A、bottom
B、middle
C、top
D、none of the above
更多“Among the rings of a piston the （） one is subjected to the greatest load and temperature.”相关的问题
A、top of the ring groove B、cylinder liner oil film C、bottom of the ring groove D、back of the ring groove
A、A.top of the ring groove B、B.back of the ring groove C、C.bottom of the ring groove D、D.piston ring end clearance
A、A.Used of bimetallic piston rings B、B.Ring gap pre-tensioning C、C.Thermal increase in ring-end clearance D、D.Gas pressure acting against the back of the ring
A、A.increases the strength of the hook B、B.prevents the sling ring from coming out of the hook if the strain is abruptly eased C、C.prevents the sling ring from coming out of the hook if there is a strain on the sling ring D、D.All of the above
A、Lack of elastic tension, when the rings are pressed into the groove by means of a stick B、Blackish appearance C、Fractured rings and missing rings D、all off the above
A、A.install oversized rings B、B.hone the cylinder liner to allow ring installation C、C.compress the rings tighter with a compressing tool D、D.file the ends of the rings
A、jam in the most worn part of the cylinder when the rings expand B、break in the most worn part of the cylinder when the rings expand C、wear eccentrically on the side opposite the end gap D、overheat and jam at the top center on the combustion stroke
A、Control the amount of lube oil burned in the combustion chamber B、Transmit heat from the piston to the cylinder liner C、Prevent damage to ring groove inserts by acting as a heat dam D、Dissipate combustion chamber gas pressure by channeling it through the ring gap
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