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
55. The pressure of acetylene gas for gas cutting a 10 mm M.S. plate is
A) 0.6 kgf/cm? B) 0.15 kgf/cm?
C) 1.0 kgf/cm? 0) 1.5 kgf/cm?
56. Identify the welding machine which is used to avoid arc blow.
A) Rectifier B) Generator
C) Transformer D) Engine driven set
57. The angle formed between the line of the weld root and the horizontal reference plate is
A) Weld slope B) Face of weld
C) Weld rotation D) Welding position
58. The imaginary line passing through the weld centre lengthwise is known as
A) Weld slope B) Axis of weld
C) Face of weld D) Weld rotation
59. Welding position is determined by
A) Slope and rotation B) Axis and face of weld
C) Face of weld and slope D) Axis of weld and rotation
60. Name the defect, the micro structure properties affected by welding heat.
A) Crater B) Porosity
C) Toe crack D) Heat affected zone
61. Changing the direction of current flow in DC welding machine is
A) Voltage B) Polarity
C) Ampere D) Frequency
62. The percentage of calcium and carbon in calcium carbide is
A) 60:40 B) 70:30
C) 62.5 : 37.5 D) 69.7 : 30.3
A 75