In a radial piston pump, reversal and

1、If clearance between a piston and the

If clearance between a piston and the cylinder wall is excessive, piston slap will occurThe slap itself is caused by （）Aalternation of side ...

2、Excessive piston ring wear in a diesel

Excessive piston ring wear in a diesel engine will cause（）Ahigh lube oil viscosityBincreased lube oil consumptionClow lube oil temperaturesDhigh firing pressure

3、This used piston had been tested and a

This used piston had been tested and approved as a spare part by the （） during last annual repair.AagentBshipchandlerCsurveyorDengineer

4、Piston compression rings used in a die

Piston compression rings used in a diesel engine function to （）Atransfer heat from the cylinder to the pistonBscrape oil from the sides of the pistonCseal the combustion space from the crankcasesDprevent any piston contact with the cylinder liner

5、In order to reverse the rotation of a

In order to reverse the rotation of a two-stroke/cycle loop scavenged, direct reversing, propulsion diesel engine, the cam positions must be changed for the （）.Astarting air and fuel pumpsBpiston cooling pumpsCexhaust valvesDall of the above

6、An axial轴向 piston pump differs from a

An axial轴向 piston pump differs from a radial piston pump as the pistons of an axial piston pump are positioned （）.Aradially from the shaft...