Kerala PSC Previous Years Question Paper & Answer
Page:10
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Tradesman (Welding)' And exam conducted in the year 2022. And Question paper code was '111/2022'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
76. Gas diffusers of MIG/MAG welding are made by :
(^) Glass (B) Mild steel
(C) Brass (D) Copper
77. What gas combination will reduce spatter defect and improve arc stability in a MIG/MAG
welding process?
(ಹ) CO:2/Neon (2) Argon/COz
(C) Helium/ CO2 (D) Argon/ CO2/O2
78. What is the name of the welding defect, with weld metal contracting during welding process?
(A) Distortion ൯) Lack of fusion
(C) Lack of penetration (D) Porosity
79. What is the defect in a weld joint, in which the weld metal melts through base metal
resulting in holes?
(^) Undercut (B) Overlap
(C) Burn through (D) Distortion
80. What is the effect of MIG/MAG welding for a short stick out distance?
(^) Porosity in weldment (3) Arc blow in weldment
(C) Less spatter deposit in nozzle (D) More spatter deposit in nozzle
81. What is the non-consumable electrode of a high melting point used in TIG welding?
(A) Carbon electrode (B) Copper electrode
(C) Tungsten electrode (D) Aluminium
82. What is the full form of GTAW?
(ಹ) Groove Tungsten arc Welding (B) Grip Tungsten arc Welding
(C) Gas Tungsten arc Welding (D) Galvanized Tungsten arc Welding
83. Which welding process is effective for nickel and titanium?
(A) Arc welding (3) TIG welding
(C) Gas welding (D) MIG welding
84. To identify the argon gas cylinder it is painted with :
(^) Grey color (B) Peacock blue color
(C) Black (D) Scarlet
111/2022 12 A