Related Questions

True vapour pressure of a petroleum fraction __________ Reid vapour pressure.
A Is less than
B Is more than
C Is same as
D May be either more or less than
A bus uses one gallon of gasoline to travel 15 miles.After a tune-up,the bus travels 15% farther on one gallon. How many gallons of gasoline (to the nearest tenth) will it takes for the bus to travel 150 miles after a tune-up?
A 8.7
B 8.5
C 8.9
D 9
when 6 gallons of gasoline are put into a car, the indicator goes from 1/4 to 5/8 . what is the total capacity of the gasoline tank?
A 12
B 14
C 16
D 18
A car got 33 miles per gallon using gasoline that coast $295 per dollars. Approximatley what was the cost , in dollars, of the gasoline used in driving the car 350 miles?
A $10
B $31
C $40
D $50
Bob just filled his car's gas tank with 20 galions of gasohol , a mixture consisting of 5% ethanol and 95% gasoline. If his car runs best on a mixture consisting of 10% ethanol and 90% gasoline, how many gallons of ethanol must he add into the gas tank for his car to achieve optimum performance?
A 20/19
B 10/9
C 9/10
D 1
Gasoline extracted from natural gas (by compression and cooling) is called the __________ gasoline.
A Polymer
B Unleaded
C Casing head
D Straight run
Higher vapour pressure of gasoline indicates
A Low flash point
B High breathing loss
C Both A & B
D Neither A nor B
Vapour which is at a pressure smaller than the saturation pressure for the temperature involved is called a __________ vapour.
A Superheated
B Desuperheated
C Non-condensable
D None of these
Octane number of gasoline is a measure of its
A Resistance to knock
B Ignition delay
C Ignition temperature
D Smoke point
The ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour in the same volume of saturated air at the same temperature and pressure, is called
A Humidity ratio
B Relative humidity
C Absolute humidity
D Degree of saturation

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