SSC JE Mechanical 9 Oct 2023 Shift 2 Paper

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Question : 144 of 200

Marks: +1, -0

The function of an air pre-heater is _________

to decrease the temperature of air after entering the furnace
to increase the temperature of air after entering the furnace
to decrease the temperature of air before entering the furnace
to increase the temperature of air before entering the furnace

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