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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Momentum is the product of mass and
A) Force
C) Velocity
Which of the following has no unit ?
A) Stress
C) Mass
The ratio of frictional force to normal reactio
A) Coefficient of friction
C) Moment of inertia
The ratio of Ultimate stress to working 5
A) Poisson’s ratio
C) Young’s modulus
B) Acceleration
D) Stress
B) Strain
D) Moment
is known as ہ
B) Angle of friction
D) Mechanical advantage
5 is known as
B) Factor of safety
D) Breaking load
According to which law “Within elastic limit stress is directly proportional to strain” ?
A)
०)
Newton's law
Hooke’s law
When a tensile force applied on a body of |
Young’s modulus ‘E’. Then change in length
B) Joules law
D) Charles law
length ‘L’, Area of cross-section ‘A’ and
, | =
^) PLx AE B) PL/AE
C) PLE/A D) AE/PL
What is the kinetic energy of a body of mass 50 kg moving with a velocity 80 m/s ?
A) 320 KJ B) 128 KJ
C) 160 KJ D) 160J
Which of the following have same SI unit ?
A) Velocity and Force
B) Mass and Density
C) Energy and Power
D) Energy and Work done
A spherical ball which is at rest on a horizontal flat surface is an example for
A) Stable equilibrium
C) Neutral equilibrium
B) Unstable equilibrium
D) All of the above