Kerala PSC Previous Years Question Paper & Answer
Page:3
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Assistant Crane Driver (Electrical) - Port ' And exam conducted in the year 2020. And Question paper code was '17/2020/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.
prevent breakage of blade متم
B:To get straight cutting
C= prevent binding when penetrating into the material
0.7० avoid wearing of blade
Correct Answer: Option-C
Question17:-A twist drill of diameter ‘4’ mm rotates with an rpm of पा, Then the cutting speed of drill ॥ ۷۷۳(۳ is
adn
000
பி
Cond
மராம்
யு
Correct Answer:- ೦೧000
Question18::Which one of the following is an artificial abrasive ?
‘AcAluminium oxide
B:-Emery
Sand stone
DCorundum
Correct Answer:- ೦೧000
Question19:-The process of re-conditioning the grinding whee! to make it cut better is known as,
ಸಟಗ
B:-Honing
Dressing
பய்
டட Option-C
Question20:-Name the forging operation by which the length of workpiece is reduced and cross section area is increased
‘Ac Up setting
B:-Drawing
C=Bending
1]
Correct Answer:- ೦೧000
Question21:-Name the property of a material by which, itcan be drawn into thin wires.
‘AcMalleabilty
B:-Hardness
c-Stifiness
D-Duetility
Correct Answer:- Option-D
Question22:-Carburising is a process of
0111
B:-Case hardening
C-Annealing
DsTempering
Correct Answer: Option ®
Question23:-The process of removing metal from the surface around a drilled hole to form a seat for a bolt head or nut is
‘Ac Counter sinking
B:-Counter boring
೦-5೦೭ facing
D=Tapping
Correct Answer: Option-C
Question24:-The tool sed to remove the taper shank drill from the machine spindle is