According to fan laws, for the fans having constant wheel diameters, the power demand varies_______________?

Related Mcqs:

Low specific speed of a pump implies it is____________________?

A. centrifugal pump B. mixed flow pump C. axial flow pump D. any one of the above E. none of the above...

Air vessels in reciprocating pump are used to__________________?

A. smoothen flow B. reduce acceleration to minimum C. increase pump efficiency D. save pump from cavitation E. increase pump head...

According to fan laws, at constant speed and capacity, the pressure and power vary_____________________?

A. directly as the air or gas density B. inversely as square root of density C. inversely as density D. as square of density E. as square root of density...

Specific speed for reaction turbines ranges from___________________?

A. 0 to 4.5 B. 10 to 100 C. 80 to 200 D. 250 to 300 E. none of the above...

For very high discharge at low pressure such as for flood control and irrigation applications, following type of pump is preferred_________________?

A. centrifugal B. axial flow C. reciprocating D. mixed flow E. none of the above...