Kerala PSC Previous Years Question Paper & Answer

Title : Mechanic
Question Code :


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Mechanic' And exam conducted in the year 2023. And Question paper code was '003/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. 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.

page: 11 out of 11
Excerpt of Question Code: 003/2023/OL

Question95:-When the electrode is connected to the positive terminal and work piece
to the negative terminal of power source, then that is
A:-Straight polarity
B:-Reverse polarity
C:-AC polarity
D:-DC polarity
Correct Answer:- Option-B
Question96:-Threads are cut on a lathe with a single point tool by
A:-setting the correct speed
B:-setting on cut for the full depth of thread
C:-making a series of cuts in the same cut
D:-moving the carriage by means of rack
Correct Answer:- Option-C
Question97:-Which one of the following governs the selection of feed when turning a work?
A:-Tool geometry
B:-Surface finish required
:-Type of coolant required
D:-Chip formation
Correct Answer:- Option-B
Question98:-Which one of the reason for torn threads while thread cutting on lathe?
A:-Blunt tool
B:-Insufficient side clearance
t-Heavy depth of cut
D:-Cutting tool geometry
Correct Answer:- Option-C
Question99:-The lead screw of a lathe have a thread of
Correct Answer:- Option-C
Question100:-The lathe is specified according to the
A:-horse power and chuck diameter
-tool post size
C:-the maximum length of work that can be turn between centres
D:-the size of drill that can be held on the lathe
Correct Answer:- Option-C

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