Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Operator - Kerala Water Authority' And exam conducted in the year 22. And Question paper code was '008/22'. 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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The control force employed in an indicating instrument, which can be kept in any
position is :
(^) gravity control (B) eddy current control
(0) fluid friction control (D) spring control
If the meter constant mentioned in the meter is 1500 revolution/k.W.H., in one
revolution, the energy consumption is :
(A) 40 watt-minutes (B) 60 watt-minutes
(C) 100 watt-minutes (D) 50 watt-minutes
Maxwell-Wein bridge is used for measuring :
(A) capacitance (B) dielectric loss (C) inductance (D) phase angle
The line voltage of a delta-connected three-phase circuit is 415 V. The phase voltage
is:
(A) 220V ൪൫ 230 ष (0) 240 ए (D) 415 V
In a 3 phase star connected resistive load the resistance of each phase is 50 ohm if one of
the resistances is removed and 200 V supply is given the absorbed power will be :
(A) 200 W ൪൫ 400W (0) 800% (D) 600 W
In Flemings left hand rule, forefinger indicates :
(A) Direction of supply of voltage (ಔ) Motion of the conductor
(C) Direction of field (D) Direction of current flow
A current transformer step up :
(^) Voltage (B) Current (C) Power (D) Frequency
Hunting occurs in :
(A) Transformer (B) Induction motor
(C) Synchronous motor (D) D.C. motor
The system earthing is done at :
(A) Domestic wiring (B) Godown wiring
(C) Generating station (D) House wiring
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