Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

how we can calculate cable size of 230v,1 hp single phase motor ? panel to motor distance is 25 meter

4 18248

In induction machine when the load increase the current will increase .why? what is the relation ship between the sleep and current drown by stater?

1 2892

can we run a motor rated 50Hz,415vac,1440RPM At higher speed then rated on name plate with the help of VFD /drive on long term basis.wheater it will effect the motor life

3 7169

In APFC panel, Why on dealy timer is used in Capacitor controlling circuit?

1 9512

How wire size can define in electrical wiring? What is the ratio?

Descon,

2356

i am trying to PSUs/govermeant jobs since last 2 years but still i m not success, plz help me.

1997

WHWT IS USE OF VACCUM CIRCUIT BREAKER

4 8756

IF 5000amp current on LT 440V. then how much it will draw amp on HT 11KV side

10 28870

why reactive power produce in generator? why inductive load absorbe reactive power?

2 6341

what happen if generator exitation lost?

7 13501

what is the basic paramter to set a electric drive

Alpha,

1 4133

what is the physical connection of a analog i/p to a analog i/p module (ab plc)and through a analog o/p module(ab plc) to a analog o/p . and how all the process control by scada

1982

if a number of plc s are there then how many modbus to be used

2005

1) name the communication cable and how it is communicate in between plc to modbus , plc with hmi? 2)name of the communication cables?

1 4453

what is the per unit cost of generation of electricity at thermal,hydro,desael,solar,gas power plant

1 4489

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Un-Answered Questions { Electrical Engineering }

What do you mean by cogeneration? What its working principle?

3262

why we have and use 3 phase not 2 or 4 or other in power system?

2173

What happened when capacitor connect series in ac circuit?

1557

how is calculated the quantity of weight in hot test xlpe?

2561

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

2349

Currently what is the highest capacity (MVA) of SPPg generator available in the market?

1864

explain types of electric welding and its applications

1853

Factory acceptance test. FAT. For 132 kv transmisstion towers what is that meaning and what are the tests commonly companies perform now days.

1863

I need bhel electrical test pattern & paper

1905

What is the complete procedure of erection of electrical panel in industry

1927

from which formula we select a capacitor rating?

2192

What are factors to be considered while we selecting the Core Balance Current Transformer for Earth fault protection

1929

How to calculate cable rating for 3 phase supply?

2249

what is mean by descripiency relay? & wht is its ansi code?

3214

plz tell me,ht and lt panel terminals in substations explain beiefly

2982

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