Kerala PSC Previous Years Question Paper & Answer

Title : Maintenance Assistant (Mechanical) - Foam Mattings India Ltd
Question Code : A

Page:12


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name ' Maintenance Assistant (Mechanical) - Foam Mattings India Ltd ' And exam conducted in the year 2022. And Question paper code was '68/2022/OL'. 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: 12 out of 14
Excerpt of Question Code: 68/2022/OL

Correct Answer:- Option B
‘Question83::What is the range of coating factor for medium coated electrodes 7
‏220نم‎ to 2.50
8:-1.60 to 2.20
೩.40 ಐ 2.50
०.1.25 to 1.30
Correct Answer: Option-C
Question84::What are the substances used to make the welds stronger ?
Ac Deoxidizers
B:-Gas forming substances
೦-5/80 forming substances
D:-Are stabilising substances
Correct Answer:- ೦೧000
Question85::Which size cutting nazzle is used for gas cutting 19 - 100 mm thickness plate ?
‏صم قميم‎
‏ممق‎ mm
CoL.2 mm
‏فليم‎ mm
Correct Answer:- Option-D
Question86::Which statement is/are correct about mild stee! electrode 7
i It contain silicon above 0.5%
i,t contain carbon 0.1 to 0.3%
ili, During welding the electrode will tend to get red got quickly
‘AcOnly i and il
B:-Only 1 and i
C-Only ii and i
D-All of the above i, ॥ 2೧ರ ii
Correct Answer: Option ®
Question87:-The percentage of carbon and hydrogen in acetylene gas is
‘Carbon 91.3% and Hydrogen 8.79%
B:-Carbon 92.3% and Hydrogen 7.7%
C-Carbon 93.3% and Hydrogen 6.79%
DCarbon 94.3% and Hydrogen 5.79%
Correct Answer: Option ®
Question88::Which statement is correct about the rightward welding techniques ?
i. The rightward technique 15 used to welding steel having thickness above 5 mm
ii. The rightward technique is used to welding steel having thickness up to 5 mm
ili, There is more heat concentration for fusion, and hence useful for welding thick jobs
iv. There is less heat concentration for fusion, and hence useful for welding thin jobs
കായി
B:-Only ॥ and iv
८001; i and ii
D-Only i
Correct Answer: Option-C
Question89:-In thermit welding, thermit is a mixture of
‏وميم‎ oxide and Aluminium
‏عماج يق‎ oxide and Aluminium
೦೦೧೫೫೦೦1 and Iron oxide
D-Charcoal, ron oxide and Aluminium
Correct Answer:- ೦೧000
Question90:-The straight line which bisecting two toe points is known as
‏7ھ‎ कार

നം of weld

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