Q. In railways terminology, what do obligatory points mean?

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Q. Obligatory points are also known as ________

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Q. If the gradient exceeds the ruling gradient, which technique much be adopted?

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Q. Which of the following method of rail alignment is preferred in case of steep side slopes?

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Q. The spiral method, also known as ________ method is used in _______

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Q. The alignment of a rail line should pass through a place that faces ______ the direction of wind.

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Q. At what angle should a railway line cross a road?

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Q. What formula can be used to calculate the “Maximum Annual Return” of a rail alignment? (Given: R = Gross revenue earned by railway line; E = Annual running expenses).

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Q. The alignment of railway line should be such that it attracts minimum traffic.

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Q. A railway line passes through a terrain which crosses watershed areas of two or more streams. Which type of alignment can be preferred?

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Q. What type of gauges are generally used for mountain railways?

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Q. Which of the following alignments is least preferred in case of mountain railways?

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Q. The cost of construction of mountain railways can be reduced by adopting narrow gauges instead of wider gauges.

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Q. The tracks which have gradient greater than or equal to 3% are considered as _____

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Q. Up to what value the curvatures are generally adopted in mountain railway?

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Q. Because of a very steep gradient train can slide down the track.

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Q. How is Rack railway system different from normal railway system?

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Q. What is the position of the toothed rail in Rack rail system?

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Q. What type of additional wheels are used for locomotives in Rack railway system?

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Q. In rack pinion railway system the movement of train can be possible on very steep gradients like 1 in 5.

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