Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'STATION OFFICER TRAINEE FIRE AND RESCUE SERVICES' And exam conducted in the year 2015. And Question paper code was '080/2015'. 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.
80/2015
e
Maximum : 100 marks
Time : 1 hour and 15 minutes
When a cylinder is twisted, the ‘internal couple of forces developed within it due 0 elasticity
18 called :
(A) elastic couple 18) twisting couple
(C) torsional couple (12) none of these
In a diesel engine the warking substance is :
(^) Mixture of diesel vapour and air (13) Diesel vapour
യ چتھ (D} Petrol
When a charged particle moves through magnetic field, the force acting on it is called :
(A) Gravitational force (18) Larentz force
(ಉಲ) Dynamic force (D) None of these
In electranics, the device used to convert a.c power to d.c power is :
(A) Amplifier (2) Rectifier
{C) Oscillator (1) Transistor
In Newton's rings arrangement, the radius of curvature of the 1675 18 1 m. 10% and 15 dark
fringes have diameter 0.45cm ஊம் 0.56em respectively. The wavelength of light used to
illuminate is
(ക 5.6 > 10 का @) 5.6 > 1071௬
(C) 56 + 10 पका (D) ق56 10
The light is guided in an optical fiber is on the principal ല്
(५) Refraction {B) Reflection
{C) Total internal reflection (>) Interference
In communication system, the type of modulation which is not widely used in radio and TV
transmission is :
{A) Phase Modulation (3) Amplitude Modulation
() Frequency Maodulation (D) None of these
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