fuel gauge____

[单选题]A level gauge for a tank is to （）.A . give the pressureB . give the contentsC . give the shape of the tankD . give the accuracy level

A The fuel injection pump B The fuel feed pump C The fuel transfer pump D The fu

[单选题]The water level in the gauge glass when a boiler is operating is _____ when the boiler is shut down.A．lower thanB．higher thanC．belowD．equal to

[单选题]Fuel injection systems meter fuel, atomize fuel, and （）.A . create turbulence in the combustion chamberB . aid in completing cylinder scavengingC . inject fuel at the proper timeD . minimize fuel penetration into the cylinder

[单选题]During the fuel injection period, fuel pressure must exceed cylinder gas pressure to （）.A . ensure penetration and distribution of the fuel in the combustion chamberB . ensure the needle valve is flushed clean during each injectionC . prevent combust

[单选题]thermal conductivity gauge的意思是（）。A . 离子计B . 热传导真空计C . 放电型真空计D . 麦克劳式真空计

[单选题]Bridge gauge can be used to measure （） of a diesel engine.A . diameters of journalsB . deflections of crankwebsC . diameters of crankpinsD . none of the above

[单选题]Fuel injectors used in heavy fuel oil systems are usually provided with cooling to reduce（）.A . cold corrosion of the nozzlesB . fuel viscosity for better atomizationC . carbon accumulation on the nozzlesD . fuel detonation in the cylinder

Just before _ fuel is injected into the cylinder by the fuel injector.A. TDCB. L

The oil-level is indicated with a level gauge and is measured through____ ()A. a