If Stirling cycle with regenerative arrangement and Carnot cycle operate within same temperature limits, then the thermal efficiency of Carnot cycle will be ___________

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

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

A

more

B

less

C

equal

D

none of the mentioned

Which one of the following four addresses is NOT EXACTLY same as the one given below? David Stancey 35 Stirling Highway Perth WA 6009 Ireland (i) David Stancey 35 Strrling Highway Perth WA 6009 Ireland (ii) David Stancey 35 Stirling Highway Perth WA 6009 Ireland (iii) David Stancey 35 Stirling Highway Perth WA 6009 Ireland (iv) David Stancey 35 Stirling Highway Perth WA 6009 Ireland

A

iv

B

i

C

ii

D

iii

The efficiency of regenerative Stirling cycle is ____ the efficiency of Carnot cycle.

A

more than

B

less than

C

equal to

D

none of the mentioned

The cycle of evaporation and rain in nature can be assumed to be a kind of Carnot cycle. If ocean water instead of evaporation are boiled by the heat of Sun at a constant temperature of 100 deg C and the condensation of steam into water droplets within the clouds occur at constant temperature of -20 deg C. Find the thermal efficiency of Carnot cycle of nature?

A

0.2777

B

0.3030

C

0.3333

D

0.50

The regenerative, Stirling and Ericsson cycles have same efficiency as Carnot cycle.

A

true

B

false

Consider the following statements: 1. The air standard efficiency of an Otto cycle is a function of the properties of the working substance (gas) 2. For the same compression ratio and same input, the thermal efficiency of an Otto cycle is more than that of a Diesel cycle 3. Thermal efficiency of a Diesel cycle increases with decrease of cut-off ratio Which of the above statements are correct?

A

1 and 2 only

B

1 and 3 only

C

2 and 3 only

D

1, 2 and 3

The efficiency of Stirling cycle is ____ the efficiency of Carnot cycle.

A

more than

B

less than

C

equal to

D

none of the mentioned

Determine the correctness or otherwise of the following Assertion [a] and the Reason [r]. Assertion [a]: In a power plant working on a Ranking cycle, the regenerative feed water heating improves the efficiency of the steam turbine. Reason [r]: The regenerative feed water heating raises the average temperature of heat addition in the Rankine cycle.

A

Both [a] and [r] are true and [r] is the correct reason for [a].

B

Both [a] and [r] are true but [r] is NOT the correct reason for [a].

C

Both [a] and [r] are false

D

[a] is false and [r] is true.

The efficiency of an ideal regenerative cycle is ____ the Carnot cycle efficiency.

A

greater than

B

equal to

C

less than

D

none of the mentioned

If Stirling cycle with regenerative arrangement and Carnot cycle operate within same temperature limits, then the thermal efficiency of Carnot cycle will be ___________

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