Question

True or False – if false, give the correct statement:

1. Propulsion system may include sensors, radars and communication equipments.

2. Structural system is made up of very strong but light weight materials like titanium and aluminium.

3. The propellants may be in the form of a liquid or gas.

4. Liquid hydrogen, hydrazine and ethyl alcohol are the liquid fuels.

5. Combustion of solid propellants can be stopped once it is ignited.

Answer 1

1. False 

Correct statement: Guidance system may include sensors, radars and communication equipments.

2. True

3. False 

Correct statement: The propellants may be in the form of a liquid or solid.

3. False 

Correct statement: The propellants may be in the form of a liquid or solid.

4. True.

5. False

Correct statement: Combustion of solid propellants cannot be stopped once it is ignited.