A、a coil spring
B、a sealing ring
C、an oil distributor ring
D、main seal ring
更多“The lowest ring of a piston is （）.”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、the CIR rate of the lowest speed connection multiplied by the num ber of circuits B、the CIR rate of the lowest speed connection C、the CIR rate of the highest speed connection D、the sum of all the CIRs divided by the number of connections
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