海船船员考试
单选题The desirable properties of a marine fuel oil should include（）A high flash point and high viscosityB low flash point and high viscosityC low heating value and high sulphur contentD high heating value and low sulphur content
题目
high flash point and high viscosity
low flash point and high viscosity
low heating value and high sulphur content
high heating value and low sulphur content
参考答案和解析
相似问题和答案
第1题：
The main propulsion diesel continues running after you try to shut down. You should now attempt to .
A.stop the fuel oil booster pump
B.engage the jacking gear
C.secure the lube oil pump
D.shut off the fuel at the settling tank
第2题：
Which statement is TRUE of a gasoline spill ________．
A.It is visible for a shorter time than a fuel oil spill
B.It is not covered by the pollution laws
C.It does little harm to marine life
D.It will sink more rapidly than crude oil
第3题：
The desirable properties of a marine fuel oil should include .
A.high flash point and high viscosity
B.low flash point and high viscosity
C.low heating value and high sulphur content
D.high heating value and low sulphur content
第4题：
low wax content
high pour point
high viscosity
all of the above
第5题：
check the pyrometer readings
check the crankcase oil level
check the fuel oil strainers
clean the fuel system
第6题：
When an auxiliary boiler is panting and emitting(发出) black smoke, you should______.
A.increase the fuel oil temperature
B.decrease the fuel oil temperature
C.decrease the fuel oil supply pressure
D.increase the air supply
第7题：
close the static leg filling valve
close the overflow tank falling valve
reduce the fuel oil pumping rate
stop the fuel oil pumping operation
第8题：
If you suspect a diesel engine is misfiring due to air leakage into the fuel system, you should begin looking for the leak at the
A.fuel line connections to the cylinder injection valves
B.gasket surfaces of the fuel oil filters
C.discharge fittings of the fuel injector pumps
D.suction side of the fuel oil transfer pump
第9题：
plugging gooseneck tank vents to prevent accident overflow
maintaining a high transfer rate until a slight trickle of oil is observed flowing from the overflow line
sounding the tanks frequently and reducing the transfer rate as the level approaches maximum fill
maintaining a supply of chemical dispersant to cleanup minor oil spills adjacent to the ship
第10题：
secure the ventilation
find a soda acid extinguisher
shut off the fuel oil supply
secure the generator