Question:

Regenerators are associated with

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Regenerators are used in tank furnaces to recover heat from exhaust gases and preheat combustion air.
  • Roller kiln
  • Pot furnace
  • Tank furnaces
  • Shuttle kiln
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The Correct Option is C

Solution and Explanation

Concept: Regenerators are heat recovery chambers used in glass tank furnaces. They store heat from outgoing hot gases and use it to preheat incoming air.

Step 1:
In glass melting, large tank furnaces operate continuously at high temperature.

Step 2:
A large amount of heat is carried away by exhaust gases.

Step 3:
Regenerators recover this heat and improve fuel efficiency.

Step 4:
They are commonly associated with regenerative tank furnaces used in glass production. Therefore, regenerators are associated with: \[ \boxed{\text{Tank furnaces}} \]
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