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 'Lecturer in Mechanical Engineering ' And exam conducted in the year 2023. And Question paper code was '129/2023'. 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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A perfect frame contains members equal to (n = no. of joints in frame) :
(A) 22-1 رم 8-9
( ௩-8 0) 8-3
Throat thickness of a single fillet lap joint is given by :
७) "= ൫ ५२
५०
د١
(0) ൫) ೩0%
2
<
where ¢ is the thickness of plate.
A cylindrical pipe 1 m in diameter contains fluid at a pressure of 1 N/mm. If the maximum
permissible tensile stress in metal is 20 N/mm, the thickness of metal required would be :
(^) 2.5 ص (8) 20%
(0 1 ला ൯) 05cm
The ratio of crippling load for a column of length (/) with both ends fixed to the crippling load
of the same column with both ends hinged according to Euler’s theory of long column is equal
to:
(A) 2 (8) 4
(0 0.5 0) 1.0
The included angle of V-thread is :
(^) 30° (B) 45°
(C) 60 (0) 90°
Which type of screw is used in lead screw of a lathe?
(A) Square thread
(B) Knuckle thread
(C) Buttress thread
(D) Acme thread
Two intersecting shafts can be connected by ഉ.
(A) _ straight spur
(B) spiral
(0 cross helical
(D) _ straight bevel
15 129/2023
[.7.0.]