理学
相似问题和答案
第1题：
One of the principal dangers inherent in liquefied petroleum gas is ______．
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
第2题：
石油（petroleum）
正确答案: 是以液态形式存在于地下岩石空隙中的可燃有机矿产，是一种成分复杂的碳氢化合物的混合物。
第3题：
The American Petroleum Institute recommends magnetic particle inspection for ______.
A.anchor chain
B.wire rope
C.connecting links
D.pendant wires
第4题：
Hydraulic oil
Lubricating oil
Diesel oil
Refrigeration oil
第5题：
as it warms up it becomes heavier than air
the way it reacts with sea water
the strong odor it produces
its low temperature causes frostbite or freezing
第6题：
What refers to the depth of a petroleum product in a tank ________．
A.Innage
B.Outage
C.Thievage
D.Ullage
第7题：
degrees of quality of petroleum products
flash point range and Reid vapor pressure index of petroleum products
grades of crude oil
pour point，color，and viscosity index of petroleum products
第8题：
Which substance is NOT considered to be Oil under the pollution prevention regulations?
A.Petroleum and fuel oil
B.Sludge
C.Oil mixed with dredge spoil
D.Oil refuse and oil mixed with wastes
第9题：
as it warms up it becomes heavier than air
the way it reacts with sea water
the strong odor it produces
its low temperature causes frostbite or freezing
第10题：
variable
the same
lighter
heavier