Internal Combustion Engines
The ratio of the brake power to the indicated power is called

Volumetric efficiency
Mechanical efficiency
Overall efficiency
Indicated thermal efficiency

ANSWER DOWNLOAD EXAMIANS APP

Internal Combustion Engines
As compared to air standard cycle, in actual working, the effect of variation in specific heats is to

Increase maximum pressure and maximum temperature
Reduce maximum pressure and maximum temperature
Increase maximum pressure and decrease maximum temperature
Decrease maximum pressure and increase maximum temperature

ANSWER DOWNLOAD EXAMIANS APP