How much rail ends are cleaned with Kerosene Oil and steel wire brush? (i) Minimum 100 mm both side (ii) Minimum 50 mm both side.* (iii) No need (iv) As decided by site supervisor

How much rail ends are cleaned with Kerosene Oil and steel wire brush?  (i) Minimum 100 mm both side
 (ii) Minimum 50 mm both side.*
 (iii) No need
 (iv) As decided by site supervisor
by

1 Answer

Answer :

(ii) Minimum 50 mm both side.*
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Related questions

Which gauge is used to measure the height of rail at the time of aligning of rails for AT welding? (i) Height gauge.* (ii) Vertical gauge (iii) Horizontal gauge (iv) As decided by site supervisor

Description : Which gauge is used to measure the height of rail at the time of aligning of rails for AT welding? (i) Height gauge.* (ii) Vertical gauge (iii) Horizontal gauge (iv) As decided by site supervisor

Last Answer : (iv) As decided by site supervisor

Thickness of Lining/Charge is kept? (i) 20 mm. (ii) 25 mm* (iii) 30 mm (iv) As decided by the site supervisor

Description : Thickness of Lining/Charge is kept? (i) 20 mm. (ii) 25 mm* (iii) 30 mm (iv) As decided by the site supervisor

Last Answer : (ii) 25 mm*

Weather date of welding is marked on weld? (i) Yes (ii) As decided by the site supervisor (iii) No* (iv) None of the above

Description : Weather date of welding is marked on weld? (i) Yes (ii) As decided by the site supervisor (iii) No* (iv) None of the above

Last Answer : (iii) No*

Weather traffic block is required for execution of AT Welding? (i) Yes.* (ii) No (iii) As decided by site supervisor (iv) As per site condition

Description : Weather traffic block is required for execution of AT Welding? (i) Yes.* (ii) No (iii) As decided by site supervisor (iv) As per site condition

Last Answer : (i) Yes.

Weather protection of track is required during block for execution of AT Welding? (i) Yes.* (ii) No (iii) As decided by site supervisor (iv) As per site condition

Description : Weather protection of track is required during block for execution of AT Welding? (i) Yes.* (ii) No (iii) As decided by site supervisor (iv) As per site condition

Last Answer : (i) Yes.*

To take care of differential cooling rail ends of 72 UTS rails are lifted by? (i) 1 to 1.5 mm (ii) 1 to 2 mm (iii) 2 to 2.5 mm (iv) 3 to 4 mm *

Description : To take care of differential cooling rail ends of 72 UTS rails are lifted by? (i) 1 to 1.5 mm (ii) 1 to 2 mm (iii) 2 to 2.5 mm (iv) 3 to 4 mm *

Last Answer : iv) 3 to 4 mm *

To take care of differential cooling rail ends of 90 UTS rails are lifted by? (i) 1 mm (ii) 2 mm (iii) 2 to 2.2 mm.* (iv) 1 to 2 mm

Description : To take care of differential cooling rail ends of 90 UTS rails are lifted by? (i) 1 mm (ii) 2 mm (iii) 2 to 2.2 mm.* (iv) 1 to 2 mm

Last Answer : (iii) 2 to 2.2 mm.*

Colour of rail ends becomes after preheating ? (i) Golden * (ii) Pink Red (iii) Red (iv) Yellow

Description : Colour of rail ends becomes after preheating ? (i) Golden * (ii) Pink Red (iii) Red (iv) Yellow

Last Answer : (i) Golden

What is Pre Heating Temperature of rail ends in AT Welding? (i) 300 ± 20oC (ii) 400 ± 20oC (iii) 500 ± 20oC (iv) 600 ± 20oC *

Description : What is Pre Heating Temperature of rail ends in AT Welding? (i) 300 ± 20oC (ii) 400 ± 20oC (iii) 500 ± 20oC (iv) 600 ± 20oC *

Last Answer : (iv) 600 ± 20oC *

In new Rail as well as second hand rails how much end bends of the rails in vertical are permitted when checked with one meter straight edge before welding? (i) +0.5mm, -0 mm in vertical * (ii) +0.2mm, -.3 mm in vertical (iii) +0.3mm, -2 mm in vertical (iv) 0 mm, +.5 mm in vertical

