This set of Railway Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Track Stresses – Tilting of Rails”.
1. Why are the rails Tilted?
a) To reduce wear and tear
b) For cost efficiency
c) For manufacturing ease
d) To keep them in position
View Answer
Explanation: Maximum load of the wheel acts near the inner edge of the rail. This causes wear and tear of rails. For the reduction of wear and tear the rails are tilted.
2. The rails are tilted at a slope which is twice the slope of the wheel cone.
a) True
b) False
View Answer
Explanation: The rails are tilted at a slope of 1 in 20 which is same as that of the wheel cone.
3. What is the reason for development of Lateral Bending stresses in the rail?
a) Tilting of rails
b) Coning of wheels
c) Centrifugal forces
d) Eccentric loading of rails
View Answer
Explanation: The load of the wheel acts at a distance from the axis of the wheel. This creates eccentric loading which causes development of Lateral Bending stresses in the rail.
4. Which method is used for the Tilting of rails?
a) Adzing the wooden sleepers
b) Providing canted bearing plates
c) Strain method
d) Adzing the wooden sleepers or by providing canted bearing plates
View Answer
Explanation: Tilting of rails is necessary for reducing wear and tear in addition to the lateral stresses. For this Adzing the wooden sleepers or canted bearing plates can be used.
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