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Engineering Thermodynamics

Engineering Thermodynamics
The unit of energy in S.I. units is

joule/m
joule/s
watt
Joule

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Engineering Thermodynamics
When the gas is heated at constant pressure, the heat supplied

Increases the temperature of the gas
Does some external work during expansion
Both (B) and (C)
Increases the internal energy of the gas

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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

Molecule
Atom
Compound
Element

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Engineering Thermodynamics
Superheated vapour behaves

As ordinary vapour
As steam
Approximately as a gas
Exactly as gas

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Engineering Thermodynamics
Reversed joule cycle is called

Carnot cycle
Bell Coleman cycle
Brayton cycle
Rankine cycle

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Engineering Thermodynamics
During which of the following process does heat rejection takes place in Carnot cycle?

Isentropic compression
Isothermal compression
Isentropic expansion
Isothermal expansion

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