The cylinder head, cylinder liner and

1、The space between cylinder liner and j

The space between cylinder liner and jacket is called （）.Athe circulating tankBthe scavenge boxCthe cooling water spaceDthe cooler

2、The cylinder and piston must be warmed

The cylinder and piston must be warmed up （） to a temperature of about 140 degF in standing by engine.ArepeatedlyBquicklyCgraduallyDimmediately

3、The cylinder liner forming the cylinde

The cylinder liner forming the cylinder wall and the inside of the water jacket is called a（）Adry linerBwet linerCjacket linerDcorrugated liner

4、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

5、Which of the listed cylinder liner sur

Which of the listed cylinder liner surface conditions indicates proper lubrication?（）ADull black appearanceBBright appearanceCThin layer of lacquerDThick oily film

6、The withdrawing of the cylinder liners

The withdrawing of the cylinder liners, in general, depends on their （）.This may amount to approximately 1/120 of the diameter in some engines.Acorrect maneuveringBwearCworking efficiencyDmaintenance