Delivers unit discharge under unit head
Delivers unit discharge under unit speed
Develops unit power under unit head
Develops unit power under unit speed
C. Develops unit power under unit head
Kept fully closed
Kept fully open
Irrespective of any position
Kept 50% open
2 to 4
4 to 8
8 to 16
16 to 24
10-15°
20-25°
30-40°
50-60°
0 to 4.5
10 to 100
80 to 200
250 to 300
Rectilinear flow
Radial flow
Free vortex motion
Forced vortex
Centrifugal pump
Reciprocating pump
Jet pump
Air lift pump
Slow speed with radial flow at outlet
Medium speed with radial flow at outlet
High speed with radial flow at outlet
High speed with mixed flow at outlet
One-half
One-third
Two-third
Three-fourth
Impulse turbines
Reaction turbines
Axial flow turbines
Mixed flow turbines
Horizontal
Nearly horizontal
Steep
First rise and then fall
Installing the turbine below the tail race level
Using stainless steel runner of the turbine
Providing highly polished blades to the runner
All of the above
Pelton wheel
Kaplan turbine
Francis turbine
None of these
0.25 kW
0.75 kW
1.75 kW
3.75 kW
0.50 to 0.65
0.65 to 0.75
0.75 to 0.85
0.85 to 0.90
To transport water downstream without eddies
To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section
For safety of turbine
To increase flow rate
Two cylinders, two rams and a storage device
A cylinder and a ram
Two coaxial rams and two cylinders
A cylinder, a piston, storage tank and control valve
Velocity of flow at inlet to the theoretical jet velocity
Theoretical velocity of jet to the velocity of flow at inlet
Velocity of runner at inlet to the velocity of flow at inlet
None of the above
No flow will take place
Cavitation will be formed
Efficiency will be low
Excessive power will be consumed
Casing
Delivery pipe
Suction pipe
Impeller
The water flows parallel to the axis of the wheel
The water enters at the centre of the wheel and then flows towards the outer periphery of the wheel
The water enters the wheel at the outer periphery and then flows towards the centre of the wheel
The flow of water is partly radial and partly axial
Geometric similarity
Kinematic similarity
Dynamic similarity
None of these
Directly proportional
Inversely proportional
4th power
None of these
Product
Difference
Sum
None of these
Propeller turbine
Francis turbine
Impulse turbine
Any one of the above
Volute casing
Volute casing with guide blades
Vortex casing
Any one of these
Of such a size that it delivers unit discharge at unit head
Of such a size that it delivers unit discharge at unit power
Of such a size that it requires unit power per unit head
Of such a size that it produces unit horse power with unit head
Girad turbine
Turgo turbine
Pelton wheel
Kaplan turbine
Centrifugal pump
Reciprocating pump
Jet pump
Air lift pump
Have identical velocities
Are equal in size and shape
Are identical in shape, but differ only in size
None of the above
The centrifugal pump is suitable for large discharge and smaller heads.
The centrifugal pump requires less floor area and simple foundation as compared to reciprocating pump.
The efficiency of centrifugal pump is less as compared to reciprocating pump.
All of the above