The flash point of a petroleum product is an indication of its ______.
A.viscosity
B.pour point
C.volatility
D.lower explosive limit
第1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2题:
What refers to the depth of a petroleum product in a tank ________.
A.Innage
B.Outage
C.Thievage
D.Ullage
第3题:
The minimum temperature required to ignite gas or vapor without a spark or flame being present is called ______.
A.Flash point
B.Fire point
C.Autoignition temperature
D.Lower explosive limit
第4题:
POP是()的缩写
第5题:
rich to burn
lean to burn
cool to burn
dense to burn
第6题:
ignition quality of the fuel
calorific value of the fuel
flash point of the fuel
rate of fuel consumption
第7题:
specific gravity or relative density
open flash point and closed flash point values
higher calorific and lower calorific values
cloud point and pour point values
第8题:
B flammable liquid
C flammable liquid
D combustible liquid
E combustible liquid
第9题:
It is lower than the ignition temperature
It is the temperature at which a substance will spontaneously ignite
It is the temperature at which a substance, when ignited, will continue to bum
It is the temperature at which the released vapors will fall within the explosive range
第10题:
flammable vapor by volume in air
oxygen present to support combustion
the temperature of the flash point
the lower limit of explosibility of the mixture
第11题:
auto-ignition point
flash point
lower explosive limit (LEL)
threshold limit value (TLV)
第12题:
B flammable liquid
C flammable liquid
D combustible liquid
E combustible liquid
第13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
第14题:
A fuel-air mixture below the lower explosive limit is too ______.
A.Rich to burn
B.Lean to burn
C.Cool to burn
D.Dense to burn
第15题:
Combustible gas indicators measure the presence of combustible gas as a percentage of the____.
A.flash point
B.upper explosive limit
C.lower explosive limit
D.fire point
第16题:
vapor to oxygen
the flammable limit concentration
the autoignition concentration
the lower explosive limit concentretion
第17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18题:
Hydraulic oil
Lubricating oil
Diesel oil
Refrigeration oil
第19题:
flashing point
combustion point
auto-ignition point
lower explosive limit
第20题:
viscosity
pour point
volatility
lower explosive limit
第21题:
flash point
upper explosive limit
lower explosive limit
fire point
第22题:
flash point
auto-ignition point
volatility point
upper explosive limit
第23题:
flash point
fire point
upper explosive limit
lower explosive limit