Q Bank (P WAY) AT (Aluminium and iron oxide) Welding MCQ

 

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. 

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