Q. What is the formula for the velocity of water jet at the inlet of turbine?
Where,

H = Net head acting on Pelton wheel
Cv = coefficient of velocity of jet

View solution

Q. Power required to drive a centrifugal pump is directly proportional to __________ of its impeller.

View solution

Q. In a reaction turbine, the draft tube is used __________

View solution

Q. The specific speed from 160 to 500 r.p.m. of a centrifugal pump indicates that the pump is __________

View solution

Q. Which of the following pump is preferred for flood control and irrigation applications?

View solution

Q. Kinematic similarity is said to exist between the model and the prototype, if both of them __________

View solution

Q. The impeller of a centrifugal pump may have __________

View solution

Q. In a Francis turbine runner, the number of blades are generally between __________

View solution

Q. The hydraulic efficiency of a reaction turbine is the ratio of __________

View solution

Q. If the ratios of the corresponding forces acting at corresponding points are equal, then the model and the prototype are said to have __________

View solution

Q. In a reciprocating pump, air vessels are used to __________

View solution

Q. The ratio of quantity of liquid discharged per second from the pump to the quantity of liquid passing per second through the impeller is known as?

View solution

Q. The working of which of the following hydraulic units is based on Pascal’s law?

View solution

Q. Which of the following pump is generally used to pump highly viscous fluid?

View solution

Q. The maximum efficiency of jet propulsion of a ship with inlet orifices at right angles to the direction of motion of ship, will be?

View solution

Q. By fitting an air vessel to the reciprocating pump, there is always a saving of work done and subsequently saving of power. This saving in case of a single acting reciprocating pump is?

View solution

Q. A Pelton wheel working under a constant head and discharge, has maximum efficiency when the speed ratio is?

View solution

Q. The cups at the periphery of the Pelton wheel are __________

View solution

Q. The maximum number of jets, generally, employed in an impulse turbine without jet interference are __________

View solution

Q. A Francis turbine is used when the available head of water is?

View solution