Page 20 - Welder - TP - Kannada
P. 20

OAGC-04  16  Marking and perform radial cuts, cutting
                                               out holes using oxy-acetylene gas cutting.
                                            17  Identify  cutting  defects  viz.,  distortion,
                                               grooved,  fluted  or  ragged  cuts;  poor
                                   OAGC-05     draglines; rounded edges; tightly adhering
                                               slag.
                                            18  Square butt joint on M.S. sheet 2 mm thick
                                   OAGC-06

                 safety precautions.   OAW-04  in flat Position. (1G)
                 [Different position: -      19. Fillet “T” joint on M.S. Plate 10 mm thick   -   Arc welding power sourc-
                 1F, 2F, 3F, 1G, 2G,           in flat position. (1F)                es: Transformer, Rectifier
                 3G.]              SMAW-04   20. Open corner joint on MS sheet 2 mm   and Inverter type welding
                 Set   t he  SMAW              thick in flat Position (1F)           machines  and  its  care
                 machine and perform   OAW-05  21  Fillet lap joint on M.S. plate 10 mm thick   &maintenance..
                 different type of joints                                         -   Advantages  and  disad-
                 on MS in different                                                  vantages of A.C. and D.C.
                 position  observing
                 standard procedure.  SMAW-05  in flat position. (1F)                welding machines
                 [different  types  of       22  Fillet “T” joint on MS sheet 2 mm thick in   -   Welding positions as per
                 joints- Fillet ( T-joint,     flat position. (1F)                   EN &ASME: flat, horizon-
                 lap  &  Corner),   OAW-06   23  Open Corner joint on MS plate 10 mm   tal, vertical and over head
                 Butt  (Square  &  V);         thick in flat position. (1F)          position.
                 different  position  -   SMAW-06                                 -   Weld slope and rotation.
                 1F,  2F,  3F,4F,  1G,       24  Fillet Lap joint on MS sheet 2 mm thick
                 2G, 3G, 4G]                                                      -   Welding  symbols  as  per
                 Set   t he  SMAW  OAW-07      in flat position. (1F)                BIS & AWS.
                 machine  and                25  Single   “V” Butt joint on MS plate 12 mm   -   Arc length - types - effects
                 perform  different            thick in flat position (1G).          of arc length.
                 type of joints on MS   SMAW-07
                 in  different  position     26  Testing of weld joints by visual inspection.   -   Polarity: Types  and  ap-
                                             27  Inspection of welds by using weld gauges.   plications.
                                   I&T-01    28  Square Butt joint on M.S. sheet. 2 mm   -   Weld  quality  inspection,
                                   OAW-08      thick in Horizontal position. (2G)    common  welding  mis-
                                             29  Straight  line  beads  and  multi  layer   takes  and  appearance of
                                                                                     good and defective welds
                                                                                  -   Weld gauges & its uses.
                                               practice on M.S. Plate 10 mm thick in   -   Calcium  carbide  uses
                                               Horizontal position.                   and hazard.
                                   SMAW-08
                                            30  Fillet “T” joint on M.S. plate 10 mm thick   -   Acetylene gas properties
                                               in Horizontal position. (2F)           and flash back arrestor.
                                   SMAW-09  31  Fillet Lap joint on M.S. sheet 2 mm thick   -   Oxygen gas and its prop-
                                   OAW-09      in horizontal position (2F)            erties, uses in welding.
                                   SMAW-10
                                            32  Fillet Lap joint on M.S. plate 10 mm thick

                                               in horizontal position.  (2F)      -   Charging process of oxy-
                                             33  Fusion run with filler rod in vertical position   gen and acetylene gases
                                                                                  -   Oxygen  and  Dissolved
                                                                                     Acetylene  gas  cylinders

                                               on 2mm thick M.S sheet.               and  Color  coding  for
                                             34  Square Butt joint on M.S. sheet. 2 mm   different gas cylinders.
                                               thick in vertical position (3G)    -   Uses of single  and double
                                                                                     stage Gas                  regula-
                                                                                     tors.
                                                                                  -   Oxy acetylene gas welding
                                                                                     Systems  (Low  pressure
                                                                                     and High pressure).






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