## Engineering Thermodynamics The statement that molecular weights of all gases occupy the same volume is known as

Law of thermodynamics
Gas law
Dalton's law

## Engineering Thermodynamics In a no flow reversible process for which p = (-3V + 15) × 105 N/m², V changes from 1 m3 to 2 m3. The work done will be about

1 × 10⁵ joules
10 × 10⁵ kilo joules
10 × 10⁵ joules
100 × 10⁵ joules

1.87
1
1.67
1.4

## Engineering Thermodynamics When the gas is cooled at constant pressure,

Both temperature and volume decreases
Its temperature increases but volume decreases
Both temperature and volume increases
Its volume increases but temperature decreases

## Engineering Thermodynamics The specific heat at constant volume is

The amount of heat required to raise the temperature of unit mass of gas through one degree, at constant volume
Any one of the above
The amount of heat required to raise the temperature of unit mass of gas through one degree, at constant pressure
The amount of heat required to raise the temperature of 1 kg of water through one degree