An improved and fuel efficient version of the pusher type reheating furnace is the ______________ furnace?
Correct answer: A. Walking beam
- A. Walking beam
- B. Shaft
- C. Tunnel
- D. Rotary hearth
Explanation
A walking-beam furnace advances stock by lifting and walking it forward, reducing contact losses and improving movement and fuel economy compared with a pusher furnace. Shaft, tunnel and rotary-hearth furnaces are not the standard improved pusher-furnace version intended here.
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