Q. Which of the following welding process in which heat is produced for welding by a chemical reaction?

  • (A) resisting welding
  • (B) thermit welding
  • (C) forge welding
  • (D) gas welding
💬 Discuss
✅ Correct Answer: (B) thermit welding
Explanation: the thermite process is a chemical reaction in which a metal oxide (preferably molten) is displaced by another molten metal which is more reactive than the metal in the metal oxide, releasing a lot of heat. example:

Published by Mr. Dubey ⭐ 104.82K Points at 20-Sep-2023 12:46 pm in Manufacturing Technology

Explanation by: Mr. Dubey
the thermite process is a chemical reaction in which a metal oxide (preferably molten) is displaced by another molten metal which is more reactive than the metal in the metal oxide, releasing a lot of heat. example:

💬 Discussion

Related MCQs

Q. The deflection of a cantilever beam under load W is 8. If its width is halved, then the deflection under load W will be

Q. A solder consists of

Q. Which of the following is a turning pair?

Q. What additional surface preparation or cleaning must be performed on a machined or ground aluminium casting prior to penetrant testing?

Q. The efficiency of a percolating filter is given by

Q. Paper industry employs __________ driers.

Q. The number of segments in a tabulated surface is controlled by the

Q. The main advantage of ac transmission system over dc transmission system is

Q. Transverse fillet weld can be designed using the same equations as of parallel fillet weld.

Q. Normally the colour of exhaust from a diesel engine is

📊 Question Analytics

👁️
140
Total Visits
📽️
3 y ago
Published
🎖️
Mr. Dubey
Publisher
📈
92%
Success Rate