A level gauge for a tank is to （）.

[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

[填空题] LOW SURGE TANK AUX.WATER LEVEL表示（）。

[单选题]_________ is a little oil in the tankA．ThereB．ThisC．ThoseD．These

[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]If diesel oil in this tank is used, the （） of the oil must not exceed 120 degree F.A . viscosityB . flash pointC . acid valueD . temperature

[单选题]surge tank的作用有（）。A . 提供额外的油箱空间B . 通气C . 2%的油箱溢流空间D . 用于油箱通气和提供2%溢油空间

[单选题]In fighting a fire in a fuel tank, the FIRST action you should attempt is to _____.A．secure all sources of fresh air to the tankB．begin transferring the fuel to other tanksC．top off the tank to force out all vaporsD．station someone at the fixed CO2 r

[单选题]What is head tank in the closed cooling water system used for?A．for the release of air from the cooling waterB．providing expansion room for heated cooling waterC．a place for implementing water and water treatment agentD．all of the above

[名词解释] Fuel tank capacity油箱容积