WELDER (THEORY) SEMESTER – II AITT JAN 2018 PAPER
41. Which of the following is not considered a type of metal transfer for GMAW?
(a) Short circuiting
(c) Globular
(b) Spray
(d) Droplet
42. The main types of welding joints are –
(a) Flat, square, angled, upright and vertical
(b) Horizontal, single-V, double-V, T-joint and overhead
(c) Butt, lap, corner, T-joint and edge joint
(d) Butt, single bevel, double bevel, plasma and edge joint
43. The main positions for welding pipes are –
(a) 1G, 2G, 3G, 4G
(c) 1F, 2F, 5G, 6G
(b) 1G, 2F, 3F, 5G
(d) 1G, 2G, 5G, 6G
44.The height of the weld face above the base metal in a groove weld is called as –
(a) Crown
(c) Buildup
(b) Weld reinforcement
(d) Face
45. A triangular — shaped weld symbol represents what type of weld?
(a) Fillet weld
(c) Flare groove
(b) Bevel groove
(d) V —groove
46. Which of the following should be removed in order to obtain a good dye penetrant test?
(a) Varnish
(c) Plating
(b) Oxides
(d) All of these
47. Which type of test uses a weighted pendulum which strikes a notched test specimen?
(a) Brinnel test
(c) Tensile test
(b) Fatigue test
(d) Charpy impact test
48. In electron beam welding to eliminate the defect porosity, which has to be adjusted?
(a) Spot size
(c) Weld penetration
(b) Deflection
(d) Focal position / focus current
49. Which one of the following tests makes use of sound waves?
(a) Radiographic test
(c) Dye penetrant test
(b) Ultrasonic test
(d) Magnetic particle test
50. The process of hammering the weld metal immediately after it is deposited is called –
(a) Tinning
(c) Pressing
(b) Peening
(d) Dressing