Description : In new Rail as well as second hand rails how much end bends of the rails in vertical are permitted when checked with one meter straight edge before welding? (i) +0.5mm, -0 mm in vertical * (ii) +0.2mm, -.3 mm in vertical (iii) +0.3mm, -2 mm in vertical (iv) 0 mm, +.5 mm in vertical

Last Answer : (i) +0.5mm, -0 mm in vertical *

If digital DRT is calibrated for 300 mm longitudinal wave using 00 double crystal probe then 60kg rail ---------peak will appear at (i) 5.2 (ii) 5.7* (iii) 7.8 (iv) 8.6

Description : If digital DRT is calibrated for 300 mm longitudinal wave using 00 double crystal probe then 60kg rail ---------peak will appear at (i) 5.2 (ii) 5.7* (iii) 7.8 (iv) 8.6

Last Answer : ii) 5.7*

Marking on weld should be done (i) On centre of the rail head (ii) 10 mm below the top surface of rail head.* (iii) 10 mm above the bottom surface of rail head. (iv) None of the above

Description : Marking on weld should be done (i) On centre of the rail head (ii) 10 mm below the top surface of rail head.* (iii) 10 mm above the bottom surface of rail head. (iv) None of the above

Last Answer : ii) 10 mm below the top surface of rail head.*

.Minimum check rail clearance at Level crossing a. 45 mm b. 51 mm* c. 50 mm d. 57 mm

Description : .Minimum check rail clearance at Level crossing a. 45 mm b. 51 mm* c. 50 mm d. 57 mm

Last Answer : b. 51 mm*

Minimum permissible vertical wear on nose of a 52 kg CMS crossing on Rajdhani route is i) 6mm ii) 8mm* iii) 10mm iv) 12 mm

Description : Minimum permissible vertical wear on nose of a 52 kg CMS crossing on Rajdhani route is i) 6mm ii) 8mm* iii) 10mm iv) 12 mm

Last Answer : ii) 8mm*

In new Rail as well as second hand rails how much end bends of the rails in lateral direction are permitted when checked with one metre straight edge before welding? (i) ± 0.2 mm in lateral direction (ii) ± 0.3 mm in lateral direction (iii) ± 0.5 mm in latera

Description : In new Rail as well as second hand rails how much end bends of the rails in lateral direction are permitted when checked with one metre straight edge before welding? (i) ± 0.2 mm in lateral direction (ii) ± 0.3 mm in lateral direction (iii) ± 0.5 mm in latera

Last Answer : (iii) ± 0.5 mm in latera

The increased gain of 10 dbs for single line & ‘D’ marks rails on double/multiple lines shall be employed for classification of defects. (i) defect in weld (ii) defects in rail. * (iii) for both defects on weld & rail. (iv) None of above.

Description : The increased gain of 10 dbs for single line & ‘D’ marks rails on double/multiple lines shall be employed for classification of defects. (i) defect in weld (ii) defects in rail. * (iii) for both defects on weld & rail. (iv) None of above.

Last Answer : ii) defects in rail. *

Total no. of probes fitted on digital double rail tester for rail testing are (i) 12 (ii) 8 (iii) 14* (iv) 16.

Description : Total no. of probes fitted on digital double rail tester for rail testing are (i) 12 (ii) 8 (iii) 14* (iv) 16.

Last Answer : (iii) 14*

Torch is kept at height from top surface of rail head? (i) 30 to 55 mm (ii) 35 to 40 mm (iii) 40 to 45 mm

Description : Torch is kept at height from top surface of rail head? (i) 30 to 55 mm (ii) 35 to 40 mm (iii) 40 to 45 mm

Last Answer : (iii) 40 to 45 mm

Finished tolerance on 10 cm long st. edge at the centre on gauge side shall be? (i) ± 0.4 mm (ii) ± 0.1 mm (iii) ± 0.2 mm (iv) ± 0.3 mm*

Description : Finished tolerance on 10 cm long st. edge at the centre on gauge side shall be? (i) ± 0.4 mm (ii) ± 0.1 mm (iii) ± 0.2 mm (iv) ± 0.3 mm*

