单选题By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engineThe device most commonly used is a().AtachometerBpyrometerCdynamometerDcalorimeter

单选题
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engineThe device most commonly used is a().
A

tachometer

B

pyrometer

C

dynamometer

D

calorimeter


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High firing pressures and low exhaust temperature in a diesel engine may resultfrom( ).A.decreased piston to cylinder head clearanceB.increased exhaust system back pressureC.early fuel injection timingD.low scavenge air temperature

By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine The device most commonly used is aA.tachometerB.pyrometerC.dynamometerD.calorimeter

A dry-type spark arrestor removes sparks from a diesel engine exhaust by ____.A.increasing the linear velocity of the exhaust gasesB.changing directions of exhaust gas flowC.decreasing the temperature of the exhaust gasesD.accelerating the exhaust gas through a reduced size orifice

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燃气轮机排气温度分散度(exhaust gas temperature spread(EGT spread))

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单选题Low cylinder compression pressure and a high exhaust temperature may indicate ()Aearly fuel injection timingBleaking valvesCa continuously open scavenge air portDlow cooling water temperature

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单选题In a diesel engine, late fuel injection is indicated by black or gray exhaust smoke with()Alow firing pressureBlow exhaust temperatureCmechanical knock in each cylinderDfuel knock in each cylinder

单选题A dry-type spark arrestor removes sparks from a diesel engine exhaust by()Aincreasing the linear velocity of the exhaust gasesBchanging directions of exhaust gas flowCdecreasing the temperature of the exhaust gasesDaccelerating the exhaust gas through a reduced size orifice

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单选题By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a()AtachometerBpyrometerCdynamometerDcalorimeter

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