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 '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.
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The maximum velocity in a circular pipe when the flow is laminar occurs at
A) the top of the pipe
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0
Due to which of the following phenomena water hammer is caused ?
)
)
)
8) the bottom of the pipe
the center of the pipe
same in all direction
A) Sudden closure of valve ina pipe line
0
)
)
)
In-compressibility of fluid
D) The material of the pipe line
8) Sudden opening of valve in a pipe line
The venturimeter is used for measuring
A) Pressure
8,
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)
)
)
Flow rate
Total energy
Total head
072/21
The phenomenon by which a liquid rises into a thin glass tube above or below its
normal level
A) Capillarity
C) Cohesion
The viscosity of a liquid
A) increases
8,
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)
)
)
decreases
first decreases then increases
first increases then decreases
with increase in temperature.
Surface Tension is expressed in terms of
A) N/m
©) N/m2
B) Surface Tension
D) Adhesion
8) N2/m
0) ೫/73
The channel without any cover at the top is known as
A) Natural channel
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)
)
)
B) Open channel
Artificial channel
None of the above