A.in open air
B.inside cabins
C.in machinery space
D.underwater
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A.actuator
B.annulus
C.accumulator
D.annular preventer
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
最新試題
It should be noted()the use of synthetic mooring ropes able to produce sparks by their manipulation is absolutely forbidden on board petroleum tankers and LPG or LNG carriers,or any vessels carrying inflammable substances.
Which is NOT a safety precaution to be observed during the loading of LFG?()
The shut off valve at the gasoline tank which can be operated from outside the tank space ().
LFG tank and pipeline maintenance should include().
What is used to test a tank for oxygen content?()
What will NOT increase friction of a liquid flowing in a pipe and cause a loss of suction head?().
The vapor pressure of a gas is the pressure necessary to keep it in a(n)().
Butadiene,inhibited,is labeled as a().
When fueling has been completed().
One of the principal dangers inherent in liquefied petroleum gas is().