Page:4
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Dairy Farm Instructor' And exam conducted in the year 2023. And Question paper code was '242/2023'. 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.
242/23
9.
10.
11.
12.
13.
14.
15.
16.
17.
Sea breeze is based on
A) Radiation B) Convection
C) Conduction D) None of these
The relation connecting frequency (f) and time period (T) of a periodic motion is
T 1
= = f=— f=—
A) f=2aT B) f=2T C) On D) नं
Quantization of charge is
A) Q=+tne B) © = 126
C) Q= a D) None of the above
e
Unit of electric potential is
A) Joule/Coulomb B) Newton/Coulomb
C) Volt/Metre D) None of the above
Which among the following materials that obey Ohm’s law ?
A) Diodes B) Conductors
C) Vacuum tubes D) Thermistors
A ferromagnetic substance above curie temperature
A) Becomes diamagnetic B) Becomes paramagnetic
C) Remains ferromagnetic D) None of the above
The principle behind transformer is
A) Self induction B) Mutual induction
C) Electromagnetic induction D) None of the above
Tuning of radio is based on
A) Electromagnetic induction B) Self induction
C) Resonance D) None of the above
Optical fibres works on the principle of
A) Reflection B) Diffraction
C) Scattering D) Total internal reflection