Our website is made possible by displaying online advertisements to our visitors. Please consider supporting us by whitelisting our website.

The efficiency of I.C. engines normally is of the order of_________________?

The efficiency of I.C. engines normally is of the order of_________________?

A. 15-20%
B. 20-25%
C. 25-30%
D. 30-35%
E. 35-50%