Q. In which turbine the pressure energy of water is first converted into kinetic energy by means of nozzle kept close to the runner?

View solution

Q. The pressure of water is atmospheric and remains constant while passing over the runner in __________

View solution

Q. The energy of water entering the reaction turbine is _______

View solution

Q. Which of the following is an example of impulse turbine?

View solution

Q. The runner of __________ turbine always be under pressure of above atmospheric pressure.

View solution

Q. What is the head of water available at turbine inlet in hydro-electric power plant called?

View solution

Q. Gross head is the difference between __________

View solution

Q. What is runaway speed of the runner of Pelton wheel?

View solution

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