The 'head of rail' on a railway track is designed to resist:
Choose the correct answer
Axial thermal stress only
Wheel contact, wear, abrasion, and impact from rolling stock
Wind forces on the track
Corrosion from rainwater
Correct Answer
B. Wheel contact, wear, abrasion, and impact from rolling stock
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Railway rail cross-section (T/I section): head (top) → direct contact with wheels, resists wear, abrasion, impact; web → resists bending and shear; foot (base) → sits on sleeper, distributes load. Rail weight in kg/m: 52 kg/m (BG main lines), 60 kg/m (heavy density). Higher traffic → heavier rails.
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