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Engineering Thermodynamics

Engineering Thermodynamics
The molecular mass expressed in gram (i.e. 1 g - mole) of all gases, at N. T. P., occupies a volume of

22.4 liters
224 liters
0.224 liters
2.24 liters

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Engineering Thermodynamics
Energy can neither be created nor destroyed but can be converted from one form to other is inferred from

First law of thermodynamics
Zeroth low of thermodynamic
Basic law of thermodynamics
Second law to thermodynamics

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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
-80 kJ
+60 kJ

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Engineering Thermodynamics
The gas constant (R) is equal to the __________ of two specific heats.

Sum
Ratio
Product
Difference

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Engineering Thermodynamics
The reading of the pressure gauge fitted on a vessel is 25 bar. The atmospheric pressure is 1.03 bar and the value of 'g' is 9.81 m/s2. The absolute pressure in the vessel is

25 bar
23.97 bar
34.81 bar
26.03 bar

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Engineering Thermodynamics
During which of the following process does heat rejection takes place in Carnot cycle?

Isothermal compression
Isothermal expansion
Isentropic expansion
Isentropic compression

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