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Engineering Thermodynamics

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

Joule
Charles
None of these
Boyle

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Engineering Thermodynamics
Diesel cycle consists of following four processes

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

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Engineering Thermodynamics
When a system changes its state from one equilibrium state to another equilibrium state, then the path of successive states through which the system has passed, is known as

Thermodynamic law
Thermodynamic cycle
None of the listed here
Thermodynamic process

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Engineering Thermodynamics
In a Carnot cycle, heat is transferred at

Constant volume
Constant pressure
Constant enthalpy
Constant temperature

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Engineering Thermodynamics
During throttling process

There is no change of internal energy of steam
No work is done by expanding steam
Heat exchange does not take place
All of these

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Engineering Thermodynamics
The efficiency of Diesel cycle increases with

None of these
Decrease in cut-off
Constant cut-off
Increase in cut-off

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