What is the function of the fusible plug installed in a furnace?

Question

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NA

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to detect excess current

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to detect excess heat

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to detect water level in the tube

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to detect water level in the shell

1.	What is the function of the fusible plug installed in a furnace?
A.	to detect excess current
B.	to detect excess heat
C.	to detect water level in the tube
D.	to detect water level in the shell
Answer» E.

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