5 Questions
What is the purpose of Post weld Air quenching treatment for Flash butt welding of 60 23 Kg Head hardened rails?
To increase the dimensional stability of the welded joints
What is the purpose of Ultrasonic testing of welded joints?
To detect any cracks or defects in the welded joints
Why is a Hardness test conducted on welded joints?
To evaluate the hardness and strength of the welded joints
What is the purpose of Macro examination of welded joints?
To detect any surface defects on the welded joints
Why are handling instructions provided for 90UTS and Head Hardened rails?
To ensure proper handling and prevent damage to the rails
Study Notes
Ministry of Railways: Manual for Flash Butt Welding of Rails
- The manual was revised in January 2012 by the Research, Design and Standards Organisation, Lucknow-11.
- The manual consists of 14 sections, covering topics such as scope, selection of rails, preparation, procedure, and testing of welds.
Contents of the Manual
- Section 1: Scope of the manual
- Section 2: Selection of rails to be welded
- Section 3: Suitability of rails for welding
- Section 4: Preparation of rails to be welded
- Section 5: Procedure of welding of rails
- Section 6: Record of welds
- Section 7: Post-weld straightening
- Section 8: Finishing
- Section 9: Marking of joints
- Section 10: Testing of welds
- Section 11: Handling of high-strength rails (90 UTS, HH, and 110UTS)
- Section 12: Check list for flash butt welding plants
- Section 13: Welding team for mobile flash butt welding plant
- Section 14: Upkeep and maintenance of mobile flash butt welding plants
Annexures
- Annexure I: Not specified
- Annexure II: Not specified
- Annexure III: Not specified
- Annexure IV: Not specified
- Annexure V: Not specified
- Annexure VI A: Not specified
- Annexure VI B: Not specified
- Annexure VI C: Not specified
- Annexure VI D: Not specified
- Annexure VI E: Not specified
- Annexure VII: Not specified
- Annexure VIII: Not specified
- Annexure IX: Not specified
Test your knowledge about flash butt welding of rails with this quiz based on the manual by the Ministry of Railways, Government of India. Explore topics such as rail selection, preparation, welding procedures, and record-keeping for welds.
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