Kerala PSC Previous Years Question Paper & Answer
Page:6
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Assistant Engineer - United Electrical Industries Ltd' And exam conducted in the year 2023. And Question paper code was '231/2023'. 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.
32. An inclined plane with the following details is shown in fig below :
W = Weight of the body, @ = Angle which the inclined plane makes with the horizontal,
R= Normal reaction, “ = Coefficient of friction between the body and the inclined plane and
¢ = Angle of friction, such that w= tan ¢
Then the minimum force (P, ) required to keep the body in equilibrium when it is at the point
of sliding downwards is obtained as :
(A) 9 8) مامت پر ہر
cos sin
(0 று ரமி. (D) هام بن مر
sing 0080
33. If the modulus of elasticity of a material is 150 GPa and its modulus of rigidity is 60 GPa, its
Poisson’s ratio is obtained as :
(A) 1⁄3 ൪൫ 1/4
(0 2/3 (D) 3/4
34. Which one of the following is the value of bending moment at the centre of a simply
supported beam carrying a uniformly distributed load w per unit length if the length of the
beam is]?
2
(A) wi ل م
8
¢ wl wl?
(^) 2 (D) ட்ட
35. What is the equation for estimating Euler’s crippling load for columns with one end fixed and
the other end free?
mE w EI
جا ے جم ൧൧൧
कः گے م
டு பண்றா 27
© == 0) a
231/2023 8 A