Q.

Which of the following will happen if the thickness of refractory wall of furnace is increased?

  • AHeat loss through furnace wall will increase
  • BTemperature inside the furnace will fall 
  • CTemperature on the outer surface of furnace walls will drop
  • DEnergy consumption will increase
Correct Answer : (C)

Temperature on the outer surface of furnace walls will drop

Hints :

If the thickness of refractory wall of furnace is increased, then the temperature on the outer surface of furnace walls will drop.

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