Q. Why is the value of dynamic load much more than that of static load?

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Q. What is the German formula for the speed factor of the train?

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Q. Which is the major force developed due to revolving masses like pins and coupling rods in the wheel?

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Q. How is the lateral displacement of rail balanced?

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Q. Hammer blow effect is because of the _____

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Q. In the Hammer blow effect formula H = Mr(2πn)² sinω/g, what does n stand for?

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Q. The maximum combined force of the Hammer blow, inertia of driving wheel, steam effect do not act simultaneously due to phase difference in position of counterweights.

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Q. As per the theory of Hertz the rail and wheel contact is similar to the contact between _____

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Q. The pattern of distribution of load under the sleepers does not depend on which of the following factors?

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Q. What is Photo-elastic method used for?

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Q. What is the objective of coning of wheels?

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Q. What is the value of Slope provided to the wheels?

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Q. What would be the result without coning of wheels?

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Q. What is the reason that disables the leading axle to take full advantage of the coning of wheels?

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Q. Coning of wheels helps the outer wheel to travel a longer distance than inner wheel.

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Q. Which among the following is the correct formula for calculating the slip?

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Q. Why are the rails Tilted?

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Q. The rails are tilted at a slope which is twice the slope of the wheel cone.

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Q. What is the reason for development of Lateral Bending stresses in the rail?

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Q. Which method is used for the Tilting of rails?

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