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Engineering Thermodynamics

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

Minute
Hour
Second
Day

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Engineering Thermodynamics
The total energy of a molecule is shared equally by the various degrees of freedom possessed by it. This law is known as

Law of degradation of energy
Law of conservation of energy
Law of equipartition of energy
None of the listed here

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Engineering Thermodynamics
A path 1-2-3 is given. A system absorbs 100 kJ as heat and does 60 kJ of work while along the path 1-4-3, it does 20 kJ of work. The heat absorbed during the cycle 1-4-3 is

-40 kJ
-140 kJ
-80 kJ
+60 kJ

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

Pressure
Volume
Temperature
Internal energy

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

Air
Vapour
Steam
Perfect gas

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Engineering Thermodynamics
The general law of expansion or compression is pvn = C, The process is said to be hyperbolic, if n is equal to

∝
γ
1

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MORE MCQ ON Engineering Thermodynamics

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