127. On Indian Railways, angle of crossing between gauge faces of Vee, is generally calculated by
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128. For calculating the length of curve lead (C.L.), the correct formula is
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129. To design a cross-over between parallel tracks, the required components are :
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130. A scissors cross-over consists of
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131. In railways a triangle is mainly provided for
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132. If D is distance between centres of two parallel track of gauge G, then, total length of cross-over (from the point of commencement to the point of termination) with an inter-mediate straight portion and N crossing, is given by
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133. If D is distance between centres of two parallel tracks of gauge G with entire curved leads and equal angles of crossing, total length of crossover, is
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