Page:8
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Engineering Assistant ( Electronics)/Overseer Gr-I (Electronics) - PWD (Electronics Wing) ' And exam conducted in the year 2021. And Question paper code was '137/2021'. 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.
47.
48.
49.
50.
51.
52.
53.
54.
55.
The circuit that separates sync pulses from the composite video waveform is
(A) Schmitt trigger
(C) an integrator
Optical fibres used for communication purpose are mostly fabricated using
(A) Silica
(C) Ceramics
(B) a clipper
(D) a differentiator
(B) Plastic
(D) Copper
Which of the following expression is true in the case of open circuit parameters?
(A) ५ = 24 \/, + 22
(©) درلا 2411 + 2,
و
و
The A scope displays
(A) target position and range
(C) the target position
(8) = 2५1, + 2,, ४,
و
22 + ,52,,1 رلا )0(
و
(B) the target velocity
(D) the target range only
According to Kepler's law, the orbit of any smaller body about a larger body is
always
(A) Circular
(C) Ellipse
Perigee is
(B) Polar
(D) Inclined
(A) the point on the satellite orbit farthest from the centre of earth
(B) the point on the satellite orbit nearest to the centre of earth
(C) the point on the earth that is farthest from the centre of satellite orbit
(D) the point on the earth nearest to the centre of satellite orbit
The inclination of a retrograde orbit lies between
(A) 0° and 90°
(C) 180° and 270°
(B) 90° and 180°
(D) 270° and 360°
Geosynchronous orbit is at a distance of above the surface of the earth
(A) 5000 KM
(C) 34000 KM
(B) 46756 KM
(D) 35786 KM
The project Iridium is the most important application of
(A) LEO satellites
(C) GEO satellites
(B) MEO satellites
(D) HEO satellites
ടന്ന