Railway Bridge And Tunnel Engineering Set 10 MCQs

Q1 | 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

Q2 | In India, metre gauge permanent way was adopted in

1855

1860

1866

1871

Q3 | Which one of the following rail failures is caused by loose fish bolts at expansion joints?

Crushed head

Angular break

Split head

Transverse fissures

Q4 | Best wood for wooden sleepers is

Chir

Deodar

Sal

Teak

Q5 | Bull headed rails are generally provided on

Points and crossing

Straight tangents

Curved tracks

Metre gauge tracks

Q6 | The type of bearing plate used in all joints and on curves to give better bearing area tothe rails is

Flat mild steel bearing plate

Mild steel canted bearing plate

Cast iron anti-creep bearing plate

None of the above

Q7 | For holding a rail in position, no chairs are used for

Flat footed rails

Bull headed rails

Double headed rails

Both (a) and (b)

Q8 | Cast iron sleeper, is

Pot sleeper

Box sleeper

Duplex sleeper

All the above

Q9 | Gauge is the distance between

Center to center of rails

Running faces of rails

Outer faces of rails

None of the above

Q10 | 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

Q11 | Rail section is generally designated by its

Total weight

Total length

Weight per metre length

Area of its cross-section

Q12 | At points and crossings, the total number of sleepers for 1 in 12 turnouts in Broad Gauge is

51

62

70

78

Q13 | The quantity of stone ballast required per metre tangent length, is

1.15 m3

1.14 m3

1.13 m3

1.11 m3

Q14 | Weight and cross section of the rails are decided on

Gauge of tracks

Speed of trains

Spacing of sleepers

All the above

Q15 | Number of switches provided on a Gaunt-letted track is

1

2

3

None of the above

Q16 | If S is cant deficiency in centimetres and V is maximum permissible speed in kmph, the maximum length of transition curves, is

SV/13.6

SV/19.8

SV/127

SV/16.8

Q17 | A train is hauled by 4-8-2 locomotive. The number of driving wheels in this locomotive is

4

8

12

14

Q18 | Maximum cant deficiency prescribed on Indian Board Gauge Railways, is

40 mm

50 mm

75 mm

100 mm

Q19 | Vertical curves are provided where algebraic difference between grades is equal to or

Less than 2 mm/m

More than 2 mm/m

Less than 4 mm/m

More than 4mm/m

Q20 | A scissors cross over consists of one diamond and

one turn out

Two turn outs

Three turn outs

Four turn outs

Q21 | The slipping of driving wheels of locomotives on the rail surface causes

Wheel burns

Hogging of rails

Scabbing of rails

Corrugation of rails

Q22 | Wooden sleepers used on the girders of bridges, are generally made of

Sal

Chir

Teak

Deodar

Q23 | To ensure exact gauge, the gauge tie plates are provided at

Toe of the switch

Nose of crossing

Both (A) and (B)

None of the above

Q24 | 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

GV²/R

GV²/17R

GV²/127R

GV²/130R

Q25 | The height of the center of arm of a semaphore signal above the ground is

5.5 m

6.5 m

7.5 m

8.5 m