Fluid Mechanics - Study Mode
[#711] In the Newton's law range, the terminal velocity of a solid spherical particle falling through a stationary fluid mass is __________ the fluid viscosity.
Correct Answer
(B) Inversely proportional to
[#712] For a given Reynolds number, in a hydraulically smooth pipe, further smoothening __________ the friction factor.
Correct Answer
(A) Brings about no further reduction of
[#713] Mach number is important in a fluid flow problem, when the inertia and __________ forces predominate.
Correct Answer
(A) Elastic
[#714] In case of isentropic flow, the speed of sound in an ideal gas is proportional to (where M = molecular weight of the gas)
Correct Answer
(A) $$frac{1}{{sqrt { ext{M}} }}$$
[#715] Fanning friction factor is equal to (where, f B = Blassius friction factor).
Correct Answer
(A) $$frac{{{{ ext{f}}_{ ext{B}}}}}{4}$$