Work done is zero for the following process
(A) Constant volume
(B) Free expansion
(C) Throttling
(D) All of the above
Correct Answer
For which of the following substances, the gas laws can be used with minimum error
(A) Dry steam
(B) Wet steam
(C) Saturated steam
(D) Superheated steam
Correct Answer
In a no flow reversible process for whichp= (3V + 15) × 105 N/m², V changes from 1 m3 to 2 m3. The work done will be about
(A) 100 × 10? joules
(B) 1 × 10? joules
(C) 10 × 10? joules
(D) 10 × 10? kilo joules