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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'LABORATORY TECHNICAL ASSISTANT MAINTENANCE AND REPAIRS OF DOMESTIC APPLIANCES VHSE' And exam conducted in the year 2015. And Question paper code was '032/2015'. 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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Which of the following device 18 used for Power factor correction?
(ക) Inductor (18) Resistor
(0) Diode (D) Capacitor
An instantaneous voltage change is not possible in :
(ಯ) Resistor (18) Inductor
(C) Capacitor (D) Current source
When resonance occurs in an electric circuit, the power factor 18?
(A) Zero (ए) One
(¢) Less than one (D) Greater than one
‘Which of the following is an example of active component?
(ക Resistor (0) Capacitor
(0 एषा (D) Inductor
Star —Delta starter is used for starting :
(ക DC motor (B) Squirrel cage induction motor
(0 Universal motor (D) Synchronous motor
A lap wound 4 pole DC motor has 460 conductors. Find the number of parallel paths between
the conductors :
(4) 4 رم 2
)0 6 (D) Data not sufficient
The efficiency of half wave rectifier is :
(ಯ). 81.2% (8) 40.6%
. (0 98% M) 48%
‘Which of the following is used as voltage regulator?
(0) Gun Diode (18) Varactor Diode
(9) Zener Diode (D) SCR
Which of the following is a bi-directional Device?
(A) SCR (B) DIAC
(© एण (D) FET
32/2018 6 A