The intake valves in a diesel engine are reseated by （）.

For an ordinary four-stroke diesel engine the exhaust valves close ( )A. after T

[单选题]A restricted air intake to a diesel engine may result in the engine （）.A . failing to reach rated speedB . knocking under maximum loadC . hunting or surging under light loadD . overspeeding and running away

[单选题]Directional intake ports in diesel engines are used to （）.A . reduce air charge turbulenceB . induce air swirlC . deflect hot combustion gas away from the valvesD . oppose the effects of piston induced squish

A supercharged diesel engine when compared to a similar naturally aspirated dies

[单选题]_____ the engines, the diesel engine is ____ used engine on boardA．Between / more commonlyB．Among / the most commonlyC．Between / not more commonlyD．Among / not the most commonly

[单选题]The heart of the diesel engine is the （） where the fuel is burnt and the power developed.A . crankcaseB . cylinderC . scavenge boxD . pisto

[单选题]The diesel engine is a type of （）.A . turbine engineB . gas turbineC . steam engineD . internal combustion engine

[单选题]D．iesel engine blow-by is the leakage of combustion gases past the( ).A．oil rings onlyB．compression and scraper ringsC．cylinder liner sealingD．cylinder liner ring grooves

[单选题]F．or a continuous operation diesel engine, a duplex filter unit would be the best arrangement becauseA．changing filter elements would not interrupt engine operationB．filtering occurs twice in each pass of oil through the systemC．clogging will not occ

[单选题]In an operating diesel engine, which of the following conditions is an indication of a leaking air starting valve?A．Noise coming from that air starting valveB．Continuous operation of the starting air compressorC．Zero air pressure in the air starting