Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Junior Instructor (Welder) - Industrial Training ' And exam conducted in the year 2021. And Question paper code was '070/2021'. 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.
070/21
71. In rightward welding method of pipe ends bended in which angle can be done pipe
butt joint ?
A) 30° - 40° 8) 50° - 70°
C) 75° - 85° 0) 85° - 90°
72. Which cracks develop at the end of the weld joint ?
A) Toe crack B) Under crack
C) Crater crack D) Longitudinal crack
73. If more than one cylinder is connected in a system is called
A) Series system B) Multiple system
C) Manifold system D) Group system
74. Which types of pipe is used in DA manifold system ?
A) Gl pipe B) Steel pipe
C) Copper pipe D) Aluminium pipe
75. The suitable flux for welding of stainless steel is
A) Titanium chloride
B)
C) Magnesium chloride
D) Zinc chloride and potassium dichromate
Sodium borate
76. Which steps to be taken to avoid lack of fusion in gas welding ?
A) Weld with flow speed
B) Weld with uniform speed
C) Weld with decreased filler rod
D) Weld with increased filler rod angle
77. What is the coating factor for medium coated electrode ?
A) 1.25 to3 B) 1.4 to 1.5
C) 1.6 to 2.2 D) 2.3 to 2.5
A -12-