A gudgeon pin in a trunk piston may be free to float and rotate, with （） to limit axial movement.

[单选题]The gudgeon pin is carried in （） in the piston skirt.A . the bearingB . the crossheadC . bossesD . bridge

[单选题]Generally the gudgeon pin is fully floating in both connecting rod small end and （）.A . the crossheadB . the crankshaftC . large endD . the piston bosse

[单选题]The rim of the piston may contain cut-out portions to accommodate （） when they open.A . the gasesB . the airC . the valvesD . the injector

[单选题]A．lthough a given waveform. may contain frequencies over a very broad range，as a practical matter any transmission system will be able to accommodate only a limited band of (71) ．This，in turn，limits the data rate that can be carried on the transmissi

[单选题](piston area)×(piston stroke)×(numbers of the cylinders)=engine( ).A．brake horsepowerB．displacementC．cylinder volumeD．cylinder clearance

[问答题] 什么是Trunk？Trunk的功能是什么？

[名词解释] PIN

[单选题]英语PISTON指（）A .活塞B .开关C .按钮D .弹簧

[单选题]The lowest ring of a piston is （）.A . a coil springB . a sealing ringC . an oil distributor ringD . main seal ring

[单选题]As to the piston cooling, of the following, which statement is not true?（）A . Because the piston is exposed to very high temperature, it must be cooledB . The lower the piston cooling temperature is, the better it isC . Both water and lube oil can be