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Engineering Thermodynamics

Engineering Thermodynamics
The following cycle is used for air craft refrigeration

Joule cycle
Brayton cycle
Carnot cycle
Reversed Brayton cycle

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Engineering Thermodynamics
For the same compression ratio, the efficiency of dual combustion cycle is

Greater than Diesel cycle and less than Otto cycle
Less than Diesel cycle and greater than Otto cycle
Greater than Diesel cycle
Less than Diesel cycle

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Engineering Thermodynamics
Brayton cycle consists' of following four processes

Two isentropic, one constant volume and one constant pressure
Two isentropic and two constant volumes
Two isentropic and two constant pressures
Two isothermal and two isentropic

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Engineering Thermodynamics
Superheated vapour behaves

Approximately as a gas
As ordinary vapour
As steam
Exactly as gas

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Engineering Thermodynamics
The efficiency of the dual combustion cycle for the same compression ratio is __________ Diesel cycle.

Less than
Greater than
None of these
Equal to

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Engineering Thermodynamics
Stirling and Ericsson cycles are

Reversible cycles
Irreversible cycles
Semi-reversible cycles
Quasi-static cycles

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MORE MCQ ON Engineering Thermodynamics

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