In Newton’s law range, the drag co-efficient for the motion of spherical particle in a stationary fluid is___________________?

Related Mcqs:

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...

What type of motion the fluid element undergoes, when it changes from one position to another position, such that the angle between the two sides changes ?

A. Rotation B. Translation C. Linear deformation D. Angular deformation...

Scale up of agitator design requires________________?

A. Geometrical similarity only B. Dynamic similarity only C. Both geometrical and dynamic similarity D. All geometrical, dynamic and kinematic similarity...

The maximum depth from which a centrifugal pump can draw water is________________?

A. Dependent on the speed of the pump B. Dependent on the power of the pump C. 34 feet D. 150 feet...

A bed of spherical particles (specific gravity 2.5) of uniform size 1500 μm is 0.5 m in diameter and 0.5 m high. In packed bed state, the porosity may be taken as 0.4. Ergun’s equation for the above fluid-particle system (in SI units) is given below: Δ P/L = 375 × 103 VOM + 10.94 × 106 V2 OM (SI units) If water is to be used as the fluidising medium, in actual operation, the above bed has a height = 1 m. What is the porosity of the fluidised bed ?

A. 0.2 B. 0.5 C. 0.7 D. 0.8...