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 'Tradesman (Sheet Metal)' And exam conducted in the year 2022. And Question paper code was '113/2022'. 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.
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What temperature eutectic alloy solder melts?
(A) 183°C ൫ 192°C
(© 205°C (D) 220°C
Which is a hard soldering process used to join copper, brass and most ferrous metals?
(A) Welding (B) Brazing
(C) Seaming (D) Hemming
What is the temperature range of oxy-acetylene flame?
(A) 27001௦ 280060 (B) 18001௦ 220056
(©) 94001௦ 270050 ௫) 3100 to 3300°C
What type of equipment used for lighting the torch of blow pipe?
(A) Match box (B) Spark lighter
(C) Gas lighter ൯൬) Electric lighter
Which metal welding process the carburizing flame is used?
(^) Mild steel (B) Brass
(C) Cast iron () Stellite
The two commonly used inert gas in TIG welding :
(A) Argon and Helium (B) Argon and Carbon dioxide
(C) Helium and Carbon dioxide (D) Nitrogen and Carbon dioxide
Spot welding, seam welding, butt welding, flash butt welding, projection welding are
different methods of :
(^) Thermit welding (B) Forge welding
( Friction welding (D) Resistance welding
What is the process of separating metal on heating by chemical reaction of oxygen and heated
metal?
(A) Gas cutting (B) Plasma cutting
(C) Laser cutting (D) Water jet cutting
Which is the material that cannot be cut with water jet cutting?
ھ) Plastic (B) Diamond
(C) Rubber (D) Leather
113/2022 12 A