M

Mr. Dubey • 52.30K Points
Coach 

Q. The inner cone of the flame in welding has the following nature?

(A) highest temperature
(B) coldest temperature
(C) moderate temperature
(D) uncertain
Correct : Option (A)

Explanation: 
 the inner cone of the flame has the highest temperature (3500°c). the outer flame has the lowest temperature.

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