The drag co-efficient for a bacterium moving in water at 1 mm/s, will be of the following order of magnitude (assume size of the bacterium to be 1 micron and kinematic viscosity of water to be 10-6m2/s) ?

Related Mcqs:

In continuous fluidisation_________________?

A. Solids are completely entrained B. The pressure drop is less than that for batch fluidisation C. There is no entrainment of solids D. Velocity of the fluid is very small...

A centrifugal pump has the following specifications: Power = 4 H.P.; Speed = 800 rpm Head = 8 metres Flow = 1000 litres/minutes. If its speed is halved, the new discharge will be __________ litres/minute ?

A. 500 B. 200 C. 1000 D. 750...

Fluid resistance to shear depends upon its_______________?

A. Rate of transfer of molecular momentum B. Cohesion C. Both A. and B. D. Neither A. nor B....

Pick out the correct statement pertaining to transition/ entrance length in fluid flow ?

A. The length of entrance region of pipe, in which full development of fluid flow takes place such that velocity profile does not change downstream, is called the transition length B. Transition length for laminar flow of Newtonian fluids in a pipe of diameter ‘d’ is equal to 0.05. D.NRe C. Transition length for turbulent … Pick out the correct statement pertaining to transition/ entrance length in fluid flow ?Read More...

A centrifugal pump used to pump water is used to pump an oil with specific gravity of 0.8 at the same rate. The power consumption will now_________________?

A. Increase B. Decrease C. Remain same D. Data insufficient to predict...