61. The rake and poker is used for :
(A) Remove clinkers from the fire
(B) Remove oxides from the soldering bit
(C) Remove spatters from the work
(D) Remove dents from the sheet
62. The magnetic effect of DC disturbs the arc in Arc welding is called :
(A) 1006 are (B) Arc blow
(C) Short are (D) None of these
63. GUI stands for in Auto CAD
(A) Graphical User Interfere
(B) Geometrical User Interfere
(C) Geometrical User Interface
(D) Graphical User I....
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