A. prevent dirt from entering the tank
B. dissipate fumes leaving the vent
C. prevent flames from entering the tank
D. prevent accidental overflow
[单选题]To minimize corrosion, fuel oil strainer disks, spacers and scraper blades are made of （）.A . brassB . copperC . ironD . monel metal or stainless steel
The amount of oil consumed by a return flow-type fuel atomization system, fitted
[单选题]_________ is a little oil in the tankA．ThereB．ThisC．ThoseD．These
[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]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]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]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
The fuel pump is actuated by means of a cam fitted to the____ ()A. camshaftB. cr