Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Actually why the transformers ate rated in KVA.?

Torrent Pharma, XYZ,

2 3769

Which type of alternator used in power station?

2 2369

How to select the ratio of neutral ct? Is there any relation in between percentage impedance and neutral ct ratio ?

1 2040

stand by earth fault protection (51G) for transformer rating 2000 kVA,Dyn11,33/0.400 V. LV NCT ratio and necessary resistor and metrosil values how to calculate

2166

what is shunt trip coil? what was the function in rmu?

1 3142

I want to ask a question which i faced during testing of Capacitive Voltage Transformer in AIS. We have measured the C1 , C2 individually , but when we start to measure the total C1+C2 , the testing equipment shuts down and says low loading. Kindly is it possible to find the total capacitance by using measuring device. kindly briefly explain the procedure.

AIS,

1317

Tell me about Tesla.

Tata Power,

1 2800

which type of questions asking for solar companies?

GE,

1097

how much earthings are provided for 22KV HT Metering Kiosk

GE, Gionee, Knight Frank, TATA, Vacmet,

1 3403

Why neutral has to switch on-off with phase in TN IT TT systems i.e neutral should be taken as fourth pole

1 1857

When can we take Neutral as common neutral link?

1198

I have a situation to design sub-Distribution board/Panel meant for feeding power sockets. In the incomer CAN i Take TP MCCB with Neutral Link and All the outgoing feeders with to sockets with TP MCCB and Neutral Link? P.S : My System is IT Earthing

1287

when we have to purchase the transformer by own i.e how much load will preferred HT connection?

Power Square,

1174

Calculation for the adequacy of 380 KVA neutral earth flat size

Electrical,

1 1975

how to Select Lighting arrester? What r the parameters to be considered for the selection of Lighting arrester ?

1159


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Un-Answered Questions { Electrical Engineering }

What is oscillator circuit?

656


hi, could someone help me to find a control design for syncronising panel .

1249


best manufacturer for busbar for outdoor switchyard having double bus bar scheme, can any one share technical specification of busbar. 132kv voltage ?

1221


What happened ,If 3 phase clearance not maintained in 33KV Line,11KV LIne etc?

1795


You are of electrical field and you are going for software? Why

1827






When lag/lead/lag-lead compensation is employed?

703


How to calculate the electrical load for a standard telecom BTS shelter and choose the DG set capacity for the same load?

2625


List some examples of renewable energy?

755


why you don not show protection and type of isolation in key single line diagram?

1458


what is the Pickup/drop off ratio in BCPU relays

4128


how can i change the rotation of the AC single phase induction motor and show me by diagram

1284


What is difference between Harmonic and Non harmonic Capacitor Bank?

2363


what is the chemical name and formula of refrigarent R-134a.

1738


WHAT IS SPEC OF CLEANROOM MOTOR AND LIGHT FITTINGS?

1787


Define what is power quality meter ?

637