Question

Which one is showing correct statement about convergent duct ?

a) Convergent section always works as a nozzle
b) It always acts as a diffuser
c) It can work as a nozzle or diffuser but it depends on their inlet Mach number
d) None of them

Answer 1

Answer:

$| \gamma \: \gamma \gamma hey \: mate|$

Explanation:

It always act as a diffuser.

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Answer 2

Answer:

The correct answer is option A, i.e. always acts as a nozzle.

Explanation:

The convergent duct is also known as the convergent nozzle, characteristic of cross-sectional area decreasing with downstream distance.

A nozzle is any device instrumented to accelerate the fluid and thus, in order to do so, pressure must be decreased so that velocity of the fluid is increased. thereby, Convergent duct always acts as a nozzle.

It cannot work as a diffuser because diffuser is any device instrumented to slow the fluid, whereby, pressure must be increased to achieve decrease in velocity, which is done by divergent duct.

Therefore, option b and c is incorrect and option d is invalidates as the option A is the correct answer