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Engineering Thermodynamics

Engineering Thermodynamics
The heat flows from a cold body to a hot body with the aid of an external source. This statement is given by

Clausis
Kelvin
Gay-Lussac
Joule

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Engineering Thermodynamics
The gas constant (R) is equal to the

Ratio of two specific heats
Product of two specific heats
Difference of two specific heats
Sum of two specific heats

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Engineering Thermodynamics
The main cause for the irreversibility is

All of these
Unrestricted expansion
Heat transfer with a finite temperature difference
Mechanical and fluid friction

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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 process
Thermodynamic cycle
None of the listed here
Thermodynamic law

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Engineering Thermodynamics
Those substances which have so far not been resolved by any means into other substances of simpler form are called

Compounds
Atoms
Molecules
Elements

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Engineering Thermodynamics
For reversible adiabatic process, change in entropy is

Negative
Minimum
Zero
Maximum

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