## Kerala PSC Previous Years Question Paper & Answer

Title : ASSISTANT ENGINEER ELECTRICAL DIRECT AND BY TRANSFER KSEB
Question Code : A

Page:3

Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'ASSISTANT ENGINEER ELECTRICAL DIRECT AND BY TRANSFER KSEB' And exam conducted in the year 2014. And Question paper code was '193/2014'. 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 12
Excerpt of Question Code: 193/2014

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Kelvin's double bridge 18 used for the measurement of :

(5) Low capacitance (B) High inductance
{C) High resistance - (D) Low resistance
Megger is basically a :
(A} Moving iron instrument (B} Moving coil instrument
(C) Hot wire instrument (11) Electrolytic type instrument

(A) Charge (B) Capacitance
(€) Inductance (D) Current

A circuit has impedance of (3+ j4). If a voltage (100 + j50) is applied, power in the circuit
will be across the 5 () resistance in the mesh shown below is :

മു 1001 (ए) 7۳۲

(€) BOOW D) 660 W

TOD meter is used 10 record :
(A) Energy, time and demand (B) Energy, power and demand
(C) Power, demand and time (D) None of the above

In an induction machine, if the air gap is increased :
(A) Efficiency will be improved (18) 505660 will reduce
(C) Power factor will be lowered (D) Brake dewn torque will be reduced

The வம்சி efficiency of a transformer depends on :
(ക ദ copper loss (B) amount of load
(C) the duration of load (D) both (B) and (C) are correct

A transformer has negative voltage regulation when its power factor is :
&) 00 (B) Unity

Instrument transformers are used in alternating current circuits for extending the range of :
{A) Ammeters (18) Voltmeters
(C) Wattmeter's (D) All the above

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