A.main stem stop valve
B.auxiliary steam stop valve
C.feed check or control valve
D.blow down valve
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A.main steam stop valve
B.auxiliary steam stop valve
C.feed check or control valve
D.blow down valve
A.fuel valves of main engine
B.injector pump of main engine
C.safety valves of marine boiler
D.safety valves of a reciprocating pump
A.a mechanical seal
B.keyway and key
C.a nut
D.shrinkage
A.the thrust pads are while metal faced on both sides
B.the thrust pads are while metal faced only on the forward side
C.the thrust pads are while metal faced only on the after side
D.intermediate shaft usually supported by a plummer block
A.high speeds
B.medium speed
C.low speeds
D.the same speed with the engine
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