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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following cycles is not a reversible cycle?

Carnot
None of the listed here
Ericsson
Stirling

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

Pascal
kg/cm²
mm of water column
Dyne per square cm

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Engineering Thermodynamics
A mixture of gas expands from 0.03 m3 to 0.06 m3 at a constant pressure of 1 MPa and absorbs 84 kJ of heat during the process. The change in internal energy of the mixture is

54 kJ
84 kJ
30 kJ
114 kJ

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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

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

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Engineering Thermodynamics
The mass of excess air supplied is equal to

(100/23) × Mass of excess oxygen
(23/100) × Mass of excess oxygen
(100/23) × Mass of excess carbon
(23/100) × Mass of excess carbon

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Engineering Thermodynamics
In an extensive property of a thermodynamic system

Extensive work is done
None of the listed here
Extensive energy is utilized
Extensive heat is transferred

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