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Engineering Thermodynamics

Engineering Thermodynamics
In S. I. units, the value of the universal gas constant is

831.4 J/kg mole-K
8.314 J/kg mole-K
8314 J/kg mole-K
83.14 J/kg mole-K

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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
-40 kJ
+60 kJ
-80 kJ

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Engineering Thermodynamics
The heat and work are mutually convertible. This statement is called ___ law of thermodynamics.

Second
First
Third
Zeroth

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Engineering Thermodynamics
In a Carnot cycle, heat is transferred at

Constant enthalpy
Constant volume
Constant pressure
Constant temperature

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Engineering Thermodynamics
A process of heating crude oil to a high temperature under a very high pressure to increase the yield of lighter distillates, is known as

Cracking
Carbonization
Fractional distillation
Full distillation

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Engineering Thermodynamics
The amount of heat required to raise the temperature of __________ water through one degree is called kilojoules.

10 g
1000 g
1 g
100 g

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