Questions
3
Which type of turbine is used to change the velocity of the water through its flow?
Answer: Impulse turbines
4
A hydraulic turbine converts the potential energy of water into
Answer: Kinetic energy
6
Hydraulic turbine converts hydro energy into mechanical by using ___ of water.
Answer: both (A) and (B)
9
Surge tank is usually utilized in those plants where distance between the forebay and the turbine is
Answer: Large
10
The water compressibility effect produces traveling waves of pressure and is usually called
Answer: water hammer
11
In Propeller turbine, the water flows ___ through the runner.
Answer: Axially
12
The following converts the dynamic pressure (kinetic energy) into static pressure
Answer: Draft tube
14
Kaplan turbine is a propeller turbine having vanes on rotor are:
Answer: Adjustable
16
The discharge through a single acting reciprocating pump having speed N rpm is:
Answer: 2 LAN/60
17
The force exerted by a jet of water on a stationery vertical plate in the direction of jet is given by:
Answer: ρAV2
18
Hydraulic ram is a pump which works
Answer: on the principle of water hammer
19
Hydraulic gradient line represents the sum of
Answer: pressure head and datum head
20
Pelton wheel is used in those place where
Answer: high head and low discharge are available
