Kerala PSC Previous Years Question Paper & Answer

Title : TECHNICIAN GR II BLACKSMITH CUM WELDER KCMMF LIMITED
Question Code : A

Page:8


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'TECHNICIAN GR II BLACKSMITH CUM WELDER KCMMF LIMITED' And exam conducted in the year 2015. And Question paper code was '208/2015'. 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.

page: 8 out of 12
Excerpt of Question Code: 208/2015



88,

59.

60.

61.



68.

64.

68,

will spoil metal surface due to the effect of various elements in the atmosphere
and water. -

(A) oxidation (3) 1 reduction

(C) corrosion (D) thermal expansion

Shade number of coloured glass for manual metal arc welding current in amperes up to 100 :
ക 8-9 (B) 10-11
(0) 12-14 ۴0 ~ 112
The distance between the junction of the metals and the point where the weld metal touches
the base metal toe is called :

(A) heat affected zone (B) leglength
(C) throat thickness (D) fusion penetration

is the straight distance between the electrode tip and the job surface when the
arc is formed.

(ಹ) arcstream (B) arc length
(C) leglength (D) heat affected zone

When the arc deviates from it's regular paths due to the magnetic disturbances. It is called :

(4) distortion (B) gravity

(C) ஊட (D) polarity
3.15 mm electrode diameter equal to ———————— guage electrode.

@ 12 ®) 10

(0 14 D) 16

Which effect is more useful in the case of over-head welding?

(ക) Gravity force (B) Electromagnetic force

(0) Surface tension (D) Gas expansion force
Steel with a carbon range of 0.05 to 0.80% are called ——————— steel.

(A) high carbon steel (B) medium carbon steel

(C) ‘low carbon steel (D) high speed steel

208/2015 10 A

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