Question

As the cool mixture is inducted into the engine cylinder the temperature rises rapidly.

(a) True

(b) False

This question was posed to me during an online exam.

My question is taken from Heat Rejection in portion Heat Rejection and Cooling of IC Engine

Answer 1

The correct answer is:

(a) True

As the cool air-fuel mixture is inducted into the engine cylinder, it rises rapidly in temperature during the compression stroke. This happens because the mixture is compressed, which increases both the pressure and the temperature according to the laws of thermodynamics. This rapid temperature rise is crucial for initiating combustion when the fuel is ignited.