Valve lash, or clearance refers to the ()
A、clearance between the top of the valve stem and the rocker arm
B、compression of the valve springs
C、clearance between the valve seat inserts and the head
D、out of roundness of the fuel injection cams
A、clearance between the top of the valve stem and the rocker arm
B、compression of the valve springs
C、clearance between the valve seat inserts and the head
D、out of roundness of the fuel injection cams
A、main stem stop valve B、auxiliary steam stop valve C、feed check or control valve D、blow down valve
A、main stem stop valve B、auxiliary steam stop valve C、feed check or control valve D、blow down valve
A、Stack weights should be less when using a solid bar lashing as compared to a wire lashing B、Stack heights may be increased when using a solid bar lashing C、Stack heights should be reduced when using a solid bar lashing D、Solid bars should be used for lashing the first tier only,with wire lashings on the higher tier(s)
A、The profile of the valve is like a globe B、The valve seat is set into the bulbous body C、The plug or disc of the valve is made vertical to the axis of the pipe D、The valve seat is located at right side of the plug or disc
A、A.increased engine breathing efficiency B、B.excessive valve lash C、C.excessive lube oil consumption D、D.lower than normal fuel consumption
A、main stem stop valve B、auxiliary steam stop valve C、feed check or control valve D、blow down valve