Railway Engineering
In a scissors cross-over, the crossings provided are
i) 2 obtuse angle crossings
ii) 4 obtuse angle crossings
iii) 4 acute angle crossings
iv) 6 acute angle crossings
The correct answer is

(i)and(iv)
(i) and (iii)
(ii) and (iv)
(ii) and (iii)

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Railway Engineering
Switch angle is the angle between

the outer face of the stock rail and the gauge face of the tongue rail
the outer face of the stock rail and tongue rail
the gauge face of the stock rail and outer face of the tongue rail
the gauge face of the stock rail and tongue rail

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