Explore topic-wise MCQs in Rocket Propulsion.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Rocket Propulsion knowledge and support exam preparation. Choose a topic below to get started.

1.

H2 burns with oxygen with a ________ flame.

A. yellow-orange
B. yellow-white
C. colorless
D. blue-yellow
Answer» D. blue-yellow
Discussion
2.

RP-1 specific gravity at 15 C is __________

A. 0.80
B. 0.75
C. 0.70
D. 0.65
Answer» B. 0.75
Discussion
3.

Methane is a __________ fuel.

A. cryogenic hydrocarbon
B. monopropellant
C. bipropellant
D. hypergolic hydrocarbon
Answer» B. monopropellant
Discussion
4.

Atlas, Delta and Thor rocket engines use __________ fuel along with liquid oxygen.

A. RP-1
B. RDX
C. HMX
D. H<sub>2</sub>O<sub>2</sub>
Answer» B. RDX
Discussion
5.

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
Answer» D. increase in heat transfer and increase in wall temperature
Discussion
6.

Petroleum fuels form ________ radiating flames.

A. blue-green
B. orange-red
C. yellow-white
D. orange-yellow
Answer» D. orange-yellow
Discussion
7.

Which of the following is not a hydrocarbon fuel?

A. Kerosene
B. Diesel
C. Turbojet fuel
D. Ethyl alcohol
Answer» E.
Discussion
8.

Petroleum derivatives are mainly ___________ chemicals.

A. hydrocarbon
B. gasoline
C. alcoholic
D. aldehydic
Answer» B. gasoline
Discussion
9.

Which of the following is not a liquid fuel?

A. Ammonia
B. Ethyl alcohol
C. Borohydrides
D. Hydrogen peroxide
Answer» E.
Discussion
10.

__________ is not liquid fuel.

A. Xylidine
B. Furfuryl alcohol
C. Hydrazine hydrate
D. Nitric acid
Answer» E.
Discussion