During which of the following process does heat rejection takes place in Carnot cycle?

If both Stirling and Carnot cycles operate within the same temperature limits, then efficiency of Stirling cycle as compared to Carnot cycle

A

More

B

Less

C

Equal

D

Depends on other factors

একটি কর্নো ইঞ্জিন 500 K এবং 205 K তাপমাত্রার দুইটি আধারের মাধ্যমে পরিচালিত হয়। প্রত্যেক চক্রে ইঞ্জিন যদি উৎস থেকে 1 kcal তাপ গ্রহণ করে তাহলে প্রত্যেক চক্রে তাপ গ্রাহকে তাপ বর্জন করার পরিমাণ কত? ( A Carnot engine is operated between two reservoirs at temperatures of 500 K and 250K. If the engine receives 1 kcal of heat from the source in each cycle, the amount of heat rejected to the sink in each cycle is-)

A

500 cal

B

1000 cal

C

500 kcal

D

10 kcal

একটি কার্নো ইঞ্জিন 500K এবং 250K তাপমাত্রার দুইটি আধারের মাধ্যমে পরিচালিত হয়। প্রত্যেক চক্রে ইঞ্জিন যদি উৎস থেকে । kcal তাপ গ্রহণ করে তাহলে প্রত্যেক চক্রে তাপ গ্রাহকে তাপ বর্জন করার পরিমাণ কত? ( A Carnot engine is operated between two reservoirs at temperatures of 500 K and 250 K. If the engine receives 1 kcal of heat from the source in cach cycle, the amount of heat rejected to the sink in each cycle is --)

A

500 cal

B

1000 cal

C

500 kcal

D

10 kcal

The efficiency of Stirling cycle is __________ Carnot cycle.

A

Greater than

B

Less than

C

Equal to

D

None of these

The efficiency of Ericsson cycle is __________ Carnot cycle.

A

Greater than

B

Less than

C

Equal to

D

None of these

Carnot cycle is also termed as the constant __________ cycle in thermodynamics.

A

Entropy

B

Pressure

C

Volume

D

Heat

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 C.O.P. of a heat pump working on a reversed Carnot cycle is

A

$$\frac{{{{\text{T}}_1}}}{{{{\text{T}}_2} - {{\text{T}}_1}}}$$

B

$$\frac{{{{\text{T}}_2} - {{\text{T}}_1}}}{{{{\text{T}}_1}}}$$

C

$$\frac{{{{\text{T}}_1} - {{\text{T}}_2}}}{{{{\text{T}}_1}}}$$

D

$$\frac{{{{\text{T}}_2}}}{{{{\text{T}}_2} - {{\text{T}}_1}}}$$

In a Carnot cycle, heat is transferred at

A

Constant pressure

B

Constant volume

C

Constant temperature

D

Constant enthalpy

Efficiency of a heat engine working on Carnot cycle between two temperature levels depends upon the

A

Two temperatures only

B

Pressure of working fluid

C

Mass of the working fluid

D

Mass and pressure both of the working fluid

During which of the following process does heat rejection takes place in Carnot cycle?

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