Kerala PSC Previous Years Question Paper & Answer
Page:3
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Laboratory Assistant Common Facility Service Centre' And exam conducted in the year 2023. And Question paper code was '019/2023/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.
A:-Liquids only, not gases
B:-Gases only, not liquids
C:-All liquids and gases
D:-Only colourless liquids and gases
Correct Answer:- Option-C
Question12:-When an object is submerged in a liquid at rest, the force exerted by
the liquid on the object will be
A:-Always normal to the object surfaces
B:-Always parallel to the object surfaces
C:-Normal to the object surface at top and parallel to the bottom surface
D:-Normal to the object surface at top and bottom but parallel to the sides
Correct Answer:- Option-A
Question13:-The pressure P at a depth h below the surface of a liquid having
density p, open to the atmosphere is greater than the atmospheric pressure by an
amount
A:-P = }hea
B:-P= yhoo
C:-P = hpg
D:-P = hp?
Correct Answer:- Option-C
Question14:-Hydraulic brakes work on the principle of
A:-Pascal's law
B:-Ohms law
C:-Archimedes principle
D:-Joule's law
Correct Answer:- Option-A
Question15:-The SI unit of viscosity is
क
8:- മടി
[न |
D:-Nsm-2
Correct Answer:- Option-D
Question16:-What is the work done during the time when a weightlifter holding a
100 kg mass steadily on his shoulder for 5 second ?
A:-500 J
B:-20 J
C:-0.05 J