Kerala PSC Previous Years Question Paper & Answer

Question Code : A


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'JUNIOR INSTRUCTOR - ELECTRICIAN' And exam conducted in the year 2015. And Question paper code was '020/2015/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.

page: 3 out of 6
Excerpt of Question Code: 020/2015/OL

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‘Berelease the pressure Inde the tank in ease of thermostat விய
24036 8५4 70083 the stam inside the heat in case of overheat
‘Defect ರ ಲ daconnect the supply in eae of earth fault
Correct Answer Option

‘question s7.-Wth the help of wheat stone bridge resistance in the ange of —— ean be measure.
Correct Answer Opton-D

‘Question The heat generated a conductor by the low of an elect current is proportional tothe square ofthe cument value, the resetance of the conductor and thetime for which the current lows, Ths stated by the aw
‘Boule law
Correct Answer” Option

‘Question 91a ease of double squtrel cage mducton motors, the outer cage has
பெய resistance and low യമ
[Bshigh resistance and high enctance
Clow resistance and Nigh reactance
ಹೋ and low reactance
Correct Answer Opton-A

(Questond0.-The property retnoty of material ‏کل‎ useful on the construction of

(व ‏فامدوميه :ممم‎
Denon magnetic substances
Correct Answer ரெடி

(Questondi-The leakage ‏ا‎ transformer depends upon.

‘Avlad current, valtage, frequency and power factor
‘Beloadeurrent,valage and frequency

23034 rent and vokage

ಡುತ erent

Correct Answer Opton-D

‘Question 2-The slip rings of wound rotor machines are made from
‘Sead sted
‎Correct Answer Option-c

‘Question tn large generators, Hydrogen Ie used as
‘Avonductng medium
द and cooking medium
Dconducting and cooling media
Correct Answer நெட்‌

‘Questond-tighest paler factor can be expsctad In which mathod of heating?
‘AvElectri are heating

D-Resistance heating
Correct Answer Opton-D

‘Question 5,-Sulpher hexa Nuoede used a
DeSimehronous motors
Correct Answer Option-c

ಟ್‌ system, where alternatorsare used as power sore the nagative tential 8 ९६०७ ९4, ७९०४९
ജമാ സിവ
യല കട യ ബികെ ലിയ ‏عت‎
‎०८ ०००५

"பனலக மதக तमथ पथाम मन मनम
ಗಸ ಯಸ.

ಹ வவைமு
ക്ത ಯಬ

ಜರ Answer ‏اس‎

ബം phase squirrel cageinduetion motos With high ip, high starting torque and relatively low staring current are comes under the assaf
‏سد سو‎
Cols B motors
Class Amotors
Correct Answer ०१५०५

‘question 49-Messuring netruments are assed based on thle messurtng accursey The prison and uborstry massurng devices comes under quebty case of
Correct Answer Option

மல்ல டய when tasted ban ohm mater wil show alow resistance nthe are of 300 ohms between terminal
47 2004045 634 0%.
നിയ ‏وم ت امم‎
നഷ ദം
ल क

वा भ व the msulation Iyer can withstand without bealang down.
കിലും ജില്‌
Correct Answer Opton-D

‘Queston52-The light output of Tm axle Sodium lampsts nthe ander of

ടി 8
2-150 ೬0೩008
Correct Answer” Opton-D

‘Question The torque ofa ०५०८८०१ matoris proportional to
‘A-square rot of applied wlage
‘Beapplied wltage
लम 01244 10೩4.

Disha of applied vltage
Correct Answer Opton-C

Question St-Tap changing transformers are used for
‘Avstepping up the voltage
‘Bestepping dawn the wllage
ಸರಿ stepping up and steppmg down the vokage

3 of 6 10/09/2015 12:04 AM

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