Internal Combustion Engines
Supercharging is the process of

Injecting excess fuel for raising more loads
Supplying the intake of an engine with air at a density greater than the density of the surrounding atmosphere
Supplying compressed air to remove combustion products fully
Providing forced cooling air

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

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

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