engineering recuitment RVUNL JEn (RSEB) Mock Tests 2025 Internal Combustion Engine Engine Performance Parameter
An engine at full load delivers 200 kW brake power. It requires 25 kW to rotate it without fuel at the same speed. The mechanical efficiency at half load is:
1
80 %
2
50 %
3
25 %
4
66.7 %
5
75 %