KERALA UNIVERSITY Class 7 refrigeration and air conditioning Question Paper 2013

Practice authentic previous year questions for better exam preparation.

Sample Questions

Use of psychrometric chart and Refrigeration properties table permitted.
Answer all questions from Part A and any four full questions from Part B. > PART - A (Answer all questions. Each question carries 2 marks.)
A heat pump works on reversed Carnot cycle between temperature limits of $-10^{\circ} \mathrm{C}$ and $27^{\circ} \mathrm{C}$. Find its COP.
Which air refrigeration system will you prefer for cooling exceptionally high speed aircrafts? Why?
Give the p-V diagram of Reversed Joule cycle showing various processes on it.