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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

What is the equipment used to control the generator output?

4 6395

What are the factors to be considered during the Synchronization?

3 6285

What should be value of Circuit breaker operating time and tripping time?

3 6679

Why the CT Secondary is rated as 5A generally?

2 6933

At which time Synchronous generator act as a Synchronous Condenser?

4 9181

What is the purpose of taking Capacitance and Tan Delta Test in Transformer bushing?

1 11567

What are the protections to be used for Generator?

5 8656

. Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0

1 3875

What happens when the polarity changes in CT? Explain briefly?

4 7900

Explain the Term in CT Name Plate – Class: 5P10

Jindal, SRES,

6 29355

why the transformer is not operates on two phase?

APGenco, Atkins, FFBL,

1 3661

What is the difference between Class PX & Class X CT's

ABB,

2 22529

What is the purpose of lighting Transformer used in Industries for Lighting illumination? Its necessary or not?

2 26727

Why Motors are generally supplied with 3 core cables??? why not 4C??

5 15689

What size cable (based on voltage drop) is required to supply a 40 A three phase boiler if the wiring system is 75V single insulated cables installed in non-metallic rigid conduit 56m from the main switchboard? Voltage drop in the consumer's mains is 8V.

1935

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Un-Answered Questions { Electrical Engineering }

how to maintain frenquncy with syncronising sub-station for distribution

2087

Q.1:What protection will be used on HT and LT side of 33/0.4 KV, MVA transformer. Indicate capacities of protective device to be used. Q.2:Which types of back-up protections are used in the power transformers? What do you understand by the term over travel in the relay? Q.3:How star and delta connected winding transformer are provided from earth fault

2084

what is the concept of directional power?

1972

What does the term power factor shows?

1064

he compression ratio for a petrol engine generally lies between

1234

What is the implications when 600 hp motor is started when the unit is running with Transformer of capacity 1500 KVA and DG set of 1000kva

2174

what is the meaning of osr in transformer.

2074

what are the stresses in circuit breakers ?

1983

how to size H.T & L.T Panel ?

2093

I WANT TO know WHICH WAY IS BETTER FOR CONNECTION BETWEEN POWER TRANSFORMER AND MAIN DISTRIBUTION PANEL. 1-IS BETTER WE USE CABLE? 2-IS BETTER WE USE BUS DUCT? my transformer rate power is 2500KVA

3190

how to operate and maintenance of 1500 kva diesel generator set

1769

how to select electronic timer(Star-Delta) setting for diff. rating motors

1922

why power factor is important?

10174

when we decide to use soft starter drive or vfd drive in mcc to operate apump?

1944

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

1902

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