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Engineering Thermodynamics

Engineering Thermodynamics
General gas equation is

PV=nRT
PV=KiRT
PV=mRT
PV = C

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Engineering Thermodynamics
First law of thermodynamics furnishes the relationship between

Heat and work
Various thermodynamic processes
Heat, work and properties of the system
Various properties of the system

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Engineering Thermodynamics
The area under the temperature-entropy curve (T – s curve) of any thermodynamic process represents

None of the listed here
Either heat absorbed or heat rejected
Heat absorbed
Heat rejected

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Engineering Thermodynamics
For same compression ratio and for same heat added

Otto cycle is more efficient than Diesel cycle
Diesel cycle is more efficient than Otto cycle
Efficiency depends on other factors
Both Otto and Diesel cycles are equally efficient

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Engineering Thermodynamics
Kinetic energy of the molecules in terms of absolute temperature (T) is proportional to

J
J²
T
Vr

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Engineering Thermodynamics
Reversed Joule cycle is known as

Carnot cycle
Bell-Coleman cycle
Stirling cycle
Rankine cycle

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MORE MCQ ON Engineering Thermodynamics

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