Last Answer : iv) ± 0.3 mm*

Finished tolerance on 1 Mt. st. edge at the centre on gauge side shall be? (i) ± 0.2 mm (ii) ± 0.3 mm (iii) ± 0.5 mm* (iv) ± 1.0 mm

Description : Finished tolerance on 1 Mt. st. edge at the centre on gauge side shall be? (i) ± 0.2 mm (ii) ± 0.3 mm (iii) ± 0.5 mm* (iv) ± 1.0 mm

Last Answer : (iii) ± 0.5 mm*

Height of crucible is kept from top surface of mould? (i) 30 mm (ii) 40 mm (iii) 50 mm* (iv) 60 mm

Description : Height of crucible is kept from top surface of mould? (i) 30 mm (ii) 40 mm (iii) 50 mm* (iv) 60 mm

Last Answer : (iii) 50 mm*

Painting of weld is done up to (i) 10 CM minimum both side of weld & on welded surface .* (ii) 15 CM minimum both side of weld & on welded surface (iii) 20 CM minimum both side of weld & on welded surface (iv) None of the above

Description : Painting of weld is done up to (i) 10 CM minimum both side of weld & on welded surface .* (ii) 15 CM minimum both side of weld & on welded surface (iii) 20 CM minimum both side of weld & on welded surface (iv) None of the above

Last Answer : (i) 10 CM minimum both side of weld & on welded surface .*

For rolling mark 60 kg/Sail/X/2010 the first testing in the field after initial testing of rails in rail manufacturing plant, will be done. (i) After test free period of 25%. (ii) After passage of every 40 GMT traffic during test free period.* (iii) After passage of 200 GMT. (iv) On the basis of annual GMT of the section.

Description : For rolling mark 60 kg/Sail/X/2010 the first testing in the field after initial testing of rails in rail manufacturing plant, will be done. (i) After test free period of 25%. (ii) After passage of every 40 ... period.* (iii) After passage of 200 GMT. (iv) On the basis of annual GMT of the section.

Last Answer : (ii) After passage of every 40 GMT traffic during test free period.*

On Rajdhani routes testing frequency of rail testing for rail section of 60kg with annual GMT 80, will be. (i) 4 months (ii) 1 1⁄2 months (iii) 1 months* (iv) None of above.

Description : On Rajdhani routes testing frequency of rail testing for rail section of 60kg with annual GMT 80, will be. (i) 4 months (ii) 1 1⁄2 months (iii) 1 months* (iv) None of above.

Last Answer : (iii) 1 months*

65- Grade of 72 UTS rail is? (i) 880 (ii) 1080 (iii) 710* (iv) None of above

Description : 65- Grade of 72 UTS rail is? (i) 880 (ii) 1080 (iii) 710* (iv) None of above

Last Answer : (iii) 710*

Grade of 110 UTS rail is? (i) 880 (ii) 1080* (iii) 710 (iv) None of above

Description : Grade of 110 UTS rail is? (i) 880 (ii) 1080* (iii) 710 (iv) None of above

Last Answer : (ii) 1080*

Grade of 90 UTS rail is? (i) 880* (ii) 1080 (iii) 710 (iv) None of above

Description : Grade of 90 UTS rail is? (i) 880* (ii) 1080 (iii) 710 (iv) None of above

Last Answer : i) 880*

What are the recognized systems for pre heating of rails ends for AT Welding? (i) Oxygen –LPG & Compressed air petrol both* (ii) Only Oxygen –LPG (iii) Only Compressed air petrol both (iv) both are correct

Description : What are the recognized systems for pre heating of rails ends for AT Welding? (i) Oxygen –LPG & Compressed air petrol both* (ii) Only Oxygen –LPG (iii) Only Compressed air petrol both (iv) both are correct

Last Answer : ) Oxygen –LPG & Compressed air petrol both*

What is the duration for supervisors course (TW-3)? (i) One week * (ii) Two weeks (iii) As decided by TPP/LKO (iv) 3 working days

Description : What is the duration for supervisors course (TW-3)? (i) One week * (ii) Two weeks (iii) As decided by TPP/LKO (iv) 3 working days

