For motion of spherical particles in a stationary fluid, the drag co-efficient in hindered settling compared to that in free settling is _______________?

Related Mcqs:

Various efficiencies of a centrifugal pump are related as (where, εm = mechanical efficiency εv = volumetric efficiency. εma = manometric efficiency εo = overall efficiency) ?

A. ηma × ηm × ηv = ηo B. ηm = ηv . ηma C. ηma = ηm × ηv D. ηv = ηm × ηma...

Net positive suction head (NPSH) of a centrifugal pump must be____________________?

A. Greater than the vapour pressure of the liquid B. Less than the vapour pressure of the liquid C. Equal to the vapour pressure of the liquid D. Less than barometric pressure...

Major loss in sudden contraction in pipe flow is due to ________________?

A. Boundary friction B. Flow contraction C. Expansion of flow after sudden contraction D. None of these...

Efficiency of power transmission (ε) through a circular pipe is given by (ht – hf)/ht, which has a maximum value of _____________ percent?

A. 33:3 B. 50 C. 66.6 D. 88.8...

Which of the following produces maximum pressure difference for transportation of gases ?

A. Vacuum pumps B. Blowers C. Fans D. Compressors...