Railway Engineering Set 4 MCQs

Q1 | The standard length of rail for Broad Gauge and Meter Gauge are respectively

12 m and 12 m

12 m and 13 m

13 m and 12 m

13 m and 13 m

Q2 | Coning of wheels is provided

to check lateral movement of wheels

to avoid damage to inner faces of rails

to avoid discomfort to passengers

all the above

Q3 | On Indian Railways, angle of crossing between gauge faces of Vee, is generally calculated by

cole\s method

centre line method

isosceles triangle method

both (a) and (b)

Q4 | Ballast packed below and around the sleepers to transfer the load from sleepers to formation,generally consists of

broken stones

gravels

moorum

all the above

Q5 | On Indian Railways, the approximate weight of a rail section is determined from the formula

weight of the rail/axial load of locomotive = 1/10

weight of the rail/axial load of locomotive = 1/410

weight of the rail/axial load of locomotive = 1/510

weight of the rail/axial load of locomotive = 1/610

Q6 | The maximum degree of curvature for Meter Gauge is limited to

10°

16°

30°

40°

Q7 | The grade compensation on B.G. tracks on Indian Railways, is

0.02 %

0.03 %

0.04 %

0.05 %

Q8 | The factor for deciding the type of sleeper, is

easy fixing and removal of rails

provision of sufficient bearing area for rails

initial and maintenance costs

all the above

Q9 | Number of keys used in CST-9 sleeper is

2

3

4

none of the above

Q10 | Wheels of a rolling stock are provided flanges on

outer side

inner side

both sides

neither side

Q11 | For inspection and packing of ballast, each pot sleeper is provided with

one hole

two holes

three holes

four holes

Q12 | To design a cross-over between parallel tracks, the required components are:

two switch points, two acute angle crossings and two check rails

two switch points, two acute angle crossings and four check rails

two switch points, two acute angle crossings and six check rails

none of these

Q13 | The standard width of ballast for M.G. track in Indian Railways, is kept

3.35 m

3.53 m

2.30 m

2.50 m

Q14 | The correct relation between curve lead (CL), switch lead (SL) and lead of crossing (L) is given by

cl = l - sl

l =cl - sl

sl = l + cl

l = (cl + sl)/2

Q15 | Pot sleepers are in the form of

a number of bowls connected together with a tie bar

two bowls placed under each rail and connected together with a tie bar

two bowls placed under two rails and the one between the rails

none of these

Q16 | Bending of rail ends due to loose packing under a joint and loose fish Bolts, is known

buckling

hogging

creeping

none of these

Q17 | In a shunting signal if the red band is inclined at 45° it indicates

stop

proceed

proceed cautiously

none of the above

Q18 | Rail tops of a track are placed

horizontal

at an inward slope of 1 in 20

at an outward slope of 1 in 20

at an outward slope of 1 in 30

Q19 | A train is hauled by 2-8-2 locomotive with 22.5 tonnes and on each driving axle. Assuming thecoefficient of rail-wheel friction to be 0.25, what would be the hauling capacity of the locomotive?

15.0 tonnes

22.5 tonnes

45.0 tonnes

90.0 tonnes

Q20 | The type of switch generally used for B.G. and M.G. tracks, is

articulated

undercut

over riding

straight cut

Q21 | For an effective administration, Indian railway system has been divided into

four railway zones

six railway zones

seven railway zones

nine railway zones

Q22 | If 'A' is the angle formed by two gauge faces, the crossing number will be

tan a

cot a

sec a

a rad

Q23 | Heel divergency, the distance between the running faces of stock rail and gauge face of tonguerail, as recommended for Indian B.G. tracks, is

100 mm

119 mm

125 mm

135 mm

Q24 | Pick up the incorrect statement from the following:

ends of adjoining rails should be in true alignment

rail joints should be as strong as the rail section itself

rail joints should be elastic laterally as well as vertically

all the above

Q25 | Tensile strength of steel used in rails should not be less than

450 mpa

500 mpa

700 mpa

850 mpa