Last Answer : (i) One week

What is the duration for Refresher course for welders (TW-2)? (i) One week* (ii) Two weeks (iii) As decided by TPP/LKO (iv) 3 working days

Description : What is the duration for Refresher course for welders (TW-2)? (i) One week* (ii) Two weeks (iii) As decided by TPP/LKO (iv) 3 working days

Last Answer : (i) One week*

What is the duration for Initial course for welders (TW-1)? (i) Two weeks* (ii) One week (iii) As decided by TPP/LKO (iv) 3 working days

Description : What is the duration for Initial course for welders (TW-1)? (i) Two weeks* (ii) One week (iii) As decided by TPP/LKO (iv) 3 working days

Last Answer : (i) Two weeks*

Where Portion sample tests(test piece) should be conducted? (i) At desire by RDSO (ii) At Zonal CMT’s organisation or the Flash Butt Welding plant. * (iii) In RDSO campus (iv) As decided by in charge of the plant

Description : Where Portion sample tests(test piece) should be conducted? (i) At desire by RDSO (ii) At Zonal CMT’s organisation or the Flash Butt Welding plant. * (iii) In RDSO campus (iv) As decided by in charge of the plant

Last Answer : At Zonal CMT’s organisation or the Flash Butt Welding plant.

Last flag man is deputed at which distance from last detonator during protection of welding site . (i) 30 mts (ii) 50 mts (iii) 45 (iv) 60 mts

Description : Last flag man is deputed at which distance from last detonator during protection of welding site . (i) 30 mts (ii) 50 mts (iii) 45 (iv) 60 mts

Last Answer : (iv) 60 mts

What is the validity of Provisional competency certificate? (i) Valid for executing 50 joints or six months whichever is earlier. (ii) Valid for executing 100 joints or six months whichever is earlier.* (iii) Valid for executing 50 joints. (iv) Valid for six months

Description : What is the validity of Provisional competency certificate? (i) Valid for executing 50 joints or six months whichever is earlier. (ii) Valid for executing 100 joints or six months whichever is earlier.* (iii) Valid for executing 50 joints. (iv) Valid for six months

Last Answer : (ii) Valid for executing 100 joints or six months whichever is earlier.*

Minimum depth of space for wheel flange form rail level in B.G. is …… mm (A) 35 (B) 38* (C) 42 (D) 45

Description : Minimum depth of space for wheel flange form rail level in B.G. is …… mm (A) 35 (B) 38* (C) 42 (D) 45

Last Answer : (B) 38*

Minimum depth of ballast cushion below the bottom of sleeper at the rail seat on BG group A route should be :- (a) 350 mm. (b) 250 mm. (c) 300 mm.* (d) 325 mm.

Description : Minimum depth of ballast cushion below the bottom of sleeper at the rail seat on BG group A route should be :- (a) 350 mm. (b) 250 mm. (c) 300 mm.* (d) 325 mm.

Last Answer : (c) 300 mm.*

.Minimum wing rail clearance opposing nose of crossing on Fan shaped turnout a. 45 mm b. 40 mm c. 41 mm* d. 44 mm

Description : .Minimum wing rail clearance opposing nose of crossing on Fan shaped turnout a. 45 mm b. 40 mm c. 41 mm* d. 44 mm

Last Answer : c. 41 mm*

Minimum clearance between toe of Open switch and stock rail for new works a. 115 mm* b. 120 mm c. 95 mm d. 110 mm

Description : Minimum clearance between toe of Open switch and stock rail for new works a. 115 mm* b. 120 mm c. 95 mm d. 110 mm

Last Answer : a. 115 mm*

The horizontal clearance between guard rail and running rail in BG track is a) 25 mm b) 250 ± 50 mm* c) 75 mm d) 200 ± 50 mm

Description : The horizontal clearance between guard rail and running rail in BG track is a) 25 mm b) 250 ± 50 mm* c) 75 mm d) 200 ± 50 mm

Last Answer : b) 250 ± 50 mm*

The gap between probing face and probing shoe should be. (i) 0.4 mm (ii) 0.2mm * (iii) 3mm (iv) 1mm.

Description : The gap between probing face and probing shoe should be. (i) 0.4 mm (ii) 0.2mm * (iii) 3mm (iv) 1mm.

