Kerala PSC Previous Years Question Paper & Answer
Page:15
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Engineering Assistant Gr III Department: Kerala State Construction Corporation Ltd ' And exam conducted in the year 2021. And Question paper code was '074/2021'. 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.
95.
96.
97.
98.
99.
100.
074/21
In the case of a simple machine, the ratio of load to be lifted to the effort applied is
known as
A) Mechanical advantage B) Velocity ratio
C) Efficiency D) Output
A mass of 10 kg is placed at a height of 30 m from the ground. The potential energy
of the body will be
A) 2600J B) 2500J
C) 2940 D) 300J
A metal piece with a weight of 60 kg is resting on an even surface. If a force of
18 kg is able to just produce the motion, find the co-efficient of friction.
A) 3.33 B) 0.3
C) 1080 D) 1
The ratio of lateral strain to the linear strain within the elastic limit is known as
A) Poisson’s ratio B) Factor of safety
C) Bulk modulus D) Young’s modulus
A train having a length of 150 m is moving with a velocity of 10 m/sec. How much
time it will take to cross a bridge of length 100 ஈ?
A) 15 sec. B) 10 sec.
C) 25 sec. D) 20 sec.
One joule = Ergs.
A) 105 B) 106
0) 108 0) 107
“15+