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 'Lecturer in Electonics Engineering ( NCA)' And exam conducted in the year 2017. And Question paper code was '098/2017/OL'. 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.
0:-५ (०8
Correct Answer:- Option-B
Question76:-In a loss less inverter, the average power absorbed in one period by the load must be
A:-Equal to the average power supplied by the dc source
B:-Greater than the average power supplied by the dc source
C:-Lesser than the average power supplied by the dc source
D:-Equal to the average power supplied by the ac source
Correct Answer:- Option-A
Question77:-A module in a solar panel refers to
A:-Series arrangement of solar cells
B:-Parallel arrangement of solar cells
C:-Series and parallel arrangement of solar cells
D:-None of the above
Correct Answer:- Option-C
Question78:-A laser diode normally emits
A:-Coherent and monochromatic light
B:-Coherent light
C:-Monochromatic light
D:-Neither coherent nor monochromatic light
Correct Answer:- Option-A
Question79:-The quality of output AC voltage of cycloconverter is improved with
A:-Increase in output voltage at reduced frequency
B:-Increase in output voltage at increased frequency
:-Decrease in output voltage at reduced frequency
D:-Decrease in output voltage at increased frequency
Correct Answer:- Option-B
Question80:-With the increase in the intensity of light, the resistance of a photovoltaic cell
A:-Decreases
B:-Increases
:-Remains same
D:-None of these
Correct Answer:- Option-A
Question81:-LED
A:-is usually made from Ge
-Uses a reverse biased junction
C:-Emits light due to recombination of holes and electrons
D:-Gives light output which increases with increase in temperature
Correct Answer:- Option-C
Question82:-SPST, SPDT, DPDT and DPST are
A:-Solid state relays
-Input-output interface modules
C:-Solid state switches
D:-Electrical relay contact types
Correct Answer:- Option-D
Question83:-The 8 bit micro controller has
A:-Data bus of 8 bits
B:-Address bus of 8 bits
C:-8K ROM
D:-Both data and address bus 8 bits
Correct Answer:- Option-A
Question84:-The additional features of 3G that are not available with 2G are
i) Mobile TV
ii) MMS
iii) Video transfers
iv) GPS
-ii, iii, iv
D:-i, ii, iii, iv
Correct Answer:- Option-B