A.pressure
B.toxicity
C.temperature
D.flammability
您可能感興趣的試卷
你可能感興趣的試題
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
A.as it warms up it becomes heavier than air
B.the way it reacts with sea water
C.the strong odor it produces
D.its low temperature causes frostbite or freezing
A.It increases its volume
B.It reduces its volume
C.It has less product per volume
D.None of the above
最新試題
Upon release to the atmosphere，LFG readily（）.
What will NOT increase friction of a liquid flowing in a pipe and cause a loss of suction head?（）.
If you have a liquefied flammable gas barge in tow，which is NOT required of you with respect to the barge and its cargo? （）
The shut off valve at the gasoline tank which can be operated from outside the tank space （）.
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.
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（）.
Butadiene，inhibited，is labeled as a（）.
Gasoline vapor tends to collect（）.
Combustible gas indicators operate by drawing an air sample into the instrument（）.
Before starting a gasoline engine on a motorboat，you should make sure for safety that（）.