Question

The boiling point of the coolant should be ______

(a) low

(b) high

(c) medium

(d) none of the above

This question was addressed to me during an interview for a job.

This intriguing question originated from Coolants topic in section Cooling System of Automotive Engine Design

Answer 1

Right option is (b) high

To explain: The boiling point of them should be high thereby minimum loss due to evaporation and the coolant can be operated at the higher temperature.