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Resistance furnace is a furnace that uses fuel gases like propane, acetylene or natural gas.

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in Casting-Forming-Welding II by (119k points)
Resistance furnace is a furnace that uses fuel gases like propane, acetylene or natural gas.

(a) True

(b) False

The question was asked in examination.

The query is from Selection of Remelting Furnace topic in chapter Metal Furnace and Practice of Casting-Forming-Welding II

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The correct option is (b) False

Explanation: In resistance furnace, a current is passed through the charged material which results in high resistance that further causes heating of the charged material. The heating is mainly due to the radiation from the heating material. And fuel gases like propane, acetylene or natural gas are mainly used in oxy-fuel furnaces in which oxygen is combined with these gases to generate heat.

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