A.actuator
B.annulus
C.accumulator
D.annular preventer
您可能感興趣的試卷
你可能感興趣的試題
A.controls the amount of gasoline to the engine
B.shuts off the gasoline supply at the tank
C.is used if the gasoline tank leaks
D.All of the above
A.pressure
B.toxicity
C.temperature
D.flammability
A.checking the loading sheet
B.loading to within 1 percent of outage
C.loading to within 10 percent of the safety relief valve setting
D.filling to the maximum level indicated on the liquid level gaging device
A.exposure limits
B.concentration limits
C.threshold limit values
D.substance limit values
A.they generate heat
B.they emit hydrogen
C.of the toxic fumes they emit
D.they recharge faster in a well ventilated space
最新試題
Gasoline tanks should be filled().
The shut off valve at the gasoline tank which can be operated from outside the tank space ().
The weight of liquefied petroleum gas vapors as compared to air is().
Where should the tops of vents from gasoline tanks terminate?().
Upon release to the atmosphere,LFG readily().
What would you consult to determine the number of persons required on duty while loading a cargo of leaded gasoline on your tanker? ()
When fueling has been completed().
Each inert gas system must be designed to supply the cargo tanks with a gas,or mixture of gasses,that has an oxygen content by volume of().
Storage batteries should be charged in a well ventilated area because().
Each ship having an inert gas system must have a portable instruments to measure concentrations of hydrocarbon vapor in inert atmospheres and also to measure().