A body cools from 70°C to 40°C in 5 minutes at surrounding temperature of 10°C. How long will it take for the body to cool from 49°C to 25°C?
(a) 4.3 minutes
(b) 6.5 minutes
(c) 3.3 minutes
(d) 1.8 minutes
This question was addressed to me at a job interview.
My question is based upon Cooling System topic in section Fuel Supply and Cooling System of Farm Machinery