A . lifted
B . reassembled
C . dismounted
D . disassembled
[单选题]In an engine with a pot-shaped piston, some lubricating oil from the main bearing will pass along a drilled passage in the crankshaft to the bottom end bearing and then up a connection rod to theA.crossheadB.crankpinC.crank journalD.gudgeon pin
[单选题]While engine is in operation the piston moves up and down, thus causing the rotation of the ().A . crankcaseB . slipperC . cam housingD . crankshaft
[单选题]For a diesel engine, when the piston is at the (), the clearance volume is the largest.A . TDCB . DTCC . BDCD . DBC
[单选题]For diesel engine piston cooling, lubricating oil can be supplied to the pistons by a/an ().A . oil sprayB . oil bathC . oil control ringsD . drilled passage through the camshaft
[单选题]A diesel engine piston ring face is in direct contact with the ().A . top of the ring grooveB . cylinder liner oil filmC . bottom of the ring grooveD . back of the ring groove
[单选题]In an engine with a pot-shaped piston, some lubricating oil from the main bearing will pass along a drilled passage in the crankshaft to the bottom end bearing and then up a connection rod to the ().A . crossheadB . crankpinC . crank journalD . gudge
[单选题]This used piston had been tested and approved as a spare part by the () during last annual repair.A . agentB . shipchandlerC . surveyorD . engineer
[试题]2 Benny Korere has been employed as the sales director of Golden Tan plc since 1994. He earns an annual salary of£32,000 and is provided with a petrol-driven company car which has a CO2 emission rate of 187g/km and had alist price when new of £22,360.
[单选题]An aluminum piston has lower inertia and higher coefficient of () compared to that of cast iron.A . viscosityB . twisting momentsC . inertiaD . thermal expansio
[单选题]The main purpose of the piston oil scraper rings is to ().A . seal the space between the piston and the linerB . reduce the amount of lube oil burned in the combustion chamberC . transmit heat from the piston to the cylinder linerD . damp out fluctua