Rankine cycle comprises of two isothermal and two __________ processes.

A cycle consisting of __________ and two isothermal processes is known as Stirling cycle.

A

Two constant pressure

B

Two constant volume

C

Two isentropic

D

One constant pressure, one constant volume

A cycle consisting of _________ and two isothermal processes is known as Stirling cycle.

A

Two isentropic

B

One constant pressure, one constant volume

C

Two constant volumes

D

Two constant pressures

A cycle consisting of two isothermal and two isentropic processes, is known as

A

Carnot cycle

B

Stirling cycle

C

Ericsson cycle

D

Joule cycle

The thermodynamic difference between a Rankine cycle working with saturated steam and the Carnot cycle is that

A

Carnot cycle can't work with saturated steam

B

Heat is supplied to water at temperature below the maximum temperature of the cycle

C

A Rankine cycle receives heat at two places

D

Rankine cycle is hypothetical

The isothermal and adiabatic processes are regarded as

A

Reversible process

B

Irreversible process

C

Reversible or irreversible process

D

None of these

In Rankine cycle the work output from the turbine is given by

A

change of internal energy between inlet and outlet

B

change of enthaply between inlet and outlet

C

change of entropy between inlet and outlet

D

change of temperature between inlet and outlet

Rankine cycle efficiency of a good steam power plant may be in the range of

A

15 to 20 per cent

B

35 to 45 per cent

C

70 to 80 per cent

D

90 to 95 per ceut

Efficiency of Rankine cycle can be increased by

A

Decreasing initial steam pressure and temperature

B

Increasing exhaust pressure

C

Decreasing exhausts pressure

D

Increasing the expansion ratio

What is the correct sequence for Rankine cycle?

A

Pump-Boiler-Turbine-Condenser

B

Turbine- Boiler-Pump-Condenser

C

Pump-Turbine-Condenser-Boiler

D

Boiler- Pump- Turbine- Condenser

Data processing cycle comprises

A

input, storage and output

B

store, retrieve and output

C

input, output and retrieve

D

input, processing and output

Rankine cycle comprises of two isothermal and two __________ processes.

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