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
更多“The lifting pressure of （） is set in the presence of a Surveyor it is locked and cannot be changed.”相关的问题
A、noise and vibration B、an increase in discharge pressure C、an increase in suction pressure D、lifting of the relief valve
A、speed, torque, and horsepower production B、firing order, valve timing, and valve lift C、fuel consumption, efficiency, and cylinder pressure D、scavenge pressure, compression ratio, and exhaust pressure
A、The solenoid valves directs high pressure gas to the valve lifting device raising the suction valve off its seat and causing one specific cylinder to become unloaded B、The solenoid valves directs high pressure gas to the underside of the unloading piston, causing it to rise and allowing the recirculating ports to be opened C、When the solenoid valve becomes energized, the valve ports become closed, allowing discharge pressure to build up above the piston, shifting it and causing it to unload D、The solenoid valve allows the refrigerant to pass from the suction chamber to the top of the unloader piston, causing the piston to lift and unload the cylinder
A、A.primarily to lubricate the shaft seals B、B.due to the inability of this type of pump to lift water to cover the suction (eye) of the impeller C、C.to initially unload the pump by having its head pressure equal to discharge pressure D、D.in order to overcome the potential energy of water in the discharge line
A、A.the lifting appliance can always lift the freight within its rated load B、B.attention should be paid in order not to break the wedge when lifting cargo C、C.sometimes the lifting work needs other assistance other than the lifting appliance D、D.lifting work should be done with every part fit, tightness or adhesion
A、Increase the cooling water flow to the engine B、Secure or reduce fuel to that cylinder C、Screw down on the pressure adjusting spring to decrease to decrease popping pressure D、Readjust the injection timing
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