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 (Turner) (NCA- LC/AI)' And exam conducted in the year 2023. And Question paper code was '159/2023/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.
Correct Answer:- Option-A
Question11:-The element of taper which is expressed by 'Number' in metric taper is
A:-Length
B:-Angle of taper
C:-Small diameter
D:-Big diameter
Correct Answer:- Option-D
Question12:-What is the taper ratio for a taper length of 18 units and the difference
in diameter is 1 unit?
A:-2:18
B:- 1:18
C:- 1:20
0-3 : 9
Correct Answer:- Option-B
Question13:-Which one of the following taper turning method can be used for
cutting internal taper without power feed?
A:-Combination of feeds
B:-Tail stock offset method
C:-Taper turning attachment
D:-Compound rest swiveling method
Correct Answer:- Option-D
Question14:-What is the ratio of standard pin tapers used in Taper pins?
A:-1 : 30
B:-1 : 40
C:-1:50
D:-1 : 60
Correct Answer:- Option-C
Question15:-What are the range of Morse tapers used on taper shank twist drills,
lathe centers and reamers?
A:-MTO to MT4
B:-MT2 to MT7
C:-MT3 to MT7
D:-MT5 to MT8
Correct Answer:- Option-A
Question16:-Find the amount of taper for a length of 100 mm, if the big diameter is
75 mm and small diameter is 65 mm.
A:-2:20