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Engineering Thermodynamics

Engineering Thermodynamics
Reversed joule cycle is called

Bell Coleman cycle
Carnot cycle
Brayton cycle
Rankine cycle

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Engineering Thermodynamics
The ideal efficiency of a Brayton cycle without regeneration, with increase in pressure ratio will

Remain unchanged
Decrease
Increase/decrease depending on application
Increase

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Engineering Thermodynamics
The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is

Greater than one
Less than one
Equal to one
None of these

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

Less
More
Depends on other factors
Equal

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Engineering Thermodynamics
Otto cycle is also known as

Constant volume cycle
Constant temperature cycle
Constant pressure cycle
Constant temperature and pressure cycle

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Engineering Thermodynamics
The absolute zero pressure can be attained at a temperature of

None of these
-273°C
273 K
0°C

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MORE MCQ ON Engineering Thermodynamics

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