Liquid Fuels MCQs : This section focuses on the "Liquid Fuels". These Multiple Choice Questions (MCQs) should be practiced to improve the Liquid Fuels skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
H2 burns with oxygen with a ________ flame.
A. yellow-orange
B. yellow-white
C. colorless
D. blue-yellow
Question 2
Atlas, Delta and Thor rocket engines use __________ fuel along with liquid oxygen.
A. RP-1
B. RDX
C. HMX
D. H2O2
Question 3
Petroleum fuels form ________ radiating flames.
A. blue-green
B. orange-red
C. yellow-white
D. orange-yellow
Question 4
Which kind of liquid fuels are risky to store?
A. Flammable and volatile
B. Inflammable and volatile
C. Flammable and non-volatile
D. Inflammable and non-volatile
Question 5
RP-1 specific gravity at 15°C is __________
A. 0.80
B. 0.75
C. 0.70
D. 0.65
Question 6
Which of the following is not a hydrocarbon fuel?
A. Kerosene
B. Diesel
C. Turbojet fuel
D. Ethyl alcohol
Question 7
Petroleum derivatives are mainly ___________ chemicals.
A. hydrocarbon
B. gasoline
C. alcoholic
D. aldehydic
Question 8
Which of the following is not a liquid fuel?
A. Ammonia
B. Ethyl alcohol
C. Borohydrides
D. Hydrogen peroxide
Question 9
RP-1 specific gravity at 15°C is __________
A. 0.8
B. 0.75
C. 0.7
D. 0.65
Question 10
Methane is a __________ fuel.
A. cryogenic hydrocarbon
B. monopropellant
C. bipropellant
D. hypergolic hydrocarbon
Question 11
Carbon deposits on the inside of cooling passage can lead to __________
A. decrease in heat transfer and decrease in wall temperature
B. increase in heat transfer and decrease in wall temperature
C. decrease in heat transfer and increase in wall temperature
D. increase in heat transfer and increase in wall temperature
Question 12
Atlas, Delta and Thor rocket engines use __________ fuel along with liquid oxygen
A. RP-1
B. RDX
C. HMX
D. H2O2