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.
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*
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
Description : How many detonators are planted during protection of track for welding site ? (i) One (ii) Two (iii) Three* (iv) None of the above
Last Answer : iii) Three*
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 : 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 : 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
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.*
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.
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 : During AT welding reaction is ? (i) Exothermic .* (ii) Endothermic (iii) No Reaction (iv) Heating
Last Answer : (i) Exothermic .*
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). *
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
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*
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*
Description : If code of a fracture is OFW-422 then it means. (i) AT welding with transverse crack. (ii) Flash butt welding with transverse crack. (iii) At welding with horizontal crack.* (iv) None of the above.
Last Answer : (iii) At welding with horizontal crack.*
Description : In AT welding process what is the role of asbestos powder & slag ? (i) To separate closing pin from portion* (ii) To hold the portion (iii) Both above are correct (iv) None of the above
Last Answer : (i) To separate closing pin from portion*
Description : In AT welding process what is the role of closing pin ? (i) To hold the portion before melt (ii) To hold the asbestos powder & slag (iii) Both above are correct* (iv) None of the above
Last Answer : (iii) Both above are correct*
Description : What is the testing frequency of new AT weld ? (i) Just after the welding (ii) After 7 days of welding (iii) With in the one month of welding* (iv) None of the above
Last Answer : iii) With in the one month of welding*
Description : In how many time final grinding should be done of new AT weld ? (i) Just after the welding (ii) After 8 hrs of welding (iii) With in 24 hrs* (iv) None of the above
Last Answer : iii) With in 24 hrs*
Description : In how many time rough riding should be done of new AT weld ? (i) Just after the welding* (ii) After 8 hrs of welding (iii) After 24 hrs (iv) None of the above
Last Answer : i) Just after the welding*
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 : Name the paint used in A.T. Welding painting? (i) Black Paint (ii) Bituminous black IS:9862-1981.* (iii) Any type of black paint (iv) None of the above
Last Answer : (ii) Bituminous black IS:9862-1981.*
Description : When was the collar painting done ? (i) After the welding * (ii) after one week of welding (iii) After 15 days of welding (iv) None of the above
Last Answer : (i) After the welding *
Description : What will happen if slag is not used above the layer of asbestos powder? (i) Auto tapping* (ii) High welding (iii) Low welding (iv) Nothing will happen
Last Answer : (i) Auto tapping*
Description : After AT Welding First train is to be passed after ? (i) 20 Minutes from pouring of weld metal. (ii) 35 Minutes from pouring of weld metal. (iii) 30 Minutes from pouring of weld metal.* (iv) 25 Minutes from pouring of weld metal.
Last Answer : (iii) 30 Minutes from pouring of weld metal.*
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*
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 *
Description : Type of competency certificate issued after TW-1 course? (i) Competency for two years (ii) Provisional competency.* (iii) Competency for six months (iv) Competency to do welding independently
Last Answer : (ii) Provisional competency.*
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 : 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 : Match the following mechanisms for interrupting the execution of a process and their uses. i) Interrupt a) Call to an operating system function ii) Trap b) Reaction to an asynchronous external event iii) Supervisor Call c) Handling of a error ... -a, iii-b C) i-b, ii-c, iii-a D) i-a, ii-c, iii-b
Last Answer : C) i-b, ii-c, iii-a
Description : t is permissible to allow trainee welder to carry out production welding? a) Never b) Yes as long as the supervisor is happy with his workmanship standard c) Yes as long as he has the approved ... cover the intended scope of work d) Yes as long as no NDT is required on the finished weld
Last Answer : a) Never
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 : Lowest level of staff/supervisor competent for Organising Hot weather patrolling during summer months in LWR/CWR. a. Gangmate b. PWI* c. Keyman d. PWS
Last Answer : b. PWI*
Description : Life of Portion mainly depend upon? (i) Quality of packing (ii) Storage condition (iii) Quality of packing and storage condition.* (iv) Ingredients of portions
Last Answer : (iii) Quality of packing and storage condition.*
Description : Lowest level of staff/supervisor competent for packing or renewal of single isolated sleeper not requiring lifting or slewing of track in LWR/CWR. a. PWI b. Keyman c. Gangmate* d. PWS
Last Answer : c. Gangmate*
Description : Lowest level of staff/supervisor competent for Lifting/Lowering of track in LWR/CWR. a. Keyman. b. Gangmate. c. PWI. d. PWS.*
Last Answer : d. PWS.*
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 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 : 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 : 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 : 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.*
Description : Defect of High joint is due to ? (i) Early trimming of weld (ii) Excess provision of height during alignment.* (iii) Early grinding of weld (iv) None of above
Last Answer : (ii) Excess provision of height during alignment.
Description : Defect of low joint is due to? (i) Excess height (ii) Early trimming of weld (iii) Early grinding of weld (iv) Nil/Less provision of height during alignment.
Last Answer : (iv) Nil/Less provision of height during alignment.
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 : 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*