railway RRB JE (CBT I + CBT II) Mock Test 2024 Internal Combustion Engine Engine Performance Parameter
During a Morse test on a 4-cylinder engine, the following measurements of brake power were taken at a constant speed.
All cylinders firing 3000 kW
Number 1 cylinder not firing 2062.5 kW
Number 2 cylinder not firing 2062.5 kW
Number 3 cylinder not firing 2061.5 kW
Number 4 cylinder not firing 2063.5 kW
The mechanical efficiency of the engine is:
1
91.53%
2
85.00%
3
80.00%
4
78.00%