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 is heat treatment process produces a scale free surface on work piece?
(ಹ) Induction hardening ற Nitriding
{C) Cyaniding യ) Flame hardening
A closed loop control system is also known as :
{A) Point to point control system (B) Straight line control system
{C) Feedback control system (2) Non Feedback control system
Which of the following is the advantages of CNC machine?
வ High maintenance cost {B) High investment cost
{C) High accuracy and repeatability യ) High training cost
Basic elements or components of NC system are
(ಹ) Program of instruction
{B) Machine control unit
€) Mechanical tool or processing unit
യ All of the above
Compared to open control system a closed control system is :
(ಹ) Less accurate (3) Less expensive
€) More accurate യ) None of these
The CNC command G 01 means :
(ಹ) Linear interpolation {B) Circular interpolation
{C) Positioning in rapid (2) None of these
Several machines are controlled by central computer is called :
(A} CNC ற ட
(0 12% യ) None of these
The CNC command M 08 is for :
(ಹ) ധാ! വ് {B) Coolant on
{C) Chuck close மு) Door close
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