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
Storage batteries should be charged in a well ventilated area because（）.
The airborne concentrations of substances (such as H2S) under which nearly all workers may be repeatedly exposed without adverse effects are called（）.
Combustible gas indicators operate by drawing an air sample into the instrument（）.
What is used to test a tank for oxygen content?（）
Upon release to the atmosphere，LFG readily（）.
If you have a liquefied flammable gas barge in tow，which is NOT required of you with respect to the barge and its cargo? （）
What would you consult to determine the number of persons required on duty while loading a cargo of leaded gasoline on your tanker? （）
The tops of vents from gasoline tanks should terminate（）.
Butadiene，inhibited，is labeled as a（）.
LFG tank and pipeline maintenance should include（）.