If a sphere of diameter 1 cm falls in castor oil of kinematic viscosity 10 stokes, with a terminal velocity of 1.5 cm/sec, the coefficient of drag on the sphere is________________?

Related Mcqs:

A rectangular block 2 m long, 1 m wide and 1 m deep floats in water, the depth of immersion being 0.5 m. If water weighs 10 kN/m3, then the weight of the block is________________?

A. 5kN B. lOkN C. 15 kN D. 20 kN...

Which of the following is used to measure the discharge ?

A. current meter B. venturimeter C. pitot tube D. hotwire anemometer...

When an ideal fluid flows past a sphere________________?

A. highest intensity of pressure occurs around the circumference at right angles to flow B. lowest pressure intensity occurs at front stagnation point C. lowest pressure intensity occurs at rear stagnation point D. total drag is zero...

The depth ‘d’ below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be_________________?

A. 0.423 D B. 0.577 D C. 0.223 D D. 0.707 D where D is the depth of flow...

If velocity is zero over l/3rd of a cross-section and is uniform over remaining 2/3rd of the cross-section, then the correction factor for kinetic energy is__________________?

A. 4/3 B. 3/2 C. 9/4 D. 27/8...