In India, the permissible limit of rail wear is
(A) 2%
(B) 3%
(C) 5%
(D) 10%
Adv.
Narrow gauge is adopted where
(A) expected revenue earning is low
(B) acquisition of land is difficult
(C) terrain is hilly
(D) number of river crossings are more
In railways a triangle is mainly provided for
(A) changing direction of engines through 180°
(B) diverting trains from the main line to branch line
(C) shunting wagons in yards
(D) crossing over between parallel tracks
Ordinary rails are made of
(A) mild steel
(B) high carbon steel
(C) wrought iron
(D) cast iron
The normal size of ballast used for points and crossing is
(A) 10 mm
(B) 25 mm
(C) 40 mm
(D) 50 mm
Ends of steel sleepers are
(A) flat and rectangular
(B) convex shaped
(C) concave shaped
(D) bulb shaped
The signals in the form of circular discs with red bands on while background are
(A) warner signals
(B) shunting signals
(C) starter signals
(D) stop signals
30 m long rails are used in
(A) Russia
(B) U.K.
(C) India
(D) U.S.A
Wings rails are provided
(A) in crossing
(B) near stock rails
(C) near tongue rails
(D) near check rails
When the rail ends rest on a joint sleeper, the joint is termed as
(A) bridge joint
(B) base joint
(C) suspended rail joint
(D) supported rail joint
Loose jaws of steel sleepers are made of
(A) spring steel
(B) cast iron
(C) mild steel
(D) cast steel
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