At the top

At the bottom

At the canter

From sides

C. At the canter

Centrifugal pump

Reciprocating pump

Air lift pump

Screw pump

Tangential flow impulse turbine

Inward flow impulse turbine

Outward flow impulse turbine

Inward flow reaction turbine

Centrifugal pump

Reciprocating pump

Jet pump

Airlift pump

Diameter

Square of diameter

Cube of diameter

Fourth power of diameter

175.4 r.p.m.

215.5 r.p.m.

241.5 r.p.m.

275.4 r.p.m

Low head

High head

High head and low discharge

Low head and high discharge

Rotational flow

Radial

Forced spiral vortex flow

Spiral vortex flow

Give high discharge

Produce high heads

Pump viscous fluids

All of these

waV/2g × sinθ

waV/g × sinθ

waV²/2g × sin2θ

waV²/g × sinθ

L.A.N

2 L.A.N

(L.A.N)/60

(2 L.A.N)/60

Diameter of jet to the diameter of Pelton wheel

Velocity of jet to the velocity of Pelton wheel

Diameter of Pelton wheel to the diameter of jet

Velocity of Pelton wheel to the velocity of jet

Centrifugal

Axial flow

Reciprocating

Mixed flow

0.25 kW

0.75 kW

1.75 kW

3.75 kW

Allow the water to enter the runner without shock

Allow the water to flow over them, without forming eddies

Allow the required quantity of water to enter the turbine

All of the above

39.2 %

48.8 %

84.8 %

88.4 %

Lift and resultant force

Drag and resultant force

Lift and tangential force

Lift and drag

Directly as the air or gas density

Inversely as square root of density

Inversely as density

As square of density

Ratio of diameters

Square of ratio of diameters

Inverse ratio of diameters

Square of inverse ratio of diameters

Increases with increase in pressure

Decreases with increase in pressure

More or less remains constant with increase in pressure

Unpredictable

_{h} = η_{o} × η_{m}

_{m} = η_{m} × η_{h}

_{o} = η_{h} × η_{m}

None of these

Inlet of draft rube

Blade inlet

Guide blade

Penstock

Directly as the air or gas density

Inversely as square root of density

Inversely as density

As square of density

Have identical velocities

Are equal in size and shape

Are identical in shape, but differ only in size

Have identical forces

Geometric similarity

Kinematic similarity

Dynamic similarity

None of these

Horizontal

Nearly horizontal

Steep

First rise and then fall

10° to 15°

15° to 20°

20° to 25°

25° to 30°

Directly as fan speed

Square of fan speed

Cube of fan speed

Square root of fan speed

waVr /g × (Vr + v)

waVr /g × (Vr - v)

waVr /g × (Vr + v)²

waVr /g × (Vr - v)²

Propeller turbine

Francis turbine

Impulse turbine

Any one of the above

0.15 to 0.3

0.4 to 0.5

0.6 to 0.9

1 to 1.5