Ratio of the actual power produced by the turbine to the energy actually supplied by the turbine
Ratio of the actual work available at the turbine to the energy imparted to the wheel
Ratio of the Work done on the wheel to the energy of the jet
None of the above
B. Ratio of the actual work available at the turbine to the energy imparted to the wheel
Straight
Bent forward
Bent backward
Radial
102 watts
75 watts
550 watts
735 watts
Centrifugal pump
Reciprocating pump
Jet pump
Airlift pump
Directly as the air or gas density
Inversely as square root of density
Inversely as density
As square of density
Fourneyron turbine
Journal turbine
Thomson's turbine
Pelton wheel
The reaction turbines are used for low head and high discharge.
The angle of taper on draft tube is less than 8°.
An impulse turbine is generally fitted slightly above the tail race.
A Francis turbine is an impulse turbine.
(D/2d) + 5
(D/2d) + 10
(D/2d) + 15
(D/2d) + 20
The wheel runs entirely by the weight of water
The wheel runs entirely by the impulse of water
The wheel runs partly by the weight of water and partly by the impulse of water
None of the above
Directly as fan speed
Square of fan speed
Cube of fan speed
Square root of fan speed
Directly as the air or gas density
Inversely as square root of density
Inversely as density
As square of density
Net head
Absolute velocity
Blade velocity
Flow
Centrifugal pump
Reciprocating pump
Air lift pump
Screw pump
Greater than 15°
Greater than 8°
Greater than 5°
Less than 8°
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
Decreases
Increases
Remain same
None of these
The suction pressure should be high
The delivery pressure should be high
The suction pressure should be low
The delivery pressure should be low
[2(Vr - v) v]/ Vr²
2(Vr + v) v]/ Vr²
[(Vr - v) v]/ Vr
[(Vr + v) v]/ Vr
Centrifugal pump
Reciprocating pump
Jet pump
Air lift pump
1/√2
1/2
1
√2
Strain
Pressure
Kinetic
None of these
Pelton wheel
Kaplan turbine
Francis turbine
None of these
10 r.p.m.
20 r.p.m.
40 r.p.m.
80 r.p.m.
10° to 15°
15° to 20°
20° to 25°
25° to 30°
39.2 %
49.2 %
68.8 %
84.8 %
Directly proportional to N
Inversely proportional to N
Directly proportional to N²
Inversely proportional to N²
(W/p) × (A/a)
(p/W) × (a/A)
(W/p) × (a/A)
(p/W) × (A/a)
Adjustable blades
Backward curved blades
Vaned diffusion casing
Inlet guide blades
Two jets
Two runners
Four jets
Four runners
Directly proportional to H1/2
Inversely proportional to H1/2
Directly proportional to H3/2
Inversely proportional to H3/2
Store the energy of water
Increase the pressure of water
To lift water from deep wells
To lift small quantity of water to a greater height when a large quantity of water is available at a smaller height