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 'TRADESMAN TURNING TECHNICAL EDUCATION TVM PKD KGD ( Malayalam ) ' And exam conducted in the year 2014. And Question paper code was '181/2014'. 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.
9, Calculate the tapping hole size for a M10 x 1.5 precision screw thread:
(A) 82 00 8.5
© 10 D) 92
10. The purpose of rake angle is :
(A) To prevent the flank of the tool rubbing with the work piece
(18) To increase the tool life
(C) To prevent tool from jamming
(D) To guide the chip away and avoid clogging
11. The main advantage of orthogonal cutting is:
(A) It distributed load on larger area
(B) It is suitable for rough turning
(C) More depth of cut can given
(D) Suitable for finish turning
12. The most important quality of any cutting fluid is:
(ക Emulsification (B) Viscosity
(0) Specific gravity (D) Adhesiveness
18. A MS round 30 mm dia. and 100 mm length has to be turned 25 mm dia. in one cut for full
length r.p.m and feed rate is 200 and 0.2 mm respectively, turning time is:
(ಗ) 2.5 minutes (B) 5 minutes
(C) 2 minutes (D) 5.5 minutes
14. Lathe bed are made out of:
(80 White cast iron (B) Grey cast iron
(C) Alloy steel (D) General purpose steel
15. The centre drill size is selected on the basis of:
(ക) Length of work (B) Type of operation
(C) Diameter of work (D} Material of the work
16. Running the drill too fast, result in :
(ಗ) Rough hole (B) Spoiling the cutting edge
(C) Over sized hole (D) Poor surface finish
181/2014 4 A
