Question 1. In AT welding process what is the role of closing pin?
Option
(1) To hold the portion before melt
(2) To hold the asbestos powder & slag
(3) Both above are correct
(4) None of the above
Answer - (3) Both above are correct
Question 2. In AT welding process what is the role of
asbestos powder & slag?
Option
(1) To separate closing pin from portion*
(2) To hold the portion
(3) Both above are correct
(4) None of the above
Answer - (1) To separate closing pin from
portion
Question 3- What is the life of portion?
Option
(1) 2 years
(2) No specific life.
(3) 6 months
(4) 1 year
Answer - (2) No specific life.
Question 4- Life of Portion mainly depend upon?
Option
(1) Quality of packing
(2) Storage condition
(3) Quality of packing and storage condition.
(4) Ingredients of portions
Answer - (3) Quality of packing and storage
condition.
Question 5- How rejected portion are to be
disposed-off?
Option
(1) By Igniting 5 Portions at a time in pit
away from store?
(2) By throwing them away
(3) By dispose off in a pit
(4) By using it in Branch/Yard lines for welding
Answer - (1) By Igniting 5 Portions at a time
in pit away from store?
Question 6- Where Portion sample tests(test piece) should
be conducted?
Option
(1) At desire by RDSO
(2) At Zonal CMT’s organisation or the Flash Butt Welding plant.
(3) In RDSO campus
(4) As decided by in charge of the plant
Answer - (2) At Zonal CMT’s organisation or the Flash Butt Welding plant.
Question 7- The composition of thermit welding team?
Option
(1) 7 Nos.
(2) 8 Nos.
(3) 6 Nos.
(4) 9 Nos
Answer - (2) 8 Nos.
Question 8- What is the duration for Initial course for
welders (TW-1)?
Option
(1) Two weeks
(2) One week
(3) As decided by TPP/LKO
(4) 3 working days
Answer - (1) Two weeks
Question 9- What is the duration for Refresher course for
welders (TW-2)?
Option
(1) One week
(2) Two weeks
(3) As decided by TPP/LKO
(4) 3 working days
Answer - (1) One week
Question 10- What is the duration for supervisors’ course
(TW-3)?
Option
(1) One week
(2) Two weeks
(3) As decided by TPP/LKO
(4) 3 working days
Answer - (1) One week
Question 11-Type of competency certificate issued after
TW-1 course?
Option
(1) Competency for two years
(2) Provisional competency.
(3) Competency for six months
(4) Competency to do welding independently
Answer - (2) Provisional competency.
Question 12- What is the validity of Provisional
competency certificate?
Option
(1) Valid for executing 50 joints or six months
whichever is earlier.
(2) Valid for executing 100 joints or six months
whichever is earlier.
(3) Valid for executing 50 joints.
(4) Valid for six months
Answer - (2) Valid for executing 100 joints or six
months whichever is earlier.
Question 13- What is the validity after Refresher course
for welders (TW-2)?
Option
(1) Six months
(2) One year
(3) Two years.
(4) All are wrong
Answer - (3) Two years.
Question 14- What is the validity after supervisors’
course (TW-3)?
Option
(1) Normally, supervisors shall not be required to undergo
the course again. However, they may be sent for course on performance basis.
(2) 2 years
(3) 5 Years
(4) 10 Years
Answer - (1) Normally, supervisors shall not be
required to undergo the course again. However, they may be sent for course on
performance basis.
Question 15- How much rail ends are cleaned with Kerosene
Oil and steel wire brush?
Option
(1) Minimum 100 mm both side
(2) Minimum 50 mm both side.
(3) No need
(4) As decided by site supervisor
Answer - (2) Minimum 50 mm both side.
Question 16. Ignition rod can be ignited from?
Option
(1) Match box
(2) Ignition match
(3) From fire
(4) None of the above
Answer - (2) Ignition match
Question 17- What is the minimum distance between AT Weld
and other joint exist in track?
Option
(1) 2 Meters
(2) 3 Meters
(3) 4 Meters
(4) 4.5 Meters
Answer - (3) 4 Meters
Question 18- During AT welding reaction is ?
Option
(1) Exothermic.
(2) Endothermic
(3) No Reaction
(4) Heating
Answer - (1) Exothermic.
Question 19. What is the app. Weight of 52 kg
portion?
Option
(1) 10 kg
(2) 11 kg
(3) 12 kg
(4) None of the above
Answer - (2) 11 kg
Question 20. What is the app weight of 60 kg portion?
Option
(1) 11 kg
(2) 12 kg
(3) 13 kg
(4) None of the above
Answer - (3) 13 kg
Question 21- Internal diameter of thimble in
conventional type of crucible is?
Option
(1) 14 to 16 mm
(1) 16 to 18 mm
(3) 18 to 20 mm
(4) 20 to 22 mm
Answer - (3) 18 to 20 mm
Question 22- Name the material which is separated from
molten steel during chemical reaction of A.T welding?
Option
(1) Aluminium oxide (slag).
(2) Ferrous Oxide
(3) Aluminium
(4) Ferrous
Answer - (1) Aluminium oxide (slag).
Question 23 - Finishing tolerances are measured by?
Option
(1) On 30 centimetres scale
(2) 1 Meters straightedge or 10 centimetres
straightedge.
(3) On 15 centimetres straight edge
(4) On 30 centimetres straight edge
Answer - (2) 1 Meters straightedge or 10 Centimetres
straightedge.
Question 24 - To take care of differential cooling rail
ends of 90 UTS rails are lifted by?
Option
(1) 1 mm
(2) 2 mm
(3) 2 to 2.2 mm.
(4) 1 to 2 mm.
Answer - (3) 2 to 2.2 mm.
Question 25- Which gauge is used to measure finishing tolerances.
Option
(1) Tilted gauge
(2) Filter gauge
(3) Meter gauge
(4) Filler gauge.
Answer - (4) Filler gauge.
No comments:
Post a Comment