Home
Earn $100 Online Daily. Work From Home. Click Here

What is the correct answer?

4

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

A. Directly as fan speed

B. Square of fan speed

C. Cube of fan speed

D. Square root of fan speed

Related Questions

Which of the following pump is generally used to pump highly viscous fluid? Which of the following hydraulic unit is used for transmitting increased… The mechanical efficiency of an impulse turbine is In a Kaplan turbine runner, the numbers of blades are generally between Which of the following pump is successfully used for lifting water to… Which of the following statement is correct? The efficiency of a hydraulic press is given by (where W = Weight lifted… In a centrifugal pump, the liquid enters the pump If a pump is handling water and is discharging a certain flow Q at a constant… Which of the following is not a reaction turbine? The unit power developed by a turbine is (where P = Power developed by… Impulse turbine is generally fitted The efficiency of jet propulsion for a ship with inlet orifices at right… The power developed by a turbine is (where H = Head of water under which… A Pelton wheel working under a constant head and discharge, has maximum… The hydraulic efficiency of an impulse turbine is the The speed of a turbine runner is Puck up the wrong statement about centrifugal pump Discharge of a centrifugal pump is (where N = Speed of the pump impeller) Axial flow pump is started with its delivery valve In a Francis turbine runner, the numbers of blades are generally between A hydraulic ram is a device used to Casting of a centrifugal pump is designed so as to minimize The specific speed of turbine is defined as the speed of a unit Any change in load is adjusted by adjusting following parameter on turbine The maximum number of jets generally employed in impulse turbine without… The speed ratio in case of Francis turbine varies from Which of the following statement is correct as regard to water wheels? The flow ratio in case of Francis turbine varies from In a reaction turbine, the draft tube is used