Question

Engines of different cylinder dimensions, power and speed can be compared on the basis of __________

(a) maximum pressure

(b) fuel consumption

(c) mean effective pressure

(d) unit power

I had been asked this question in an interview for internship.

This intriguing question originated from I.C Engine topic in chapter Internal Combustion Engine of Farm Machinery

Answer 1

Right answer is (c) mean effective pressure

To explain: Basically, it is unit measurement of the output that the engine gives out. The development of the steam engine provided a reason to compare the output of horses with that of the engines that could replace them.