单项选择题
A.vaporizes B.attacks caustically C.rises D.attacks corrosively
To determine the pressure and temperature limitations u...
单项选择题To determine the pressure and temperature limitations under which LFG is required to be transported on a barge，you should look at the（）.
A.Certificate of Inspection B.loading order C.rules and regulations for tankers D.tankerman's document
The weight of liquefied petroleum gas vapors as compare...
单项选择题The weight of liquefied petroleum gas vapors as compared to air is（）.
A.variable B.the same C.lighter D.heavier
The vapor pressure of a substance（）.A.decreases as temp...
单项选择题The vapor pressure of a substance（）.
A.decreases as temperature increases B.increases with the temperature C.is not affected by temperature D.may increase or decrease as the temperature rises
