KERALA UNIVERSITY Class 7 refrigeration and air conditioning Question Paper 2020

Practice authentic previous year questions for better exam preparation.

Sample Questions

(a) Explain with neat sketch working of regenerative air-conditioning system with its T -s diagram.
(a) Explain with neat sketch and describe
(b) A simple air cooled system is used for a aeroplane having the load of 9 TR. The atmospheric pressure and temperature are 0.9 bar and $10^{\circ} \mathrm{C}$ respectively. During ramming pressure increases to 1.013 bar. In the heat exchanger the t...
(a) A bootstrap cooling system of 9 TR capacity is employed in an aeroplane . The ambient air temperature and pressure is $20^{\circ} \mathrm{C}$ and 0.86 bar respectively. The pressure of air increases from 0.86 bar to I bar due to ramming action of...
How the vapour compression refrigeration system works? Draw the T-S diagram to represent vapour compression process.