Kerala PSC Previous Years Question Paper & Answer
Page:4
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'WELDER STATE WATER TRANSPORT' And exam conducted in the year 2015. And Question paper code was '126/2015'. 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.
25. Name the metal which does not allow X-rays to pass through it : ध
@) Tin (B) Zinc ५
(€) Lead (D) Copper
26. Which physical property of metals helps retaining the molten metal deposited on the joint in
over head welding?
(4) Thermal contraction (8) Surface tension
(C) Magnetic attraction (D) Density
27. Friction welding is suitable to weld :
(ಗಿ) Rectangle Job (B) Square Job
(0) Irregular طول (D) Circular वणः
28. The welding blow pipe nozzle size for welding 3 mm sheet :
@ 7 © 5
© 2 യ 10
29. In arc welding eyes need to be protected against :
(ക) Intense glare (B) Sparks
(0 Ultra violet rays (D) 170೩ 766 2875
80. Which of the following welding process uses non consumable electrode?
(4) Laser welding (©) TIG welding
(C) MIG welding (D) Thermit welding
31. The main criterion for selection of electrode diameter in arc welding :
(ക) Thickness of materials (B) The materials to be welded
(C) Voltage used (D) Current used
82. The cutting angle of a straight Snips is :
ல 70 ®) موم
© 875 യ 605
33. Name the instrument /tool used for transfer and setting off distances :
(ക) Steel rule (B) Straight edge
(C) L-Square (D) Wing compass
126/2015 6 A
