Multiple choice

The cause of formation of kinks in a rail is

  1. loose packing at joints

  2. defect in gauge and alignment

  3. defect in cross level joints

  4. any of the above

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Kinks in rails can form due to various defects: loose packing at joints allows movement, gauge/alignment defects cause stress concentrations, and cross-level issues at joints create irregularities. All three factors (options A, B, C) can contribute to kink formation, making option D the comprehensive correct answer.