Engineering Thermodynamics
According to Avogadro’s law

Equal volumes of all gases, at the same temperature and pressure, contain equal number of molecules
All of these
The product of the gas constant and the molecular mass of an ideal gas is constant
The sum of partial pressure of the mixture of two gases is sum of the two

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Engineering Thermodynamics
Extensive property of a system is one whose value

Is dependent on the path followed and not on the state
Is not dependent on the path followed but on the state
Depends on the mass of the system like volume
Does not depend on the mass of the system, like temperature, pressure, etc.

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Engineering Thermodynamics
The condition for the reversibility of a cycle is

All of these
The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process
All the processes, taking place in the cycle of operation, must be extremely slow
The working parts of the engine must be friction free

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