In which of the following the friction drag is generally larger than pressure drag?

Related Mcqs:

Size of a venturimeter is specified by________________?

A. pipe diameter B. throat diameter C. angle of diverging section D. both pipe diameter as well as throat diameter...

The value of friction factor ‘f’ for smooth pipes for Reynolds number 106 is approximately equal to________________?

A. 0.1 B. 0.01 C. 0.001 D. 0.0001...

The horse power transmitted through a pipe is maximum when the ratio of loss of head due to friction and total head supplied is________________?

A. 1/3 B. 1/4 C. 1/2 D. 2/3...

For a sphere of radius 15 cm moving with a uniform velocity of 2 m/sec through a liquid of specific gravity 0.9 and dynamic viscosity 0.8 poise, the Reynolds number will be_________________?

A. 300 B. 337.5 C. 600 D. 675...

Which of the following is an incorrect statement ?

A. Coefficient of contraction of a venturimeter is unity B. Flow nozzle is cheaper than venturimeter but has higher energy loss C. Discharge is independent of orientation of venturimeter whether it is horizontal, vertical or inclined D. None of the above statement is correct....