If an excessive amount of preheat flame is used, ____.
A) the cutting stream may gouge the side of the cut
B) the top edge may be melted or rounded off
C) the cut may be incomplete
D) the sides of the kerf may be dished

Question

Quizplus · Accepted Answer

Using an excessive amount of preheat flame can cause the top edge of the material being cut to melt or become rounded off, as the excessive heat affects the material's surface before the actual cutting action takes place.

If an Excessive Amount of Preheat Flame Is Used, ____