Last Answer : (ii) 0.2mm *

What is the dia of thimble ? (i) 14-16 mm (ii) 16-18 mm* (iii) 18-20 mm (iv) None of the above

Description : What is the dia of thimble ? (i) 14-16 mm (ii) 16-18 mm* (iii) 18-20 mm (iv) None of the above

Last Answer : (ii) 16-18 mm*

Minm. deflection during transverse breaking load test is? (i) 5 mm (ii) 10 mm (iii) 15 mm* (iv) 20 mm

Description : Minm. deflection during transverse breaking load test is? (i) 5 mm (ii) 10 mm (iii) 15 mm* (iv) 20 mm

Last Answer : (iii) 15 mm*

Finished tolerance on 10 cm. long st. edge on surface of head shall be? (i) 0 to 0.1 mm (ii) 0 to 0.2 mm (iii) 0 to 0.4 mm* (iv) 0 to 0.3 mm

Description : Finished tolerance on 10 cm. long st. edge on surface of head shall be? (i) 0 to 0.1 mm (ii) 0 to 0.2 mm (iii) 0 to 0.4 mm* (iv) 0 to 0.3 mm

Last Answer : (iii) 0 to 0.4 mm*

Finished tolerance on 1 Mt. long st. edge on surface of head shall be? (i) 0 to .1 mm (ii) 1 to 1.5 mm (iii) 0 mm (iv) 0 to 1 mm*

Description : Finished tolerance on 1 Mt. long st. edge on surface of head shall be? (i) 0 to .1 mm (ii) 1 to 1.5 mm (iii) 0 mm (iv) 0 to 1 mm*

Last Answer : (iv) 0 to 1 mm*

Name the material which is separated from molten steel during chemical reaction of A.T welding? (i) Aluminium oxide (slag). * (ii) Ferrous Oxide (iii) Aluminium (iv) Ferrous

Description : Name the material which is separated from molten steel during chemical reaction of A.T welding? (i) Aluminium oxide (slag). * (ii) Ferrous Oxide (iii) Aluminium (iv) Ferrous

Last Answer : (i) Aluminium oxide (slag). *

Minimum traffic block required for execution of AT Weld ? (i) 70 minutes (ii) 70-75 minute.* (iii) 60 mints (iv) 1 hrs and 30 mints

Description : Minimum traffic block required for execution of AT Weld ? (i) 70 minutes (ii) 70-75 minute.* (iii) 60 mints (iv) 1 hrs and 30 mints

Last Answer : (ii) 70-75 minute.*

What is the Shelf life of mould ? (i) 6 months minimum. (ii) 8 months minimum (iii) 9 months minimum* (iv) 12 months minimum

Description : What is the Shelf life of mould ? (i) 6 months minimum. (ii) 8 months minimum (iii) 9 months minimum* (iv) 12 months minimum

Last Answer : (iii) 9 months minimum*

hat is the minimum distance between AT Weld and other joint exist in track? (i) 2 Mt. (ii) 3 Mt. (iii) 4 Mt.* (iv) 4.5 Mt.

Description : hat is the minimum distance between AT Weld and other joint exist in track? (i) 2 Mt. (ii) 3 Mt. (iii) 4 Mt.* (iv) 4.5 Mt.

Last Answer : (iii) 4 Mt.*

The amplitude of a wave is ______. (i) the distance the wave moves in one second (ii). the distance the wave moves in one time period of the wave (iii) the maximum distance moved by the medium particles on either side of the mean position* (iv) the distance equal to one wave length

Description : The amplitude of a wave is ______. (i) the distance the wave moves in one second (ii). the distance the wave moves in one time period of the wave (iii) the maximum distance moved by the medium particles on either side of the mean position* (iv) the distance equal to one wave length

Last Answer : iii) the maximum distance moved by the medium particles on either side of the mean position*

Side looking 700 2MHZ probe is tested for detecting. (i) Flaw in head (ii) Flaw in web (iii) Half moon crack in flange.* (iv) For all above.

Description : Side looking 700 2MHZ probe is tested for detecting. (i) Flaw in head (ii) Flaw in web (iii) Half moon crack in flange.* (iv) For all above.

Last Answer : iii) Half moon crack in flange