Q. At a crossing the right hand and left hand wing rail converge to form a throat and then merge into a single rail.

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Q. Which formula is used for the calculation of number of crossing based on Centre line method?

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Q. What is another name of Coles method?

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Q. All the methods used for determining the number of crossing give the same value.

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Q. What is the limiting wear for a crossing?

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Q. What is done for reconditioning of crossings at site?

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Q. Which of the following is used for gas welding of crossings?

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Q. What is the distance from the tangent point to the heel of switch is called?

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Q. Which of the following is correct about heel divergence?

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Q. Which is the correct formula for calculation of Radius of Turnout?

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Q. Which type of chairs are used to provide a ramp to tongue rails?

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Q. What is used to prevent vertical movement between rail wing and nose of crossing?

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Q. In Coles method from where does the curvature begin on the straight track?

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Q. Which of the following formula is used for the calculation of curve lead in Coles method?

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Q. Which of the following represent the correct number and names of location of kinks in Coles method?

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Q. No kink is present in layout of IRS method.

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Q. What can be done to improve the speed of trains over turnouts?

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Q. Which of the following is not a feature of turnouts of European countries?

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Q. Indian Railways has finalised a design of 1 in 12 turnout for passenger yard at max permissible speed of 100 kmph.

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Q. What should be used for cleansing of slide chairs?

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