Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'ASSISTANT ENGINEER ELECTRICAL PLANTATION CORPORATION OF KERALA LTD' And exam conducted in the year 2018. And Question paper code was '029/2018'. 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.
Creeping in an energy meter occurs when
(^) Only Pressure coil is energized
(B) Only Current coil is energized
(ಲ) Both Pressure coil and Current coil are energized
(D) Both Pressure coil and Current coil are not energized
An energy meter was tested in a laboratory by phantom loading method with a resistive load
and by providing a balanced 3 phase supply. The current coil is connected in the R phase
and the pressure coil is connected across R phase and B phase. What would be the power
factor under test ?
4) Upf ൫ 0515 ८) 0.866 1086 (D) 0.866 lag
Schering bridge is used for measuring unknown
(ಹ) Resistance (8) Inductance (~) Capacitance (D) Impedance
LVDT is used for measurement of
(ಹ) Velocity (8) Pressure (ಲ) Tension (D) Displacement
All joints in earthing conductors shall be properly tinned because, Tin offers
(ಹ) Corrosion protection (8) Solderability
(ಲ) A better contact surface (D) All of these
Which one of the following is used to reduce water hammer effect in Hydro Electric Power
ಹಿ) Surge Tank (8) Butterfly valve
(ಲ) Globe valve (D) Spill way
A generating station has a connected load of 50 MW and a maximum demand of 20 MW.
No. of units generated is 60 MWhr for the year. What is the Demand factor ?
(ಹ) 0.33 بی 0.4 © 25 o 3
In an ac transmission system the receiving end voltage is found to be more than the sending
end voltage. This phenomenon is called
(ಹ) Harmonics (8) Ferranti effect (ಲ) Corona (D) ടിന effect