Related Questions

__________ has the widest inflammability limit (explosion limit) of all the gases.
A Hydrogen
B Carbon monoxide
C Acetylene
D Methane
Travelling at a constant speed of 32 miles per hours, a certain motorboat consumers 24gallons of fuel per hour. What is the fuel consumption of his boat this speed measured in miles per gallons of fuel?
A 2/3
B 3/4
C 4/5
D 4/3
A certain truck uses 18 gallons of diesel fuel in traveling 270 miles. In order for the truck to travel the same distance using 10 gallons of diesel fuel, by how many miles per gallon must the truck's fuel mileage be increased.
A 12
B 15
C 27
D 9
Two tanks are filled to capacity with automobile fuel. The first tank holds 600 gallons more than the second tank. If 100 gallons were to be pumped from each tank, the first tank would then contain 3 times as much fuel as the second tank. What is the total number of gallons of fuel in the two full tanks?
A 1,400
B 1,200
C 1,000
D 900
On Dhaka- Sylet highway , 5% of the drives are fined for exceeding the speed limit. However , 80% of the drivers who exceed the speed limit are not fined. What percentage of dirvers on this highway exceed the speed limit?
A 10
B 15
C 20
D 25
The air we inhale is a mixture of gases which of the following gases is the mixture is highest in percentage
A Carbon dioxide
B Oxygen
C Ozone
D Nitrogen
Temperature of gases at end of compression as compared to exhaust gases in a gas turbine is
A Higher
B Lower
C Equal
D Can't be compared
The air we inhale is mixture of gases. Which of the following gases in the mixture is highest in percentage?
A Ozone
B Oxygen
C Nitrogen
D Carbon dioxide
The condensing pressure due to the presence of non-condensable gases, as compared to that actually required for condensing temperatures without non-condensable gases,
A Will be higher
B Will be lower
C Will remain unaffected
D May be higher or lower depending upon the nature of non-condensable gases
Green house gases blanket/block the infrared radiation from earth's surface to the atmosphere leading to its progressive warming up. Which of the following gases does not exhibit green house effect?
A CO2
B H2
C SO3
D N2

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