of a two-stroke/cycle diesel engine, valves are used for()Aair intakeBa fuel outletCcooling water inletsDexhausting combustion ga
2、During a storm,the chance of fatigue f
During a storm,the chance of fatigue failure of a mooring line will increase as().Avessel motions increaseBmooring tensions decreaseCKG increasesDKG decrease
3、The effective stroke of a constant-str
The effective stroke of a constant-stroke, individual, fuel injection pump is varied by the ().Acontrol rackBdelivery valveCgovernor speedDplunger crossbar
4、The process of scavenging a two-stroke
The process of scavenging a two-stroke/cycle diesel engine serves to()Aimprove fuel flow volumeBcool the exhaust valvesCreduce the intake air charge densityDincrease the temperature of exhaust gase
5、The power factor is a measure of the p
The power factor is a measure of the phase difference between voltage and current and is expressed as the() of the phase angle.AsineBcosineCtangentDcotangent
6、If the turbocharger of a four-stroke/c
If the turbocharger of a four-stroke/cycle diesel engine fails to operate, which of the following statements best describes the probable effect?...