1. Mechanical Engineering
  2. Engineering Metallurgy
  3. in case of flame hardening the heat sour...
Q.

in case of flame hardening the heat source in the form of

A. lpg gas flame
B. furnace oil flame
C. oxy-acetelene flame
D. none of the above
Answer» C. oxy-acetelene flame
View all MCQs in:   Engineering Metallurgy

Discussion