at which a liquid will give off inflammable vapors
at which a liquid will burn steadily
at which a liquid will explode
that a liquid must reach before it will flow readily
第1题：
A.flash point
B.fire point
C.upper explosive limit
D.lower explosive hmlt
第2题：
The flash point of a liquid refers to the temperature ______.
A.at which a liquid will give off inflammable（易燃的） vapors
B.at which a liquid will burn steadily
C.at which a liquid will explode
D.that a liquid must reach before it will flow readily
第3题：
A、the faster
B、faster
C、the slower
第4题：
Sweat damage in a hatch full of canned goods in cartons will occur when the ______．
A.Air temperature is higher than the temperature of the cargo
B.Air temperature is lower than the temperature of the cargo
C.Dew point is higher than the temperature of the cargo
D.Dew point is lower than the temperature of the cargo
第5题：
Sweat damage will occur in a cargo hold containing machinery parts when ______.
A.the outside air is colder than the cargo．
B.the air temperature of the hold is higher than the outside air temperature．
C.the dew point of the hold is higher than the temperature of the cargo．
D.the dew point of the outside air is lower than the temperature of the cargo
第6题：
Sub-cooling is a method of reducing the temperature of the liquid refrigerant below its ______.
A.freezing point
B.floc point(浊点)
C.condensing temperature
D.compression temperature
第7题：
A petroleum liquid has a flash point of 85°F. This is a grade ______.
A.B flammable liquid
B.C flammable liquid
C.D combustible liquid
D.E combustible liquid
第8题：
The higher the temperature,()the liquid evaporates.
A. the faster
B. faster
C. the slower
第9题：
When referring to dry bulk cargoes，the term "flow state" ______.
A.designates the state of a commodity when the ship is heeled past the angle of repose
B.relates to the suitability of loading a cargo by flowing down inclined chutes
C.refers to the saturation of a dry bulk product with water to the point where it acts as a liquid
D.relates to the minimum granule size of a particular product where it will flow like a liquid at an angle of 30°
第10题：
Which statement is TRUE concerning the flash point of a substance ________．
A.It is lower than the ignition temperature
B.It is the temperature at which a substance will spontaneously ignite
C.It is the temperature at which a substance，when ignited，will continue to burn
D.It is the temperature at which the released vapors will fall within the explosive range