Q. If α is switch angle and R is radius of the turnout, the length of the tongue rail, is

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Q. The quantity of stone ballast required per metre tangent length, is

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Q. The type of switch generally used for B.G. and M.G. tracks, is

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Q. In India the rails are manufactured by

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Q. Rail section first designed on Indian railways, was

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Q. A scissors cross-over consists of

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Q. To prevent percolation of water into formation, moorum is used as a blanket for

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Q. Distance between inner faces of the flanges, is kept

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Q. Boxing of ballast is done

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Q. Best ballast contains stones varying in size from

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Q. For holding a rail in position, no chairs are used for

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Q. Distance between the inner rail and check rail provided on sharp curve, is

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Q. Coal ash (or cinder) is used in initial stages of a new construction of railway for

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Q. The tread of wheels is provided an outward slope of

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Q. On a straight railway track, absolute levels at point A on two rails are 100.550 m and 100.530 m and the absolute levels at point B 100 m apart are 100.585 m and 100.515 m respectively, the value of twist of rails per metre run, is

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Q. Bearing plates are used to fix

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Q. A welded rail joint is generally

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Q. Safe speed (V) on a curve of radius 970 metres provided with two transition curves on Board Gauge track, is

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Q. Mr. W. Simms, the consulting Engineer to the Government of India recommended the gauge for Indian railways

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Q. If absolute levels of rails at the consecutive axles A, B, and C separated by 1.8 metres are 100.505 m, 100.530 m, and 100.525 m respectively, the unevenness of rails, is

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