For a specific centrifugal air blower operating at constant speed & capacity, the power requirement and pressure vary

Question: For a specific centrifugal air blower operating at constant speed & capacity, the power requirement and pressure vary
[A].

directly as square of gas density.

[B].

directly as gas density.

[C].

directly as square root of gas density.

[D].

inversely as gas density.

Answer: Option B

Explanation:

No answer description available for this question.