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 'Jr Instructor (Mechanic Consumer Electronic Appliances)' And exam conducted in the year 2019. And Question paper code was '062/2019/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. 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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D:-Photo voltaic cell
Correct Answer:- Option ®
Question74:-The overall thickness of a LED is abaout
Aol em
8:25 ೦೫
ہی د3ی
0:45 ௭
Correct Answer:- Option ®
Question75:-A LCD panel is not a self illuminated panel. For illuminating this panel_are used as backlight devices
8-100 w lamp
B:-20 w fluorescent tube
معن
DeElectric arc lamp
Correct Answer:- Option-C
Question76:-The contract ratio for the LED TV is defined as
‘Ache difference b/w bright and dark portions
B:-The difference b/w most bright and most dark portions
C:The most bright portion divided by most dark portions
D:-The most bright portion into most dark portion
Correct Answer:- Option ®
Question77:-LCDILED display pane! are usually made in
‘cL em to 100 em
8:25 ೦೫೭೦225 0೫:
೦-3 em to 300 em
D6 em to 160 em
Correct Answer:- Option-D
Question78:-semi automatic washing machine consist of 2 tubs one is wash tub and the other is
‘AcSpin tub
B:-Agitator tub
C=Pulsator tub
Cleaning tub
Correct Answer:- Option-é
Question79:-Generally the HP of motor used in a washing machine is
ಸಿ02 100.25 HP
B:-0.3 to 0.5 HP
6.1.00 30 HP
0:25 103.5 HP
Correct Answer:- ೦೧0008.
Question80:-A microwave oven works ہ٥ __ frequency
1نم 45612
മട
561م دی
ടട
Correct Answer:- Option ®
Question81:-A vacuum cleaner cleans carpets ete on the principle of
‘Ac Radiation
B:-Suction
C=Dispersion
D:-Absorption
Correct Answer: Option ®