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Engineering Thermodynamics

Engineering Thermodynamics
Which law states that the internal energy of a gas is a function of temperature?

Joule's law
Charles' law
There is no such law
Boyle's law

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Engineering Thermodynamics
One molecule of oxygen is __________ times heavier than the hydrogen atom.

16
14
32
12

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

Minute
Second
Day
Hour

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Engineering Thermodynamics
In a no flow reversible process for which p = (-3V + 15) × 105 N/m², V changes from 1 m3 to 2 m3. The work done will be about

10 × 10⁵ kilo joules
1 × 10⁵ joules
100 × 10⁵ joules
10 × 10⁵ joules

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

Isothermal expansion
Isentropic compression
Isothermal compression
Isentropic expansion

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Engineering Thermodynamics
Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant

Temperature
Pressure
Internal energy
Volume

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MORE MCQ ON Engineering Thermodynamics

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