To obtain maximum hydraulic efficiency of pelton turbine, blade veloci – McqOptions

MCQOPTIONS

1.	To obtain maximum hydraulic efficiency of pelton turbine, blade velocity should be Times the inlet velocity of jet.
A.	Half
B.	One quarter
C.	Twice
D.	Thrice
Answer» B. One quarter

Discussion

No Comment Found

Related MCQs

The discharge over a rectangular weir, considering the velocity of approach, is (whereH1 = H + Ha = Total height of water above the weir, H = Height of water over the crest of the weir, and Ha = Height of water due to velocity of approach)
The efficiency of power transmission through pipe is (where H = Total supply head, and hf = Head lost due to friction in the pipe)
A flow in which each liquid particle has a definite path, and the paths of individual particles do not cross each other, is called
When a cylindrical vessel containing liquid is revolved about its vertical axis at a constant angular velocity, the pressure
The length AB of a pipe ABC in which the liquid is flowing has diameter (d1) and is suddenly contracted to diameter (d2) at B which is constant for the length BC. The loss of head due to sudden contraction, assuming coefficient of contraction as 0.62, is
Metacentric height for small values of angle of heel is the distance between the
To generate 8.1 MW under a head of 81m while working at a speed of 540rpm, what type ofturbine is suitable?
With an increase in size of tube, the rise or depression of liquid in the tube due to surface tension will
Free surface of a liquid behaves like a sheet and tends to contract to smallest possible area due to the
Gauge pressure at a point is equal to the absolute pressure __________ the atmospheric pressure.