Railway Engineering Set 9 MCQs

Q1 | Steel sleepers are

rectangular is cross section throughout

hollow circular pipes

6 mm thick steel sheets with ends bent down

6 mm thick steel sheets with ends bent up

Q2 | Number of dog spikes normally used per rail seat on curved track is

one on either side

two outside and one inside

one outside and two inside

two outside and two inside

Q3 | If sleeper density is M + 7 for 13 m rails, the minimum depth of ballast under wooden sleepers (25cm × 13 cm), is

15 cm

20 cm

25 cm

30 cm

Q4 | Minimum composite sleeper index for wooden sleepers used over bridge girders, is

1455

1355

1255

1155

Q5 | The shape of transition curve used by Indian Railways is

cubic parabola

spiral

sine curve

lemniscates of bernoulli

Q6 | Gauge of a permanent way, is

minimum distance between running faces of rails

minimum distance between outer faces of rails

distance between centres of rails

width of formation

Q7 | If w is width of sleepers, s is sleeper spacing and d is depth of ballast then

d = (s - w)/2

d = (s - w)/3

d = (s - w)/4

d = (s - w)/5

Q8 | The standard width of ballast for B.G. Track in Indian Railways, is kept

3.35 m

3.53 m

2.35 m

2.53 m

Q9 | In India, metre gauge permanent way was adopted in

1855

1860

1866

1871

Q10 | Which one of the following rail failures is caused by loose fish bolts at expansion joints?

crushed head

angular break

split head

transverse fissures

Q11 | Best wood for wooden sleepers is

chir

deodar

sal

teak

Q12 | Bull headed rails are generally provided on

points and crossing

straight tangents

curved tracks

metre gauge tracks

Q13 | The type of bearing plate used in all joints and on curves to give better bearing area to the rails is

flat mild steel bearing plate

mild steel canted bearing plate

cast iron anti-creep bearing plate

none of the above

Q14 | For holding a rail in position, no chairs are used for

flat footed rails

bull headed rails

double headed rails

both (a) and (b)

Q15 | Cast iron sleeper, is

pot sleeper

box sleeper

duplex sleeper

all the above

Q16 | Gauge is the distance between

center to center of rails

running faces of rails

outer faces of rails

none of the above

Q17 | Pick up the correct statement from the following:

rails are directly laid over hard wooden sleepers and fixed with spikes

adzing is done on hard wooden sleepers

bearing plates are used on soft wooden sleepers

all the above

Q18 | Rail section is generally designated by its

total weight

total length

weight per metre length

area of its cross-section

Q19 | At points and crossings, the total number of sleepers for 1 in 12 turnouts in Broad Gauge is

51

62

70

78

Q20 | The quantity of stone ballast required per metre tangent length, is

1.15 m3

1.14 m3

1.13 m3

1.11 m3

Q21 | Weight and cross section of the rails are decided on

gauge of tracks

speed of trains

spacing of sleepers

all the above

Q22 | Number of switches provided on a Gaunt-letted track is

1

2

3

none of the above

Q23 | If S is cant deficiency in centimetres and V is maximum permissible speed in kmph, the maximumlength of transition curves, is

sv/13.6

sv/19.8

sv/127

sv/16.8

Q24 | A train is hauled by 4-8-2 locomotive. The number of driving wheels in this locomotive is

4

8

12

14