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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Electrician in KSFDC, Tourism, Agriculture etc' And exam conducted in the year 21. And Question paper code was '121/21'. 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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While testing a capacitor with a multi meter the needle shows zero position right from the
beginning indicator to the capacitor is :
(ಸಿ) open circuit ®) 17 good condition
(C) | start circuit (1)) change in capacity
Transformers are rated in :
(A) KW (B) KWH
(C) KVR () ۸
n nuclear power section graphite is used for :
(A) moderator ൯) प्ल्
(C) coolant ൯) electrode
n armature core lamination is to reduce :
(A) Copper loss (B) Eddy current loss
(C) Hysteresis loss (D) Wintage loss
n slip induction motor has :
(A) _ short circuited rotor (B) double cage rotor
(C) wound rotor (D) 11011 of the above
Two transformer operated in parallel will share the load depending upon their :
(A) _ per unit impendence ൯) efficiency
(C) rating of KVA (D) leakage reactance
For low discharge and high load water turbine using in:
(A) Kaplan ൯) Pelton wheel
(C) Francis (D) Propeller
n DC generator the emf equation is :
7س وو رم Avon لنگاے پر ७)
66 م 60
© ह لے മ
டு நட = volt
© 120 ©) 66 *
Thermal over load relay is provided in a starter to protect the motor against :
(A) _ short circuit ൯) 80688 current
(0) का circuit (0) _ low voltage
9 121/2021
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