Civil Engineering :: Railways
-
If S is the switch angle and α is diamond angle, r is the radius of slip, the distance between middle point slip and the nose of obtuse crossing, is
-
Packing of ballast is done
-
If the standard length of a B.G. crossing is 597 cm, the number of crossing, is
-
Rails are fixed on steel sleepers
-
If a is average number of peaks more than 10 mm of uneveness per kilometre, b is average number peaks more than 6 mm for gauge variation per kilometre and c is average number of peaks more than 2 mm twist per metre, then composite current recording index (Ic), as recommended by Indian Northern Railways, is
-
Pick up the correct statement from the following:
-
The standard width of ballast for M.G. track in Indian Railways, is kept
-
To prevent creep in rails, the steel sleepers are fixed with rails by clips, bolts and
-
The standard dimensions of a wooden sleeper for a B.G. railway track are
Whatsapp
Facebook
|
A.
An extra width of 7.5 cm ballast isprovided on outside a curve if track is laid with short welded rails |
|
B.
An extra width of 7.5 cm ballast isprovided on outside a curve sharper than 3° on B.G. and M.G. tracks |
|
C.
An extra width of 15 cm ballast is provided on each shoulder if the track is laid with welded rails |
|
D.
All the above. |