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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Helical groove in twist drill is to:
(1) improve stiffness
(9) save tool material
(3) provide space for chip removal
(4) provide rake angle for cutting edge
(A) ஸம் (8). (2) घाव (8)
(C) (8) ೩೩6 (0) (D) (1) and (4)
Which one is not a synthetic abrasive material?
(A) _ Silicon carbide ൯) Alumnium oxide
(C) Titanium Nitride (D) Cubic boron nitride
Stability of floating body depends upon:
(A) its volume
(B) its weight
(C) its metacentric height
(D) specific weight of fluid
The value of coefficient of velocity depends upon :
(A) _ slope of orifice (B) | size of orifice
(C) head of liquid above orifice (D) _ friction at the orifice surface
In a flow measurement a Venturimeter is preferred over an orifice plate :
(^) Pressure drop is minimum
(B) Cheaper
(C) Energy or head loss is less
(D)_ Space is limited
For maximum power transmission through a pipe line the frictional head loss equals :
(A) 8 رم 2
(0 5 त) ೫4
In flow through a pipe the transition from laminar to turbulent flow does not depend :
(A) velocity of the fluid (B) density of fluid
(0) length of pipe (D) diameter of pipe
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