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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Technical Superintendent (Engineering) Kerala Co operative Milk Marketing Federation Limited' And exam conducted in the year 2020. And Question paper code was '012/2020'. 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.
012/2020
Maximum : 100 marks
Time : 1 hour and 15 minutes
1. Ohm’s law 18 not applicable to :
(^) Semiconductors (B) DC circuits
(C) Small resistors (D) High currents
2. 2J work is done in taking a charge of 20 C from one point to the other at a distance of
0.2m. The potential difference between the points is :
(ಯ 7۷ (3) யப
(2) 7 D) 1೬10517
ॐ. The ratio of the resistances of 100W and 40W bulbs of the same rated voltage is :
(ಯ) 2:5 B) 52
€) 25:4 യ 425
4. A metal plate of thickness half the plate separation is introduced between the plates
of parallel plate capacitor. The capacitance :
(A) Remains unchanged (B) Gets doubled
(C) Gets halved (D) Becomes infinite
5. 1௩௦ dissipation factor of a good 6161600710 15 ೧? 176 ೧೫667 ೧7 :
^) 0.0002 ൪൫ 0.002
(C) 0.02 യ) 0.2
6. The magnetic susceptibility is negative for :
(A) Diamagnetic materials only
(B) Paramagnetic materials only
(C) Ferromagnetic materials only
(D) Paramagnetic and ferromagnetic materials
7. A 3-phase delta connected symmetrical load consumes P watts of power from a
balanced supply. If the same load is connected in star to the same supply then what
is the power consumption?
(^) 8 ®) 7?
(0 8 ¢ ॐ
[P.T.O.]