+1 vote
in Foundry and Forging by (110k points)
________ is used to fuel gas furnace.

(a) Marsh gas

(b) Carbon-dioxide

(c) Ammonia gas

(d) Natural gas

I have been asked this question in an international level competition.

Enquiry is from Gas Fired Pit Furnace in section Melting Furnaces of Foundry and Forging

1 Answer

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by (736k points)
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Best answer
Correct option is (d) Natural gas

Easy explanation: The natural gas is widely available and can be used for the gas furnace due to its easy combustion method. As a gas furnace have a burner in the furnace it is fuelled by natural gas.

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