D) None Of the Above
- X and Y can do a piece of work in 20 days and 12 days respectively. X started the work alone, and then after 4 days, Y joined him until the completion of the work. How long did the work last?
- On Mollier chart free expansion, or throttling process from high pressure to atmosphere is represented by
- The work done by a force F = i+j+k in moving an object from a point p(1,1,1) to the point Q(1,2,2) is?
- When a gas is subjected to adiabatic expansion, it gets cooled due to