If the energy balance in the chemical reaction within the thrust chamber is thought of as a two-step process, what is the initial step in the process?

Isentropic chemical reaction at the reference temperature

Isothermal chemical reaction at the reference temperature

Isentropic chemical reaction at the reference temperature

Adiabatic chemical reaction at the reference temperature

Heating of gases with the energy release from the chemical reaction

Explore topic-wise MCQs in Rocket Propulsion.

This section includes 6 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.	What is the approximate number of species or compounds present in the exhaust for a solid propellant rocket engine?
A.	10
B.	50
C.	100
D.	200
Answer» C. 100

Discussion

2.	Combustion efficiency in liquid propellant rocket engines __________ with an increase in combustion temperature.
A.	increases
B.	decreases
C.	doesn t change
D.	oscillates
Answer» B. decreases

Discussion

3.	Energy release efficiency is also called as ___________
A.	isentropic efficiency
B.	polytropic efficiency
C.	propulsive efficiency
D.	combustion efficiency
Answer» E.

Discussion

4.	Out of the following products of the reaction of hydrogen and oxygen, which of them is unstable?
A.	Hydrogen
B.	Hydrogen peroxide
C.	Hydroxyl
D.	Water
Answer» C. Hydroxyl

Discussion

5.	If the energy balance in the chemical reaction within the thrust chamber is thought of as a two-step process, what is the initial step in the process?
A.	Isothermal chemical reaction at the reference temperature
B.	Isentropic chemical reaction at the reference temperature
C.	Adiabatic chemical reaction at the reference temperature
D.	Heating of gases with the energy release from the chemical reaction
Answer» B. Isentropic chemical reaction at the reference temperature

Discussion

6.	The heat created by the combustion in the thrust chamber of a chemical rocket engine equals the change in enthalpy of the gases.
A.	True
B.	False
Answer» B. False

Discussion

Explore topic-wise MCQs in Rocket Propulsion.

What is the approximate number of species or compounds present in the exhaust for a solid propellant rocket engine?

Combustion efficiency in liquid propellant rocket engines __________ with an increase in combustion temperature.

Energy release efficiency is also called as ___________

Out of the following products of the reaction of hydrogen and oxygen, which of them is unstable?

If the energy balance in the chemical reaction within the thrust chamber is thought of as a two-step process, what is the initial step in the process?

The heat created by the combustion in the thrust chamber of a chemical rocket engine equals the change in enthalpy of the gases.