Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'JUNIOR INSTRUCTOR OPERATOR ADVNCED MACHINE TOOLS' And exam conducted in the year 2018. And Question paper code was '112/2018'. 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.
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Which determines the hardness or softness of abrasive wheel?
(A} Strength of abrasive (൫) Structure
{C) Grade of Bond യ ആ
The selection of grinding wheel having hard graded bond for grinding hard metal which may
results :
(മ Heavy reduction of material (3) Heavy reduction from wheel
€) Grooving (D) Glazing
‘Which is the example of splash method ग lubrication?
(മ) Wick feed (3) Stauffer screw
€) Ring oiling (D) Winkley oiler
‘Which type of milling cutter is used for milling deep narrow slots and keyways?
(A} Staggered teeth side milling cutter
{B) Interlocking side milling cutter
{C) Half side milling cutter
യ Helical side and face milling cutter
Which factor is correct about Up-Milling?
{A) The feed direction of cutting Tool is same to its rotation
{B) The chip thickness is zero in starting
{C) The chip thickness is minimum towards the end of cut
(>) The main radial force which gives downward pressure and better holding of work
In Milling Machine which is the following provides extra stability to the machine?
{A) Brace {B) Overarm
(0 Knee (2) Column
Thin cut-off wheels are made with :
{A) Organic Bond {B) Inorganic Bond
{C) Chemical Bond യ) None of these
Choose the correct RPM for turning a job having diameter 50 mm and cutting speed is
62.85 m/min :
(^ 0 (B) 400
)©0 450 (D) 300
7 112/2018
[P.T.O.]
