Increasing the valve clearance between a valve stem and rocker arm, will result in the valve （）

[单选题]If clearance between a piston and the cylinder wall is excessive, piston slap will occur. The slap itself is caused by_____.A．alternation of side thrustB．a breakdown of the lube oil film on the cylinderC．worn piston boss piston pin bearingsD．fluctuat

[单选题]The needle valve in a fuel valve will （） when the fuel pressure action on the needle valve tapered face exerts a force lower than that of the spring compression.A . be jammedB . be openedC . be seatedD . be broke

[单选题]China adopted the practice of（ ）in customs clearance following the establis

[名词解释] clearance，C

[单选题]Clearance volume scavenging in a turbocharged, four-stroke/cycle diesel engine is accomplished （）.A . during the valve overlap periodB . with only the exhaust valve openC . at a pressure below atmosphericD . without cooling the cylinders or pisto

[名词解释] 英译中：Customs clearance

[名词解释] 英译中：Electronic clearance

[问答题] 预检（Pre-clearance）

[单选题]The needle valve in the injector （） at a pre-set pressure which ensures that the fuel will atomize once it enters the cylinder.A . will liftB . will be liftedC . will closeD . will be closed

[单选题]Increasing differential pressure of an oil filter indicates that （）A . it is dirtyB . it is leakyC . it has been renewedD . all the above