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 '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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150806 Transportation System (STS) is an expendable launch vehicle’ - the
statement is
(A) True (B) False
(C) Irrelevant (D) None of these
Which band of frequencies are used for the satellite services in MSAT?
(A) C-band (B) Ka-band
(C) Ku-band (D) L-band
In C-band, the nominal up link and downlink frequencies are
(A) 8GHz and 6GHz (B) 12GHz and 4GHz
(C) 6GHz and 4GHz (D) 12GHz and 6GHz
The conditions required for an orbit to be geostationary
(A) the orbit must be elliptical
(B) the orbit must be circular
(C) the orbit must be polar
(D) the orbit must be inclined
First version of GSM used
(A) 64 full duplex channels
(B) 124 full duplex channels
(C) 64 half duplex channels
(D) 124 half duplex channels
The minimum distance which allows the same frequency to be reused will depend on
(A) Number of co-channel cells in the vicinity of center cell
(B) The type of geographic terrain
(C) The antenna height and transmitted power at each cell site
(D) All of the above
Transmission power of a cell has to be limited in order to
(A) Achieve higher capacity
(B) Avoid interference with the next cell using the same frequency
(C) Avoid multipath propagation
(D) None of the above
The time over which a call is made within a cell without handoff is called ____
(A) delay time (B) dwell time
(C) seek time (D) guard time
1372021 रा யி