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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Blacksmith Gr II Kerala State Water Transport English ' And exam conducted in the year 2019. And Question paper code was '068/2019'. 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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Corrosion resistance of steel is increased by adding :
(ಹ) Chromium and Nickel (8) Aluminium and Zinc
(C) Tungsten and Sulphur (D) All of the above
A steel containing 0.8% carbon is known as :
(A) Eutectoid steel (8) Hyper-eutectoid steel
(9) Hypo-eutectoid steel (D) None of these
Which of the following materials cannot be forged ?
(A) Medium carbon steel (B) Mild steel
(C) Wrought iron (D) Castiron
Flatter is a tool used for :
(4) வண்டி (B) Punching
(ಲ) Finishing the surface (D) Holding the job
Case hardening is the only method suitable for :
(A) High speed steel (3) Low carbon steel
(ಲ) Highalloy steel (D) High carbon steel
Increase in hardness of metals due to its cold working is termed as :
(ಹ) Induction hardening (8) ಕ್ರ hardening
(~) Work hardening (D) Flame hardening
Heating the steel above upper critical temperature and then cooling in air is the process of :
(ಹ) Annecaling (B) Normalizing (C) Tempering (D) Hardening
Melting point of pure iron is :
(A) 1259°C (B 1379© © 1539°C (D) 1739°C
7 068/2019
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