While starting a centrifugal pump, its delivery valve should be kept___________________?

Fluid Mechanics for Chemical 22/12/2021

A. Opened
B. Closed
C. Either opened or closed; it does not make any difference
D. Either opened or closed; depending on the fluid viscosity

Related Mcqs:

    What is the shear rate at the pipe wall, in case of laminar flow of Newtonian fluids in a pipe of diameter ‘D’ & length ‘L’ incurring a pressure drop ‘Δp’ with average velocity ‘Vavg’ ?
    A. D Δp/8L B. D Δp/4L C. 8 Vavg/D D. 4 Vavg/D...
    Which of the following is a Newtonian fluid ?
    A. Rubber latex B. Sewage sludge C. Quicksand D. Non-colloidal solution...
    In a fluidised bed reactor___________________?
    A. Temperature gradients are very high B. Temperature is more or less uniform C. Hot spots are formed D. Segregation of the solids occurs...
    A liquid is pumped at the rate of 600 litres using 1000 rpm. If the rpm is changed to 1100, the liquid pumped is _____________ litres?
    A. 600 B. 660 C. 1.1 D. 60...
    Which of the following is dimensionless ?
    A. Angular velocity B. Fanning friction factor C. Specific volume D. None of these...

Leave a Reply

Your email address will not be published. Required fields are marked *