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Engineering Thermodynamics

Engineering Thermodynamics
For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be

Maximum
Minimum
Infinity
Zero

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Engineering Thermodynamics
Which of the following processes are thermodynamically reversible?

Constant volume and constant pressure
Free expansion
Throttling
Isothermal and adiabatic

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Engineering Thermodynamics
In an isothermal process, the internal energy of gas molecules

Remain constant
Increases
May increase/decrease depending on the properties of gas
Decreases

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Engineering Thermodynamics
The following cycle is used for air craft refrigeration

Brayton cycle
Joule cycle
Carnot cycle
Reversed Brayton cycle

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Engineering Thermodynamics
A definite area or a space where some thermodynamic process takes place is known as

Thermodynamic process
Thermodynamic system
Thermodynamic cycle
Thermodynamic law

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Engineering Thermodynamics
The smallest quantity of a substance, which can exist by itself in a chemically recognizable form is known as

Element
Compound
Atom
Molecule

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