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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What is the formula of caleulating drill size for reamer?
{A) Reamed size — (Undersize + oversize)
{B) Reamed size — (Undersize x oversize)
(€) Reamed size — (oversize — Undersize)
യ Reamed size + (Undersize — oversize)
The included angle of ‘V’ block :
(4) 90° )8( 60%
0 56% ம ஸு
Lip clearance angle in twist drill :
(ಉ 10° - 12 @) 8-12
€y 119-129 യ 75-85
Benchvice is specified :
(ಹ) Distance of two jaws (3) Length of jaw
€) Width of jaw (2) Length of vice
In 5 S concept, 5 ‘S’ 518766 80೫ ---
(ക) Sort, Set, Smooth, Shine, Standardize
(8) Sort, Show, Shine, Standardize, Sustain
{C) Sort, Set, Show, Shine, Sustain
യ Sort, Set, Shine, Standardize, Sustain
External thread cutter is known as :
കലം ற) tap
{C) die nut (0) reamer
In marking of grinding wheel the shellac bond is represented by which letter :
@ s ® E
© B o Y
The least count of vernier micrometer :
¢} 0.01 mm (8) 0.01inch
(0 0.001 mm (0) 0.1mm
112/2018 4
