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 'TURNER STATE WATER TRANSPORT' And exam conducted in the year 2015. And Question paper code was '153/2015'. 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.
25. A ————— is a ridge of uniform section formed helically on the surface of a cylindrical
body.
(^) Taper (B) Knurling
)© Radius ∎ ≺↧⊃≻⊟∘⇂↶⊝⋯∤⊔↔∂∉⋅
26. The diameter of the thread at which the thread thickness is equal to one-half of the pitch is
known as :
(4) Effective diameter (B) Major diameter
(C) Minor diameter (D) Core diameter
27. In tap drill size calculation, minor diameter = :
(4) Major diameter —depth (B) Major diameter +2x depth
(€)' Major diameter-2xdspth യ नि
28. —————are used to cut external threads on cylindrical work pieces.
(A) Taps (B) Chasers
(C) Dies (D) Templates
29. Blank size for external threading D = :
P 3-7
@ d+ 10 رق 10
0 d+P el
© 10 4 10
80. The property possessed by a material to resist sudden load that results during metal cutting
is termed as :
(ಹ) Cold hardness (B) Toughness
(C) Hot hardness (D) Tenacity
31. ————is a non-metallic tool material.
(A) Ceramics (B) High carbon steel
(೮) Stellites (D) Carbide
32. In a single point lathe tool, if the top or back rake angle is slopping down 4 the front
towards the back of the tool, it is known as 17ല്ട angle.
(4) Negative (B) Positive
(C) 1680 (D) None of these
153/2015 : 6 ∙ A
