Question 10 of 30
Maximum temperature of the unexposed side of a B class division:
A
A) 300 degrees centigrade
B
B) 350 degrees centigrade
C
C) 400 degrees centigrade
D
D) 250 degrees centigrade
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Answer & Explanation
The correct answer is Option D: D) 250 degrees centigrade.
According to the FTP Code, the average temperature on the unexposed side of a B class division must not rise more than 225°C above initial, with a maximum of 250°C at any point.