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: 4 out of 6
Excerpt of Question Code: 020/2015/OL

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4 of 6

De-supplyng low eurent fr instruments
Correct മ
‘Question -tihich De motor hate negligible eect on sped with ineransen torque?
०९ கமில்‌ compound mote
B-DC culate compound motor
Dee shunt motor
Correct newer Opton-D
ചേ a pre inductive AC ‏انیل‎ the average true power is equal to
(CeSquare of cuerent mulupied by reactance Watts
Dav eT wt amperes
Correct ദോ 8
மெல்லை வட part of an instrument which hap leading in and leading out the current tothe moving cols
Bethe copper or duminium dise
‏ماما0‎ 5-۸ ಲ can meneurethcinass and outelde diameters toan accuracy of
‏سپ‎ Opton-D
वि 3 ३०८०३४५०॥ batary charged at 2% to 3% ofnormal ate fora long period, own as
‘Avhoost charge |
Betclde charge
CCotreshening charge
००५५५ ०
Correct Answer Opton-B
‘Queston60:-Double squire cage mducton motors are used where ____
பெயர்‌ எமி முடி.
Below staring torque
Clow running torque
ವಿಡಿಯ ಸು ಬಗ
ರರ ಯ ಬರಸ,
ല്ലം ofthe flowing wirmg circus notin accordance with IF rules?
ರ wing
B-Tunne wiring
‏0ص0‎ 62-12 distance between the two active ides ofa coll under adjacent dissimilar poles called
“Aca pitch
Beannding ptch




‘questionsd-The amount of hee required totncresse the temperature of ane llagram of water through I°C is
‘83187 ule
೫-187 ೫೬.
पणा ८१७8७
‎Correct ദോ
(Queston66-The damping winding m a synchronous motor fs general used
‘Avo prove starting torque oly
Beto reduce ols level
(Coto prevent hunting and to provi the starting tone
Dit reduce eddy eurents
Correct newer Option-C
[0467-1025 dependent resistors are usid as
‘Aves arent sablsers
Bras heating elements
Cc=to suppress surges
Deforinductive 46९४७
Correct म
‘Queston6a-in DC generator, brush shifting is done to
“Svater the inter poe 3
Balter the amin dd ux
ट्रक மிடி வல மனு ಜಡೀ,
ಹ effect
Correct newer Option-C
‘question6s.-To conta alamp from 4 postions, how many switches ar require?
‘Av two-way awnages
Be intermediate itches
(CoS twoway swatches and one intermediate Sitch
2108500503 ೪೪೭/6 504 2104-03 ധികം
Correct newer Opton-D
(Question 7:-The fusing factor for HRC fuse
Correct Answers Opton-D

percentage of rated voltage

‘question 71-Low and medhim vokage underground cables shoul ela at a depth of frm the ground surface tothe top of the cable

Correct newer Options

ಜ್‌ vokage overhead lines the minimum datrance abow ground, which i nected across sree, shall nt be less than

Correct newer Opton-A

10/09/2015 12:04 AM

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