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 'POLICE CONSTABLE TELECOMMUNICATIONS POLICE' And exam conducted in the year 2018. And Question paper code was '024/2018'. 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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48. The inductive reactance value __ with the increase in frequency
ed voltaye
(५) Does not change (8) Increasc
(೮) (D) Become Zero
1031157755 3೬ 8 8 12 അമിനി
(^) 74138 (൫ 7408 (<) 74151 (D) 7486
50. ‘The peak inverse voltape for Bridge rectifier is
(ಯ) ण्ण (8) 2Vm ص2 م (ಐ) Zero
51. Etching sohution for PCB is made by ----
(A) Sodium Chloride (ठ) Isopropyl Alchohol
(യ Ferric Chloride (D) None of the abave
52. fecdback is used in 4220ರ
(ಹ) ٥ (8) Negative
(©) Both (A) and (B) () None of the above
53. LM 317 is
(^) an operational amplificr ری உணட
(©) adigital IC (0) a regulator IC
54, The current rating of lead acid batfery is expresse 7>... 0
(&) Ampere turns (8) Ampere Ohms
(C) Ampere hour (D) HP
55. Bandwidth of an ideal OP-Amps is -
(ಹ) Infinity (8) Zero
(©) Unity (D) None of the above
_ microphones requires a DC voltage for its operation.
Crystal (8) Mov
(¢) Ribbon (D) ಲಂಗ
024/2018 8
