Kerala PSC Previous Years Question Paper & Answer

Title : TRADESMAN WELDING TECHNICAL EDUCATION TVM KLM PTA KTM EKM TSR MPM KKD KNR DISTS
Question Code : A

Page:5


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'TRADESMAN WELDING TECHNICAL EDUCATION TVM KLM PTA KTM EKM TSR MPM KKD KNR DISTS' And exam conducted in the year 2014. And Question paper code was '147/2014'. 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: 5 out of 12
Excerpt of Question Code: 147/2014



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__in this joint the edges of thin sheets 10 be joined are folded, hooked together and
then pressed te form a joint.

(வ) Revetting (8) एणा (ल) Soldering (D) Seaming

The process of hammering of the weld metal immediately after it is deposited is called :
(A) Pressing (8) Dressing (€) Peening (D) Tinning

What is the temperature range of oxy-acetylene flames ?
(ಗಿ) 3100 to 3300°C (8) 2600 to 2800°C (C) 3400 to 3600°C (D) 3600 to 3800°C

When the arc and moelten metal deviate from their regular path due to magnetic disturbances,
it is called as

(ಗಿ) ಗೀ 01೧೪ (8) Blowhole (C) Distortion (5) Porosity

For removing waler vapour from acetylene gas the material used 15 :
(1) Filter wool (ए) Steel wool (ಲ) Paper filters (D) Pumic stone

Which flux is suitable for welding brass by gas welding 7
(^) Alotectic flux (18) Zinc oxide and potassium dichromate flux
(0 Borax flux (D} None of these

What is the purpose of copper coating, on the mild steel filler rods ?
{A) 19 വേല the heat faster

(ಗ) Ta aveid rusting of mild steel filler rod during long storage
)© Taincrease the strengih of the joint

(12) To give good appearance ம the filler 106

The welding position of weld is defined by two parameters :
(A) Weld slope and weld angle (8) Weld angle and weld rotation
(¢) Weld slope and weld cut (D) Weld slope and weld rotation

The type of electrode used for welding aluminium by TIG welding processis ___

(வ) ‏٢٢۳‎ lungslen electrode (B) Zirconiated tungsten electrode
{C) Thoriated tungsten electrode (12) Ceriated tungsten electrode
7 147/2014

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