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 17904

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 2730

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 6924

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

1 9338

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

Descon,

2258

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

1902

WHWT IS USE OF VACCUM CIRCUIT BREAKER

4 8470

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

10 28175

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

2 6135

what happen if generator exitation lost?

7 13023

what is the basic paramter to set a electric drive

Alpha,

1 3993

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

1888

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

1931

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 4282

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

1 4335

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Un-Answered Questions { Electrical Engineering }

1. What is maximum permissible distance between smoke detectors ? 2. How do we decide number of smoke detectors required in a large office, warehouse, hall etc ? 3. What should be maximum height of smoke detectors ? 4. Where do we use heat detector, optical smoke detector, temperature sensitive detector ?

2868

What is relation between transmission lines & Communication lines ?

2147

how to check regenerative load in drived motor

2182

How many sprinklers should be in one pipe line?

1917

All tape of electrical questions Answers tape of motor transformer e.o.t crane

2614

what happen if generator of micro hydro running at only a small percentage of its capacity, as a comparison, if the diesel generator that runs on only a fraction of its capacity there will be a wet stacking

1908

What is the different between conventional MCC and intelligent MCC? Common controller or controller for each bucket

1031

define digital electronic

1948

How to calculate Number of Earthing Pits....???

1551

What is magneto on a gas generator. how it functions. its out put is d.c or a.c. how it can be checked for correct functioning

1958

What is meant by cold loop test in instrument

2561

what is meant by re-rolling motor? how it differs from standard motor?

1976

State the factors, for the choice of electrical system for an aero turbine.

1132

Why are the laminations insulated from each other?

1123

what is RFID? thire application;

2002

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