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Engineering Thermodynamics

Engineering Thermodynamics
For the same compression ratio, the efficiency of Diesel cycle is __________ Otto cycle.

Greater than
Less than
Equal to
None of these

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Engineering Thermodynamics
When a gas is heated at constant volume

Its pressure will increase
Neither temperature nor pressure will increase
Its temperature will increase
Both temperature and pressure will increase

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Engineering Thermodynamics
The heat and mechanical energies are mutually convertible. This statement was established by

Charles
None of these
Boyle
Joule

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Engineering Thermodynamics
The efficiency of Carnot cycle depends upon

Cut-off ratio and compression ratio
Volume compression ratio
Pressure ratio
Temperature limits

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

Stirling cycle
Ericsson cycle
Carnot cycle
Joule cycle

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Engineering Thermodynamics
Brayton cycle consists' of following four processes

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

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