Question

In a diesel engine the pressure during combustion may increase to a range at _________

(a) 10-15 atm

(b) 15-20 atm

(c) 20-30 atm

(d) 55-75 atm

I have been asked this question in an interview.

I want to ask this question from Energy Cycle in portion Internal Combustion Engines of Automobile Engineering

Answer 1

Correct answer is (d) 55-75 atm

To elaborate: Pressure can increase as high as 55 to 75 atm during combustion in diesel engine.