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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following is the extensive property of a thermodynamic system?

Pressure
Density
Temperature
Volume

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Engineering Thermodynamics
All perfect gases change in volume by 1/273th of its original volume at 0°C for every 1°C change in temperature, when the pressure remains constant. This statement is called

Joule's law
Boyle's law
Charles' law
Gay-Lussac law

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Engineering Thermodynamics
The natural petroleum may be separated into

Petrol
Fuel oil
Lubricating oil
Kerosene

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Engineering Thermodynamics
In an isothermal process, the internal energy

Increases
First increases and then decreases
Decreases
Remain constant

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Engineering Thermodynamics
The work ratio of simple gas turbine cycle depends upon

Minimum cycle temperature
All of these
Maximum cycle temperature
Pressure ratio

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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

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

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