For a specific centrifugal air blower operating at constant speed & ca – McqOptions

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1.	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» C. Directly as square root of gas density

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