Kerala PSC Previous Years Question Paper & Answer
Page:9
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'INSTRUCTOR GRADE I MECHANICAL ENGINEERING ENGINEERING COLLEGES' And exam conducted in the year 2017. And Question paper code was '093/2017'. 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.
59. In gas welding using oxy
icetylene cylinder pressure of gas is mo
(A) acetylene cylinder (B) അള eylinder
(€) equal in both eylinders (D) none of the ubove
60. In press operation the size of the blanked part is dependent on the size of
(^) 010 (8) 77600
(0 average of punch and die (D) die and clcarance
61. A tooth-paste tube can be produced by
(A) solid forward extrusion (B) sulid backward extrusior
(5) hollow backward extrusion () hollow forward extrusion
62. Which of the following is not-a fusion welding process
(A) Gas welding (8) . Arc welding
(C) Resistance welding (D) Brazing
03. ing method for reducing the diameter of a bur and in the process making longer is termed as
(^) Fullering (8) Upset
(८) Punching (D) Extruding
64, Ring rolling-is us
(A) for producing seamless tube (B) o increase the thickness of a ring
(ल) 1o decrease the thickness of a ring (B) for producing large cylinder
65. Tempering of hardened steel is done 1೧ increase its
(A) grain size ര) ഖേ വോറ
(©) स्का ೮071601 (7) ண்டு
66. വും] in erystal structure are
(A) point imperfection (8) line imperfection
(0) planer imperfection (ए) surface imperfection
67. In steels as the percent carbon increases, which of the following decreases 7
(ക) Ultimate strength (B) Hardness
(€} Ductility (क) Malleability
093/2017 10 ५
