Consider the following statements in respect of a jet engine and a rocket:
Consider the following statements in respect of a jet engine and a rocket:
1. A jet engine uses the surrounding air for its oxygen supply and so is unsuitable for motion in space.
2. A rocket carries its own supply of oxygen in the gas form, and fuel.
Which of the statements given above is/are correct?
(a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2
2 Answers
(a) A jet engine combines oxygen from the air with fuel at high temperature. There is usually a spark to ignite the fuel vapor, but once the engine begins turning, it will continue running until it runs out of fuel or air.
A rocket, in contrast, carries both fuel (which may be solid or liquid) and oxygen.
The correct option is: (c) Both 1 and 2
Explanation:
(c) In respect of a jet engine and a rocket, both the given statements are correct.