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The reheat factor depends upon

The reheat factor depends upon

A

Initial pressure and superheat

B

Exit pressure

C

Turbine stage efficiency

D

All of these

The reheat factor depends upon Correct Answer All of these

Bissoy MCQ Team

Mechanical Engineering
Steam Boilers
Engines
Nozzles And Turbines

Related Questions

Reheat factor in steam turbines depends on

A

exit pressure only

B

stage efficiency only

C

initial pressures and temperature only

D

all of the above

The reheat factor is the ratio of the

A

Cumulative heat drop to the isentropic heat drop

B

Isentropic heat drop to the heat supplied

C

Total useful heat drop to the total isentropic heat drop

D

None of the above

The value of the reheat factor varies from

A

1.02 to 1.06

B

1.08 to 1.10

C

1.2 to 1.6

D

1.6 to 2

Reheat factor is the ratio of

A

isentropic heat drop to useful heat drop

B

adiabatic heat drop to isentropic heat drop

C

cumulative actual enthalpy drop for the stages to total is isentropic enthalpy heat drop

D

none of the above

In steam turbines the reheat factor

A

increases with the increase in number of stages

B

decreases with the increase in number of stages

C

remains same irrespective of number of stages

D

none of the above

The value of reheat factor normally varies from

A

0.5 to 0.6

B

0.9 to 0.95

C

1.02 to 1.06

D

1.2 to 1.6

The value of the reheat factor is of the order of

A

0.8 to 1.0

B

1.0 to 1.05

C

1.1 to 1.5

D

above 1.5

Reheat cycle in steam power plant is used to

A

utilise heat of flue gases

B

increase thermal efficiency

C

improve condenser performance

D

reduce loss of heat

The pressure of reheat steam after passing through reheater compared to inlet condition is

A

More

B

Less

C

Equal

D

May be more or less depending on capacity of reheater

The value of stress concentration factor depends upon

A

Material and geometry of the part

B

Geometry of the part

C

Material of the part

D

None of these

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