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Engineering Thermodynamics

Engineering Thermodynamics
One watt is equal to

1 N/m
1 Nm/s
1 kNm/hr
1 Nm/hr

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Engineering Thermodynamics
The hyperbolic process is governed by

Avogadro's law
Gay-Lussac law
Boyle's law
Charles' law

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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

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

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Engineering Thermodynamics
On weight basis, air contains following parts of oxygen

25
21
23
73

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Engineering Thermodynamics
A process, in which the gas is heated or expanded in such a way that the product of its pressure and volume remains constant, is called

Adiabatic process
Isothermal process
Polytropic process
Hyperbolic process

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Engineering Thermodynamics
The general gas energy equation is (where Q1 - 2 = Heat supplied, dU = Change in internal energy, and W1 - 2 = Work done in heat units)

Q1 - 2 = dU/W1 - 2
Q1 - 2 = dU - W1 - 2
Q1 - 2 = dU × W1 - 2
Q1 - 2 = dU + W1 - 2

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MORE MCQ ON Engineering Thermodynamics

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