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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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The property of material to retain its hardness at elevated temperature is known as :
(മ Vickers hardness (3) Cold hardness
{C) Brinell hardness യ) Red hardness
Milling cutter is mounded on :
(ക Spindle (8) Arbor
{C) Tool post (D) Saddle
Which feed is used for rough cutting?
{A) Large feed (B} Smallfeed
{C) Moderate feed യ) None of these
High speed steel contain :
{A) 18% chromium 4% tungsten 1% vanadium
{B) 18% tungsten 4% chromium 1% vanadium
€) 18% tungsten 4% vanadium 1% chromium
(D) 18% vanadium 4% tungsten 1% chromium
If D is the initial diameter d is the finished diameter in lathe work, then the depth of cut is
८4} (0 -१)2 By (0 + ०2
(0 -٥) 0129 യ) None of these
Which of the following factors effect the cutting speed?
{A) Cutting tool material ற ரக coolant
€) Kind of material being cut യ) Allof these
The highest peak in the Eastern Ghats :
{A) Anamudi (3) Mahendragiri
{C) Doda Betta {D) Dhaulagiri
Which is the largest coastal salt water lake in India?
(A} Gobind Sagar ற Loletak
{C) Chilka (D) Wular Lake
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