Volute type of casing is provided in a centrifugal pump to___________________?

Related Mcqs:

Horsepower increase of a centrifugal gas compressor without altering the volumetric flow rate will _____________ the gas discharge pressure?

A. Increase B. Decrease C. Not change D. Exponentially decrease...

Which of the following is the most common pump for pumping either raw sewage or sludge ?

A. Electromagnetic pump B. Centrifugal pump C. Reciprocating pump D. Gear pump...

A relief valve__________________?

A. Provides back pressure for a cylinder B. Unloads a pump C. Is a directional control valve D. None of these...

Consider two pipes of same length and diameter through which water is passed at the same velocity. The friction factor for rough pipe is f1 and that for smooth pipe is f2. Pick out the correct statement ?

A. f1 = f2 B. f1 < f2 C. f1 > f2 D. Data not sufficient to relate f1 & f2...

The losses in open channel flow generally vary as the ________________?

A. Inverse of the roughness B. First power of the roughness C. Square of the velocity D. Inverse square of hydraulic radius...