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Engineering Thermodynamics

Engineering Thermodynamics
The same volume of all gases would represent their

Densities
Gas characteristic constants
Molecular weights
Specific weights

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Engineering Thermodynamics
Which of the following cycles has maximum efficiency?

Stirling
Rankine
Brayton
Carnot

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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
The natural petroleum may be separated into

Fuel oil
Lubricating oil
Petrol
Kerosene

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Engineering Thermodynamics
When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel, the process is known as __________ of fuel.

Combustion
None of these
Carbonization
Atomization

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Engineering Thermodynamics
Mixture of ice and water form a

Open system
Closed system
Isolated system
Heterogeneous system

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