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 MACHINIST INDUSTRIAL TRAINING English ' And exam conducted in the year 2018. And Question paper code was '105/2018'. 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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70.
In abrasive jet machining, the nozzle mounted in the fixture is made up of
(A) High Speed Steel (B) Aluminium Oxide
(ಲ) Silicon Carbide (D) Tungsten Carbide
‘Which thread is used in lead screw of lathe ?
(A) Acme thread (B) Butters thread
(C) Square thread (D) Knuckle thread
‘Which type head stock have back gear mechanism 7
(ಯ) All geared head stock (B) Stepped cone pulley head stock
(¢) Allofthe above (D) None of the above
‘What is the purpose of clearance angle of lathe cutting tool ?
(ക To guide the chip away
ദ്ദ To avoid over heating
)0 To prevent the tool rubbing with the work
(D) To break the lengthy chips
For turning the work between centers, both faces of the work piece are drilled with
(ಹಿ) Twistdrll (8) Counter sunk
(ಲ) Counter bore (D) Centre drill
In lathe the follower rest is fixed on
(ಹ) Lathe bed (8) 586610
(ಲ) Tail stock (D) Carriage
‘Which mechanism is used to connect carriage to lead screw ?
(ക Rack and pinion (B) Screw cutting mechanism
(ಲ) Half nut mechanism യ Back gear mechanism
In a screw thread lead is equal to
(A) Pitch (B) Pitch X No. of start
(€) Pitch X Major diameter (D) Pitch X Minor diameter
105/2018 10
