With increase in molecular weight of the gas, the head developed by a centrifugal compressor will________________?

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 relationship is valid for the equilibrium position of the float in a Rotameter? (Where, Df= Drag force on the float Bf = Buoyant force on the float Wf = Weight of the float)?

A. Df + Bf = Wf B. Df = Bf + Wf C. Df + Bf + Wf =0 D. None of these...

Which of the following is not a dimension-less parameter ?

A. Pressure-co-efficient B. Froude number C. Kinematic viscosity D. Weber number...

Bernoulli’s equation for steady, frictionless, continuous flow states that the ______________ at all sections is same?

A. Total pressure B. Total energy C. Velocity head D. None of these...

Terminal velocity is_____________________?

A. A constant velocity with no acceleration B. A fluctuating velocity C. Attained after moving one-half of total distance D. None of these...