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

34.81 bar
26.03 bar
25 bar
23.97 bar

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Engineering Thermodynamics
First law of thermodynamics

Does not enable to determine change in entropy
All of these
Enables to determine change in internal energy of the system
Provides relationship between heat, work and internal energy

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Engineering Thermodynamics
According to Dalton's law, the total pressure of the mixture of gases is equal to

Average of the partial pressures of all
Sum of the partial pressures of all divided by average molecular weight
Greater of the partial pressures of all
Sum of the partial pressures of all

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