The spread between the point and splice rails at a distance of 4.25 rn is 50 cm. The size of the crossing is
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1 in
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A welded rail joint is generally
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Suspended
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The sleepers which satisfy the requirements of an ideal sleeper, are
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Wooden sleepers.
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The tread of wheels is provided an outward slope of
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1 in 20
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Coal ash (or cinder) is used in initial stages of a new construction of railway for
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Wooden sleepers
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For providing the required tilt of rails, adazing of wooden sleepers, is done for
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Flat footed rails
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To design a cross-over between parallel tracks, the required components are:
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Two switch points, two acute angle crossings and four check rails
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Rails are bent to correct curvature if the degree of curve, is more than
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4°
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Pick the incorrect statement from the following:
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Sleepers transfer load of moving trains to ballast
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Overall depth of a dog spike, is
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120.6 mm
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Width of the top portion of a flat footed, rail, is
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66.77 mm
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If α is switch angle and R is radius of the turnout, the length of the tongue rail, is
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R tan α/2
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Pick up the incorrect statement from the following:
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Fish plates fit the web of the rail section
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Bearing plates are used to fix
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Flat footed rails to the wooden sleepers
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Coning of wheels
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All these
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The life of a wooden sleeper depends upon
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All these
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The weight of the rails depends upon
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All these
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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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0.5 mm
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A scissors cross-over consists of
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Four pairs of points, six acute angle crossings and two obtuse angle crossings
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The quantity of stone ballast required per metre tangent length, is
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1.11 m3
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