A、pressure charged
B、naturally aspirated
C、contaminated
D、high speed diesel
更多“In a （） engine the charge of air in the cylinder before compression commences is above atmospheric pressure.”相关的问题
A、In a two-stroke/cycle engine, the rings run hotter, requiring the end gap to be greater B、Some provision must be made in a two-stroke/cycle engine to keep the rings from binding in the ports C、No gap is required to exist between the ends of the ring when cold in a two-stroke/cycle engine, but a small gap is required in a four-stoke/cycle engine D、The gaps should be staggered on either side of a piston in a two-stroke/cycle engine, while staggering is not necessary in a four-stroke/cycle engine
A、fluctuates with the engine speed to some extent, independent of the engine speed B、keeps constant at all engine speed, dependent on the engine speed to some extent C、keeps constant at all engine speed, independent of the engine speed D、is decided by the engine speed, constant at all engine speed
A、engine trails should be done after finishing the operation of turning the engine with the turning gear and starting the engine on air briefly B、in the operation of engine trails, the main engine should be running in low-speed C、As to the ship equipment with twin main engine, engine trials should be done with one engine ahead and another engine astern at the same time D、the order “engine trials” should be given by the bridge
A、half the engine speed B、twice the engine speed C、the engine speed D、four times the engine speed
A、half the engine rotational speed B、twice the engine rotational speed C、the engine rotational speed D、four times the engine rotational speed
A、Defective temperature controls in the system B、Cavitation in the cooling water pump C、Opened vent in the cooling system D、Restricted water passages in the engine
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