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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.
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'The apogee and perigee are always exactly opposite to each other' - the statement is
(A) True (B) False
(C) Partially True (D) Irrelevant
The basic cassegrain antenna consists of
(A) a main paraboloid and a sub reflector, which is an ellipsoid
(B) a main paraboloidal reflector
(C) a main paraboloid and a sub reflector which is hyperboloid
(D) a main hyperboloid and a sub reflector which is paraboloid
Denoting the focal distance of a parabolic reflector by 'p' and focal length ‘f' then the
Space Attenuation Function (SAF) is given by
2
0 م
(A) = B)| =
(A) 5 ( 1 3
f fy
(€) ~ (0) (६)
م م
Satellites known as 'spinners' are used for
(A) Spin control (B) Attitude control
(C) Power control (D) Orbit control
Station keeping is applicable for
(A) Orbit control of Geostationary satellites
(B) Attitude control of Geostationary satellites
(C) Power control of Geostationary satellites
(D) Thermal control of Geostationary satellites
The system which allows the antenna to handle transmit or receive signals
simultaneously is known as
(A) Diplexer (B) Duplexer
(C) Combiner (D) Divider
Which was the first communication satellite placed in the Geostationary orbit?
(A) MSAT (B) INSAT |
(C) VSAT (0) INTELSAT I
The series of interconnected units which forms a single communication channel
between transmit and receive antennas in a communication satellite is known as
(A) Transceivers (B) Demultiplexers
(C) Transponders (D) Duplexers
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