Work done in a free expansion process is
(A) Zero
(B) Maximum
(C) Minimum
(D) Positive
Which of the following laws is applicable for the behaviour of a perfect gas?
(A) Boyle's law
(B) Charles ‘law
(C) Gay Lussac’s law
(D) All of the above
The unit of temperature in S.I. units is
(A) Centigrade
(B) Celsius
(C) Fahrenheit
(D) Kelvin
A cycle consisting of _________ and two isothermal processes is known as Stirling cycle.
(A) Two isentropic
(B) One constant pressure, one constant volume
(C) Two constant volumes
(D) Two constant pressures