Question 1

Pick up the correct statement from the following:

Accepted Answer

A) Rails are directly laid over hard wooden sleepers and fixed with spikes 
B) Adzing is done on hard wooden sleepers 
C) Bearing plates are used on soft wooden sleepers 
D) All the above

Question 2

If G is gauge is metres, V is speed of trains in km/hour and R is radius of a curve in metres, the equilibrium super elevation is

Accepted Answer

A) GV²/R 
B) GV²/17R 
C) GV²/127R 
D) GV²/130R

Question 3

Minimum packing space provided between two sleepers, is between

Accepted Answer

A) 20 to 25 cm 
B) 25 to 30 cm 
C) 30 to 35 cm 
D) 35 to 40 cm

Question 4

A mono-block sleeper has

Accepted Answer

A) Square section 
B) Rectangular section 
C) Trapezoidal section 
D) Semi-circular section

Question 5

The reception signal is
(i. Outer signal
(ii. Home signal
(iii) Starter
(iv. Advanced starter
The correct answer is

Accepted Answer

A) (i) and (ii) 
B) (ii) and (iii) 
C) (iii) and (iv) 
D) (i) and (iv)

Question 6

The standard width of ballast for B.G. Track in Indian Railways, is kept

Accepted Answer

A) 3.35 m 
B) 3.53 m 
C) 2.35 m 
D) 2.53 m

Question 7

The quantity of stone ballast required per metre tangent length, is

Accepted Answer

A) 1.15 m3 
B) 1.14 m3 
C) 1.13 m3 
D) 1.11 m3

Question 8

Number of switches provided on a Gaunt-letted track is

Accepted Answer

A) 1 
B) 2 
C) 3 
D) None of the above

Question 9

Gauge of a permanent way, is

Accepted Answer

A) Minimum distance between running faces of rails 
B) Minimum distance between outer faces of rails 
C) Distance between centres of rails 
D) Width of formation

Question 10

The first Indian railway was laid in

Accepted Answer

A) 1775 
B) 1804 
C) 1825 
D) 1853

Question 11

Minimum composite sleeper index for wooden sleepers used over bridge girders, is

Accepted Answer

A) 1455 
B) 1355 
C) 1255 
D) 1155

Question 12

In India, metre gauge permanent way was adopted in

Accepted Answer

A) 1855 
B) 1860 
C) 1866 
D) 1871

Question 13

Maximum wheel base distance provided on Indian B.G. tracks, is

Accepted Answer

A) 4.096 m 
B) 5.096 m 
C) 6.096 m 
D) 7.096 m

Question 14

The nominal size of ballast used for points and crossings is

Accepted Answer

A) 25 mm 
B) 40 mm 
C) 50 mm 
D) 10 mm

Question 15

The effective bearing area of all types of sleepers, is

Accepted Answer

A) 0.40 m2 
B) 0.42 m2 
C) 0.44 m2 
D) 0.46 m2

Question 16

Switch angle depends on
(i. Heel divergence
(ii. Length of tongue rail
(iii) Flange-way clearance
(iv. Throw of switch
The correct answer is

Accepted Answer

A) (i) and (ii) 
B) (ii) and (iii) 
C) (iii) and (iv) 
D) (i) and (iv)

Question 17

A scissors cross over consists of one diamond and

Accepted Answer

A) one turn out 
B) Two turn outs 
C) Three turn outs 
D) Four turn outs

Question 18

The steepest gradient permissible on a 2.5° curve for Broad Gauge line having ruling gradient of 1 in 200 is

Accepted Answer

A) 1 in 250 
B) 1 in 222 
C) 1 in 235 
D) 1 in 275

Question 19

When the rail ends rest on a joint sleeper, the joint is termed as

Accepted Answer

A) Supported rail joint 
B) Suspended rail joint 
C) Bridge joint 
D) Base joint

Question 20

In a railway track, permissible gauge with tolerance under loaded condition, is

Accepted Answer

A) G + 0.1 mm 
B) G + 1.5 mm 
C) G - 1.0 mm 
D) G - 1.5 mm

Exam 5: Railway Track and Infrastructure Maintenance