Hydraulics And Fluid Mechanics In Me - Study Mode

[#426] A Pelton wheel develops 1750 kW under a head of 100 meters while running at 200 r.p.m. and discharging 2500 liters of water per second. The unit speed of the wheel is
Correct Answer

(B) 20 r.p.m.

[#427] An orifice is said to be large, if
Correct Answer

(D) The available head of liquid is less than 5 times the height of orifice

[#428] A flow in which __________ force is dominating over the viscosity is called turbulent flow.
Correct Answer

(D) Inertia

[#429] Which of the following meters is not associated with viscosity?
Correct Answer

(D) Orsat

[#430] The maximum hydraulic efficiency of an impulse turbine is (where $$varphi $$ = Angle of blade tip at outlet)
Correct Answer

(A) $$frac{{1 + cos varphi }}{2}$$