Low specific speed of turbine implies it is

The specific speed of a turbine is the speed of an imaginary turbine, identical with the given turbine, which

A

Delivers unit discharge under unit head

B

Delivers unit discharge under unit speed

C

Develops unit power under unit head

D

Develops unit power under unit speed

Medium specific speed of turbine implies it is

A

Propeller turbine

B

Francis turbine

C

Impulse turbine

D

Any one of the above

High specific speed of turbine implies it is

A

Propeller turbine

B

Francis turbine

C

Impulse turbine

D

None of the above

Low specific speed of a pump implies it is

A

Centrifugal pump

B

Mixed flow pump

C

Axial flow pump

D

None of the above

Low specific speed of a pump implies that, it is a/an __________ pump.

A

Axial flow

B

Centrifugal

C

Mixed flow

D

None of these

The specific output per kg mass flow rate of a gas turbine (having fixed efficiencies of compressor and turbine and fixed higher and lower temperature) with increase in pressure ratio will

A

Increase first at fast rate and then slow

B

Increase first at slow rate and then fast

C

Decrease continuously

D

First increase, reach maximum and then decrease

Medium specific speed of a pump implies it is

A

Centrifugal pump

B

Mixed flow pump

C

Axial flow pump

D

Any one of the above

High specific speed of a pump implies it is

A

Centrifugal pump

B

Mixed flow pump

C

Axial flow pump

D

Any one of the above

High specific speed of a pump implies that, it is a/an __________ pump.

A

Centrifugal

B

Mixed flow

C

Axial flow

D

None of these

The specific speed of turbine is defined as the speed of a unit

A

Of such a size that it delivers unit discharge at unit head

B

Of such a size that it delivers unit discharge at unit power

C

Of such a size that it requires unit power per unit head

D

Of such a size that it produces unit horse power with unit head

Low specific speed of turbine implies it is

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