Kerala PSC Previous Years Question Paper & Answer
Page:5
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Materials Manager' And exam conducted in the year 2023. And Question paper code was '163/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. 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.
B:-(ii) and (iii) only
C:-(i) and (iii) only
D:-(i), (ii), (iii) and (iv)
Correct Answer:- Option-D
Question21:-In an inverted U tube manometer, the density of the manometric fluid
in comparison with the density of fluid whose pressure difference is to be found out
A:-is lighter
B:-is denser
C:-has same density
D:-doesn't depend on the density
Correct Answer:- Option-A
Question22:-In a hydraulic jack the pistons have an area of o.8cm? aNd 0.04m2. The
specific gravity of hydraulic oil used is 0.87. If a car weighing 1000 kg is to be lifted
up find out the force to be applied
A:-29.6 N
B:-19.6N
C:-9.6 N
0:-39.6 ॥५
Correct Answer:- Option-B
Question23:-The velocity along the centreline of a nozzle of length Lis given by
ധാമ)?
Where u is the velocity in m/s, t is time in seconds and x is the distance in meters
from the nozzle inlet. If the length of nozzle is 0.5 m, the acceleration when t=1
second and x = 0.1 is
A:-1.62 111/52
B:--5.83 m/s
C:--4.21 m/s2
D:-5.83 m/s
Correct Answer:- Option-C
Question24:-The two-dimensional velocity field is given by + V=2%+(-2zy-2)) . The
vorticity is
A:-(2y)k
B:-(4y)k
C:-(-2y)k
D:-(-4y)k
Correct Answer:- Option-C
Question25:-A pitot-static tube records
A:-Static pressure and dynamic pressure