单项选择题
The cooling of the piston is carried out by circulating （） across the underside of the crown and inside the ring belt or through specially shaped passages.
A.sea water
B.scavenging air
C.lubricating oil
D.fuel oil
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相关考题
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单项选择题
The cooling liquid used for the cylinder may be referred to as （）.
A.jacket water
B.make-up water
C.boiler water
D.flushing water -
单项选择题
The cooler as the liquid becomes, （）.
A.the faster it will evaporate
B.the slower it will condense
C.the slower it will evaporate
D.the faster it will flow -
单项选择题
The connecting rod large end bearing shell generally has tags for location and oil grooves round the center of its axial length which correspond with grooves in the （） through which oil is transmitted up the rod to lubricate the small end.
A.connecting rod
B.piston rod
C.bearing housing
D.none of the above
