Q. Stud switches are of 2 types – loose heel and fixed heel type.

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Q. In which type of switches the tongue rail does not end at the heel of the switch?

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Q. Why are loose heel type switches not preferred?

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Q. In which toe of switches the switch rail kept 6mm higher than stock rail?

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Q. Which of the following correctly defines the switch angle?

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Q. What is the distance between the gauge faces of tongue rail and stock rail called?

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Q. What is the major advantage of straight tongue rails?

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Q. Which of the following is not true about length of tongue rails?

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Q. Curved tongue rails can only be used on specific curvature for which they are designed.

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Q. What is done to ensure that at the wheel negotiates the gap of crossing properly?

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Q. Which two rails are machined to form a nose?

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Q. What is the thickness of fine end of Point rail?

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Q. Which type of crossing is formed when a right or left rail crosses a similar rail?

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Q. Which of the following is not true about Built up crossing?

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Q. There are no bolts in cast steel crossing.

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Q. Which of the following is not an advantage of CMS crossing?

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Q. What type of crossing can be used when there is high speed traffic on main track and low speed on turnout track?

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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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