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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following is an irreversible cycle?

None of these
Stirling
Ericsson
Carnot

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

Equal to
Greater than
Less than
None of these

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Engineering Thermodynamics
In an isothermal process

There is no change in temperature
All of the listed here
There is no change in internal energy
There is no change in enthalpy

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Engineering Thermodynamics
Which law states that the specific heat of a gas remains constant at all temperatures and pressures?

Joule's Law
Boyle's Law
Regnault's Law
Charles' Law

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Engineering Thermodynamics
When a gas is heated at constant volume

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

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Engineering Thermodynamics
When coal is first dried and then crushed to a fine powder by pulverizing machine, the resulting fuel is called

Briquetted coal
Wood charcoal
Bituminous coal
None of these

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