_________ is a little oil in the tank

A．There

B．This

C．Those

D．These

[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]The oil is drawn from a drain tank through （）, one of a pair of pumps, into one of fine filters.A . a strain tankB . a head tankC . a service tankD . a strainer

[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

[单选题]The quality of the fuel oil and lube oil （）, Im afraid.A . has much to do with the operation of the engine and its lifeB . have much to do with the operation of the engine and its lifeC . has much doing with the operation of the engine and its lifeD

[单选题]In a typical fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to （） and heated.A . a service tankB . a collecting tankC . a sumpD . a settling tank

[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

[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

[名词解释] Fuel tank capacity油箱容积

[单选题]Frames to which the tank top and bottom shell are fastened are called（）.A . floorsB . intercostalsC . stringersD . tank top support

[单选题]The expansion tank for a diesel engine closed cooling system is designed to maintain a constant head on the system and （）.A . reduce water temperatureB . reduce water turbulenceC . provide an air cushionD . allow for an increase in water volume as th