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*
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*
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*
Description : Finishing tolerances are measured by? (i) On 30 cm scale (ii) 1 MT straightedge or 10 CM straightedge.* (iii) On 15 cm straight edge (iv) On 30 cm straight edge
Last Answer : (ii) 1 MT straightedge or 10 CM straightedge.*
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 *
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.*
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
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.*
Description : Distance between the two detonators should be (i) 15 Mt. (ii) 10 Mt.* (iii) 20 Mt (iv) None of the above
Last Answer : (ii) 10 Mt.*
Description : Ist detonator is planted at a distance of (i) 1200 Mt. from welding site .* (ii) 600 mtrs from welding site (iii) 30 mtrs from welding site (iv) None of the above
Last Answer : (i) 1200 Mt. from welding site .*
Description : Banner flag is planted at a distance of (i) At the site of work (ii) At 1200 mtrs from welding site (iii) At 30 mtrs from welding site (iv) 600 Mt. from welding site .*
Last Answer : iv) 600 Mt. from welding site .
Description : Min. breaking load of 60kg weld during transverse breaking load test is? (i) 110 MT (ii) 115 MT* (iii) 90 MT (iv) 120 MT
Last Answer : (ii) 115 MT*
Description : Min. breaking load of 52kg weld during transverse breaking load test is? (i) 90MT* (ii) 100 MT (iii) 110 MT (iv) 120 MT
Last Answer : (i) 90MT*
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*
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
Description : Pressure of Oxygen during pre-heating shall be? (i) 4.0 – 5.0 kg/ sq cm (ii) 5.0 – 6.0 kg/ sq cm (iii) 6.0 – 7.0 kg/ sq cm (iv) 7.0 – 8.0 kg/ sq cm *
Last Answer : (iv) 7.0 – 8.0 kg/ sq cm *
Description : ressure of LPG during pre-heating shall be? (i) 2.0 - 2.5 kg/ sq cm (ii) 2.0 - 2.5 kg/ sq cm (iii) 2.0 - 2.5 kg/ sq cm* (iv) 2.0 - 2.5 kg/ sq cm
Last Answer : (iii) 2.0 - 2.5 kg/ sq cm*
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 *
Description : What is the validity after supervisors course (TW-3)? (i) Normally, supervisors shall not be required to undergo the course again. However, they may be sent for course on performance basis.* (ii) 2 years (iii) 5 Years (iv) 10 Years
Last Answer : (i) Normally, supervisors shall not be required to undergo the course again. However, they may be sent for course on performance basis.*
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*
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 *
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*
Description : DFWR weld shall be replaced. (i) Within 2 months of detection. (ii) Within 1 year of detection. (iii) Within 3 months of detection.* (iv) after 3 days of detection.
Last Answer : (iii) Within 3 months of detection.*
Description : Sensitivity calibration against temp. variation shall be carried out. (i) At least once in month* (ii) quarterly. (iii) at least once in six months (iv) Any of above.
Last Answer : i) At least once in month*
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. *
Description : Rails used for A T Welding shall not normally be welded? (i) 20 years old . (ii) 30 years old (iii) 40 years old (iv) 50 years old*
Last Answer : iv) 50 years old*
Description : What is the speed restriction to be observed for train passing? (i) Necessary speed restriction shall be observed until the grinding operation is over.* (ii) 30KMPH (iii) 45 KMPH (iv) Not required
Last Answer : (i) Necessary speed restriction shall be observed until the grinding operation is over.*
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*
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*
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.*
Description : 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
Last Answer : (ii) Minimum 50 mm both side.*
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*
Description : How many grams asbestos powder is used to cover head of closing pin ? (i) 2 grams (ii) 3 grams (iii) 4 grams (iv) 5 grams*
Last Answer : (iv) 5 grams*
Description : During periodic testing of an AT weld with 700 probe, a bunch of moving signals of less than 40% but more than 10% is observed in the head of weld, the joint will be. (i) Good joint.* (ii) DFWR (iii) DFWO (iv) OBSW
Last Answer : i) Good joint.*
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
Description : Head of closing pin is covered with (i) Asbestos powder (ii) Slag Powder (iii) Asbestos powder than slag* (iv) None of aboveove
Last Answer : iii) Asbestos powder than slag*
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 .*
Description : nternal diameter of thimble in conventional type of crucible is? (i) 14-16 mm (i) 16-18 mm (iii) 18-20 mm* (iv) 20-22 mm
Last Answer : (iii) 18-20 mm*
Description : The minimum edge distance for rivets of diameter ‘d’ in steel plates shall be a) 2 x d b) 3 x d c) 1.5 x d* d) 2.5 x d
Last Answer : c) 1.5 x d*
Description : The horizontal clearance of edge of foot over bridge structure from face of platform is a) 6525 mm b) 3660 mm* c) 5330 mm d) 5300 mm
Last Answer : b) 3660 mm*
Description : Heating time with compressed air and petrol in SPW is ? (i) 4.0 to 4.5 minutes.* (ii) 4.0 to 5 minutes (iii) 5.0 to 5.5 minutes (iv) 5.5 to 6 minutes
Last Answer : (i) 4.0 to 4.5 minutes.*
Description : What is the heating time in OXY & LPG in SPW? (i) 2.0 - 3.5 minutes. (ii) 2.0 - 3.0 minutes. (iii) 2.0 - 2.5 minutes.* (iv) 3.0 - 4.5 minutes.
Last Answer : iii) 2.0 - 2.5 minutes
Description : The frequency of a wave travelling at a speed of 500 ms-1 is 25 Hz. Its time period will be ______. (i) 20 s (ii) 0.05 s (iii) 25 s (iv) 0.04 s
Last Answer : (iv) 0.04 s
Description : Pressure of compressed air is kept during preheating by CAPS? (i) 1 to 2 kg/cm2 (ii) .1 to .2 kg/cm2 (iii) 2 to 3 kg/cm2 (iv) 0.2 to 0.3 kg/cm2*
Last Answer : (iv) 0.2 to 0.3 kg/cm2*
Description : The diameter of hole for 20 dia rivet shall be a) 23 mm b) 18 mm c) 21.5 mm* d) 22 mm
Last Answer : c) 21.5 mm*
Description : What is mould waiting time? (i) 3 to 5 minutes. (ii) 4 to 6 minutes* (iii) 3.5 to 5.5 minutes (iv) 4.5 to 6.5 minuteses
Last Answer : (ii) 4 to 6 minutes*
Description : How many nos. of sleepers should be loosened either side of the proposed weld? (i) 3 sleepers (ii) 5 sleepers.* (iii) 2 sleepers (iv) 4 sleepers
Last Answer : (ii) 5 sleepers.
Description : Risers are broken at? (i) cold. * (ii) Hot (iii) After 5 mints (iv) After 3 mints
Last Answer : (i) cold. *
Description : How rejected portion are to be disposed-off? (i) By Igniting 5 Portions at a time in pit away from store?* (ii) By throwing them away (iii) By dispose off in a pit (iv) By using it in Branch/Yard lines for welding
Last Answer : (i) By Igniting 5 Portions at a time in pit away from store?*
Description : For high level flush the nominal dia of flush pipe shall be (a) 32 mm* (b) 40 mm (c) 25 mm (d) None of these
Last Answer : a) 32 mm*