A、chromium-plate against wear
B、anti-corrosion treated
C、white metal lined against wear
D、flame hardened against wear
更多“The piston ring grooves for a standard engine are （）”相关的问题
A、wide compression rings are used B、oil rings are located above the piston C、chromium plating is used on all piston rings D、oil rings are located near the bottom of the piston skirt
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.is coming upward；cylinder ring belt B、B.is going downward；piston ring belt C、C.is coming upward；piston ring belt D、D.is going downward；cylinder ring belt
A、compression pressure in the cylinder will be higher B、carbon will accumulate behind the ring C、combustion gases will penetrate beneath the ring land D、piston side thrust will be increased
A、top of the piston and bottom side of head, with the piston at BDC B、piston and head, including the space around the piston to the top of the upper ring and under the valves, with the piston at TDC C、bottom of the piston and bottom side of the head at TDC, regardless of upper ring location and valve placement D、top of the piston and bottom side of the head at TDC as compared to that which exists between the top of the piston and bottom side of head at BDC
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
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