Question- Railway Bridge

1➤ Weep holes are provided in

AbutmentsFoundationPiersTrestle piers

2➤ Pipe culvert is a/an

Major bridgeMinor bridgeUnimportant bridgeImportant bridge

3➤ IS code for Steel structure is

IS 800IS 236IS 456IS 226

4➤ The height gauge needs to be provided in

ROBRUBFOBFly Over

5➤ The minimum vertical clearance in RUB in urban areas where double decker buses p

5870 mm6525 mm5000 mm5500 mm

6➤ The minimum vertical clearance above R.L. to bottom of ROB near the yard shall b

6525 mm5870 mm2360 mm6250 mm

7➤ Steel channel sleepers are provided in bridges with superstructure of

PSC slabPSC girderSteel girderRCC Box

8➤ The guard rail is provided in bridges to

Prevent derailment in bridgesPrevent falling of vehicles during derailmentHave good ridingGuide the wheels

9➤ The level of guard rail in bridges shall not be lower than that of running rail

25 mm55 mm75 mm65 mm

10➤ The horizontal clearance between guard rail and running rail in BG track is

250 mm250 (+,-) 50 mm 350 mm200 (+,-) 50 mm

11➤ Minimum length of steel channel sleeper in BG

2500 mm2440 mm2400 mm2600 mm

12➤ Corrosion in Steel girder bridges may be prevented by

Protective coatings by paintingMetalizingMetalizingAll of the above

13➤ Rail joints should be avoided within .......... of a bridge abutment.

6 m3 m4 m10 m

14➤ Length of guard rails to be bent so as to be brought together at the middle of

3200 mm3655 mm4875 mmNone of the above

15➤ Rebuilding of Railway bridges can be done by providing

Temporary girderTemporary diversionAny of the aboveNone of the above

16➤ Foundation and substructure of the bridge should be inspected by SSE/P-way/work

Once a year any timeOnce a year before monsoonOnce a year after monsoonOnce in 3 months

17➤ ORN stands for in the Numerical Ration System is

Ordinary ranking numberOverall ranking numberOverall rating numberNone of the above

18➤ URN stands for in the Numerical Rating System is

Unique rating numberUniversal ranking numberUnique ranking numberAny of the above

19➤ For a major bridge, the URN would comprise of

Single DigitEight DigitSix DigitFour Digit

20➤ In case of LWR track, full ballast section as specified in LWR Manual should be

200 mm50 mm300 mm100 mm

21➤ For Box Culverts, Danger level is to be taken as

At the top of slab.One third height below bottom of slabAt the bottom of slabNone of the above

22➤ Periodicity of Underwater inspection for identified bridges

Once in a yearOnce in two yearsWhenever high flood occursAlong with detailed inspection of SSE/Br

23➤ Flood level gauge to be marked in

All important bridgesAll major bridgesAll minor & major bridgesAll bridges

24➤ Rail Cluster, as temporary arrangement is generally used up to a span of

18.3 m6.1 m3.66 m12.2 m

25➤ The minimum vertical clearance of foot over bridge gangway is

2100 mm3660 mm6525 mm2750 mm

Your score is