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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Overseer/ Draftsman (Mechanical) Gr III/ Tracer in Irrigation & Draftsman (Mechanical) in KAMCO Ltd' And exam conducted in the year 2021. And Question paper code was '072/2021'. 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.
072/21
27. The difference between upper limit of size and lower limit of size is known as
A) Basic size B) Tolerance
C) Actual size D) Clearance
28. The angle of Acme thread is
A) 60° B) 45°
C) 55° D) 29°
29. Ina riveted joint if “6” is the diameter of rivet and 4” is the thickness of plate. Then
according to Unwins formula d =
A) 3t 8) ۸۵
ശേ ഉ) t
30. Which of the following key is in the form of a segment of a circular disc ?
A) Gib head key B) Woodruff key
C) Taper key D) All of the above
31. Which of the following component is used to connect shafts ?
A) Bearing B) Coupling
C) Pulley D) Rivet
32. A Bolt is designated as M12. This means
A) Length 12 mm
B) Minor diameter 12 mm
C) Major diameter 12 mm
0) Pitch 12 mm
33. Ina riveted joint, the distance between two adjacent rivets in the same row measured
in the gauge line is known as
A) Transverse pitch B) Diagonal pitch
C) Marginal distance D) Longitudinal pitch
34. Which of the following component has threads on both ends ?
A) Stud B) Bolt
C) Key D) Rivet
35. Which of the following is a type of Rivet head ?
A) Snap head B) Pan head
C) Countersunk head D) All of the above
A 7