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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following is an irreversible cycle?

None of these
Stirling
Carnot
Ericsson

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Engineering Thermodynamics
Reversed joule cycle is called

Carnot cycle
Brayton cycle
Rankine cycle
Bell Coleman cycle

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Engineering Thermodynamics
The state of a substance whose evaporation from its liquid state is complete, is known as

Perfect gas
Steam
Air
Vapour

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Engineering Thermodynamics
The mass of excess air supplied is equal to

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

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Engineering Thermodynamics
The heat absorbed or rejected by the working substance is given by (where ds = Increase or decrease of entropy, T = Absolute temperature, and dQ = Heat absorbed or rejected)

dQ = ds/T
δQ = T/ds
None of the listed here
δQ = T.ds

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Engineering Thermodynamics
Specific heat of air at constant pressure is equal to

0.24
0.21
1
0.17

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