Hydraulics And Fluid Mechanics In Me - Study Mode

[#66] The ratio of absolute viscosity to mass density is known as
Correct Answer

(C) Kinematic viscosity

[#67] The velocity at which the flow changes from laminar flow to turbulent flow is called
Correct Answer

(A) Critical velocity

[#68] Coefficient of discharge C d is equal to (where C c = Coefficient of contraction, C v = Coefficient of velocity and C r = Coefficient of resistance)
Correct Answer

(A) $${{ ext{C}}_{ ext{c}}} imes {{ ext{C}}_{ ext{v}}}$$

[#69] An average value of coefficient of velocity is
Correct Answer

(D) 0.97

[#70] A flow through an expanding tube at constant rate is called
Correct Answer

(B) Steady non-uniform flow