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Kartik Oraon

· started a discussion

· 1 Months ago

mechanical engineering regarding jet engine (Question:442009.0)

how and why jet engine works on conservation of linear momentum

Question:

On which of the fundamental principle a jet engine works?

Options:
A)

Conservation of mass only

B)

Conservation of energy only

C)

Conservation of linear momentum

D)

Conservation of mass and energy

Solution:

Ans: (c)

Knowledge Expert

· commented

· 1 Months ago

A jet engine works on the principle of conservation of linear momentum. In jet engines, a large volume of gases produced by the combustion of fuel is allowed to escape through a jet in the backward direction. Due to the very high speed or velocity, the backward rushing gases have a large momentum.
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