The diesel engine exhaust gas bypass, as fitted with some waste heat boilers, is installed to ()
相似题目
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The color of the exhaust from a diesel engine should be ()
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During the valve overlap period, the exhaust pressure of a turbochargers, four-stroke/cycle diesel engine must be less than the intake manifold pressure to ensure ()
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If a diesel engines exhaust temperature is abnormally high, the cause could be()
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A two-stroke diesel engine exhaust temperature will be lower than a four-stroke diesel engine of the same displacement because the () (1) MEP is lower and the scavenging air is cooling the exhaust gases (2) valve overlap in a four-stroke
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Exhaust gases are generally removed from the cylinders of a two-stroke/cycle diesel engine by()
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The exhaust gases in a supercharged two-stroke/cycle diesel engine are expelled from the cylinder by ()
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A diesel engine is warmed up and white vapor is in the exhaust,this could indicate ()
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One of the purposes for water cooling the exhaust manifold in marine diesel engine is to ()
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A two-stroke diesel engine exhaust temperature will be lower than a four-stroke diesel engine of the same displacement because the () (1) scavenging air is cooling the exhaust gases (2) exhaust cycle time is longer
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A water jacket is placed around the exhaust manifolds of propulsion diesel engines to()
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The working cycle of a four-stroke diesel engine consists of four events:() (1) compression (2) expansion (3) exhaust (4) suctionThe correct sequence is
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The satisfactory operation of diesel engine exhaust valves usually depends on()
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The opening of an exhaust valve on a modem, large, low-speed, main propulsion diesel engine may be actuated by ().
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How would the exhaust of a properly operating diesel engine appear?().
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In a diesel engine exhaust system, the cooling of the exhaust gases below their dew point, will result in ()
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For an ordinary four-stroke diesel engine the exhaust valves close ().
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Forcing the exhaust gases form the cylinder of an operating diesel engine with the aid of a blower is known as ()
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In a diesel engine, exhaust valves open before the intake ports are uncovered to () Ⅰ.reduce pumping losses Ⅱ.reduce back pressure
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The most common instrument used to measure diesel engine exhaust pressure is the ()
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Diesel engine mufflers or silencers reduce the engine exhaust noise by ()
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The operating diesel generators will have their exhaust temperatures, cooling water and lubricating oil temperatures and pressures () in much the same way as for the main engine.
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In a two-stroke/cycle diesel engine, the exhaust gases are expelled from the cylinder by the()
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A diesel engine experiences a sudden loss in speed, accompanied by black exhaust smoke, with the fuel rack at maximum, and speed remaining below normal the probable()
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The four strokes of a four-stroke diesel engine according to their sequence are :suction,compression,expansion and exhaust.()
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