Track renewal & renewal norms — questions with answers

Q1.Through Sleeper Renewal should be planned where, in continuous stretches, the sleepers qualifying for renewal are at least ______

1. 10%
2. 20%
3. 30%
4. 50%

Q2.Unserviceable material Class III - not fit for use– Ends to be painted with________ Paint

1. a daub of Red
2. a daub of white
3. a daub of yellow
4. No marks

Q3.Minimum sleeper density for CTR/TSR with new PSC sleepers for Sidings (permissible speed more than 50 kmph)

1. 1540
2. 1560
3. 1660
4. 1600

Q4.The limiting vertical wear (loss of head depth) for renewal of 60 kg rails is ______

1. 8 mm
2. 10 mm
3. 13 mm
4. 15 mm

Q5.On the basis of rail fractures/failures, rail renewal is justified when withdrawals in a year reach ______

1. 2 per 10 km
2. 10 per 10 km
3. 5 per km
4. 5 per 10 km

Q6.During mechanized laying of track by TLE Speed restriction to be relaxed to 75 KMPH on ___ day after 2nd tamping in smoothening mode without DTS and after survey of track for design mode, ballasting, picking up of slacks and stabilisation of track by passage of traffic is

1. 7th
2. 8th
3. 6th
4. 5th

Q7.Casual renewals are carried out as

1. Not a Part of normal maintenance operations
2. Cannot be covered under scattered renewals
3. Both
4. None of the above

Q8.Toe load testing of ERCs (outside corrosion-prone areas) is done after ______, whichever is earlier.

1. 2 years or 100 GMT
2. 8 years or 400 GMT
3. 5 years or 300 GMT
4. 4 years or 200 GMT

Q9.Limiting lateral wear for rail renewal in Group C & D routes straight track

1. 6mm
2. 8mm
3. 10mm
4. 12mm

Q10.Laying tolerance of alignment on 10mts chord in straight track during primary renewals is

1. ± 4 mm
2. ± 3 mm
3. ± 2mm
4. None of the above

Q11.Track renewal proposals are initiated by the ADEN and submitted to ______

1. the DEN
2. the SSE/P.Way (In-charge)
3. the Chief Track Engineer
4. the Railway Board

Q12.As per the revised track maintenance norms, all loop lines should be deep screened once in ______

1. 5 years
2. 10 years
3. 20 years
4. 15 years

Q13.Through Weld Renewal should be planned after the welds have carried what share of the stipulated GMT of the rails?

1. 25%
2. 75%
3. 50%
4. 100%

Q14.For rails on important bridges and tunnels, including 100 m approaches on either side, the GMT service life for TRR is taken as ______ of the normal value.

1. one-quarter
2. one-half
3. three-quarters
4. the same

Q15.A through fastening renewal proposal should be initiated if 20% or more of the ERC sample records a toe load below ______

1. 400 kg
2. 300 kg
3. 600 kg
4. 800 kg

Q16.Higher sleeper density during TSR/CTR, Doubling, gauge conversion, new line construction works on main lines may be provided with approval of

1. RB
2. PCE
3. CTE
4. CAOR

Q17.Scattered renewals are limited to not more than ______ in a gang beat in a year.

1. 5 rails and/or 100 sleepers
2. 10 rails and/or 250 sleepers
3. 20 rails and/or 500 sleepers
4. 25 rails and/or 1000 sleepers

Q18.As per the Railway Board's revised track maintenance norms of July 2021, deep screening of main-line plain track on sections with a sectional speed of 130 kmph and above is due when the clean ballast cushion is less than ______.

1. 200 mm
2. 150 mm
3. 250 mm
4. 300 mm

Q19.The revised service life of galvanised channel sleepers is ______, whichever is earlier, or on condition basis as decided by CTE.

1. 10 years / 400 GMT
2. 14 years / 400 GMT
3. 14 years / 800 GMT
4. 20 years / 800 GMT

Q20.What is the limiting percentage loss of section for renewal of 60 kg rails?

1. 5%
2. 7%
3. 6%
4. 8%

Q21.As per the 2021 revised norms, the service life of 60 kg switches is ______

1. 200 GMT or condition basis
2. 300 GMT or condition basis
3. 250 GMT or condition basis
4. 150 GMT or condition basis

Q22.In Through Fitting Renewal (TFR), which components are renewed?

1. ERCs only
2. ERCs, liners and GRSPs
3. Liners and GRSPs/CGRSPs only
4. Fish plates and bolts

Q23.Limiting loss of section due to wear on 52kg. Rail is ____%

1. 6
2. 7
3. 4
4. 5

Q24.As per the revised norms of 2021, plain main line track on a section with sectional speed of 130 kmph and above should be deep screened when the clean ballast cushion falls below ______

1. 100 mm
2. 150 mm
3. 200 mm
4. 250 mm

Q25.Before renewing switches, they may be reconditioned by approved means at most how many times?

1. Once
2. Three times
3. Twice
4. Five times

Q26.While placing FM between two berthing lines (main and loops line or between two loop line) where points are involved, it must be ensured that glued joint is placed _______ mts inside FM for ensuring safety.

1. 3.50
2. 3.35
3. 3.00
4. 3.25

Q27.Service Life of GRSP in curve sharper than 5°

1. 200 GMT or 4 years whichever is earlier or on condition basis
2. 100 GMT or 2 years whichever is earlier or on condition basis
3. 100 GMT or 4 years whichever is earlier or on condition basis
4. 200 GMT or 2 years whichever is earlier or on condition basis

Q28.In track renewal terminology, a 'secondary' renewal is one in which ______

1. released serviceable materials are used
2. only new materials are used
3. only rails are renewed
4. work is done by contractor

Q29.Lateral wear of rails is measured at what depth below the rail top table?

1. 5 to 8 mm
2. 10 to 12 mm
3. 18 to 20 mm
4. 13 to 15 mm

Q30.During manual laying of sleepers Speed restriction to be relaxed to ______ on 3 rd day during opening, relaying and laying of sleepers manually and 1st round of machine packing followed by using DTS is

1. 30 KMPH
2. 40 KMPH
3. 45 KMPH
4. 50 KMPH

Q31.As per IRPWM 2020 (and, under the 2021 revised norms, on routes not covered by rail grinding), the service life of 60 kg 90 UTS rails for considering through rail renewal, in terms of total GMT carried, is ______

1. 550 GMT
2. 525 GMT
3. 350 GMT
4. 800 GMT

Q32.As per the 2021 revised criteria, PSC sleepers are to be renewed ______

1. after 2000 GMT or 35 years, whichever is earlier
2. after 1000 GMT or 20 years, whichever is earlier
3. together with every through rail renewal
4. on condition basis (rail seat grooving, insert corrosion, cracking in continuous stretches, etc.) as decided by CTE

Q33.On routes covered by rail grinding, the revised service life of 60 kg 90 UTS rails is ______

1. 1000 GMT
2. 800 GMT
3. 525 GMT
4. 1200 GMT

Q34.Through Rail Renewal is also permitted where defective welds per track km exceed ______

1. 30
2. 20
3. 10
4. 50