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Engineering Thermodynamics

Engineering Thermodynamics
If value of n is infinitely large in a polytropic process pVn = C, then the process is known as constant

Volume
Temperature
Pressure
Enthalpy

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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

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

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

Tonne
Gram
Kilogram
Quintal

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Engineering Thermodynamics
Carnot cycle efficiency is maximum when

Initial temperature is 0°K
Difference between initial and final temperature is 0°K
Final temperature is 0°K
Final temperature is 0°C

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Engineering Thermodynamics
The principal constituents of a fuel are

Sulphur and oxygen
Oxygen and hydrogen
Carbon and hydrogen
Sulphur and hydrogen

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Engineering Thermodynamics
According to Kelvin-Planck's statement, a perpetual motion of the __________ is impossible.

None of these
First kind
Second kind
Third kind

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