Kerala PSC Previous Years Question Paper & Answer
Page:10
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Deputy Engineer (Mechanical), Inspector of Factories and Boilers Gr II, Assistant Engineer (Mechanical)' And exam conducted in the year 2023. And Question paper code was '050/2023'. 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.
050/23
57.
58.
59.
60.
61.
62.
63.
Surface tension is due to
A) Adhesion B) Gravity and adhesion
C) Stagnation pressure D) Cohesion
The pressure gradient in the horizontal direction (x-direction) in a static fluid is
represented by
00 op
A) —=0 B) +=
Ox न 9
00 OP _
0) --=- D =
) ©= 9 ) പ 9
The Newton’s law of viscosity relates
A) The shear stress and rate of shear strain
B)
C) The viscosity and density of fluid
D) The shear stress, gravity and viscosity
The stress and strain in a fluid
For steady incompressible three-dimensional flow, the continuity equation is given as
00 ov 0५ 0५ ۳۷
A) —+—=0 8) —+—+—=0
) ox oy ) Ox oy 02
سی تی سم के 0) None of the ab
) ox oy മെ ഒ ) None of the above
Moody’s chart is used to determine the
A) Reynolds number B) Nusselt number
C) Friction factor D) Surface tension
Specific speed of a centrifugal pump is
Ja 3 JQ 3
A) NJQH* B) N°JQH*
1
0) NVQH* ) १५९
ಗಃ
Oldham’s coupling is an inversion of
A) Four bar chain
B)
C) Double slider crank chain
D)
Slider-crank chain
Five link chain
-10-