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 (Sheet Metal Worker) - Industrial Training ' And exam conducted in the year 2020. And Question paper code was '025/2020'. 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.
44. What Inorganic flux is used for soldering Tin- Bronze?
(^) Sal-ammoniac ൯ Killed spirit
(0 Muriatic acid (D) Phosphoric acid
45. Which part of the following is not related to square section segmental bend pipe?
(^) Throat (B) Heel
(C) Miter line (D) Clearance
46. What is the method of pattern development for a 90° Elbow of equal diameter?
(4) Triangulation (B) Radial
(C) Geometrical construction () Parallel line
47. A Tee joint may be taken as a combination of
(A) Two elbows (B) One elbow and Tee
(C) One acute angle elbow (D) One obtuse angle elbow
48. Which of the following is not a feature essential to do soldering?
(ಹ) Correct joint design ൯) Preparation of joint
(C) Selection of Solder (D) Clean with wirebrush
49. What is the method of soldering applied in rectifying the leakage of water tanks and fuel
tanks?
(A) Brazing ൯) Silver soldering
(C) Sweating soldering (0) Lead filling
50. What is the point angle of a chisel to cut the metal Brass?
(A) 65° (B) 60°
(0 50 (D) 45°
51. The chemical formula of Bauxite :
(0) Al, (SO,),nH,O (B) Al, 03770
2
(© Al, SiO, nH, 0 0) AIPO,nH,O
52. The specific gravity of Copper is:
(A) 8.92 (8)
(0) 11.86 (0)
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025/2020 8 A