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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Dear All, I am new in construction company , my boss ask a question at time of interview , If we have 60MW generation and Single Power Transformer step-up we have. if CMR 50/60MVA , ONAN, ONAF respectively , is it sufficient or not ? for that much power to transfer,

1604

thyristor controlled APFC panel design parameter?

1745

what is the difference between megger and earth resister ??

HMPL,

1783

why T/F winding temp measurement cts are odd secondary current ie,109A/1.2A/1.4A?

MSETCL Maharashtra State Electricity Transmission Co Ltd,

1827

Why is reating of t/f in kva but for inverter in kw ?

UPPCL,

3 4837

Dear all, I'm manikandan I have done by DIPLOMA EEE from 2011 , I have 5 years of experience from Power plant instrumentation field , which one field is give long life & which one field is best ,I confused a lot and also I'm studying AMIE, can I choose which department from Section B examination? pls tell me

1618

How to measure size of cable on a given load

Green India Engineering Solutions,

1788

How much load can take a 16 mm aluminum cable 3 phase

L&T, Sanga Energy,

1721

Why use in ht motore

ACB Group,

1650

how to calculate the size of the cable for a particular rating 3phase induction motor?

Godrej, Megatron Solutions,

1 2954

please give some hindalco placement papers for written exam

Hindalco,

1771

how to make a solar panel? why solar panel cell connected to serious?

1 2305

We have a distribution transformer of 750KVA/11kv/440v and an AVR (Servo Stabilizer) of 750KVA on the LT side of distribution transformer. Also we have an ACB of 1200A on the output of distribution transformer (that is on the input of AVR). We want to have an MCCB on the output of AVR. What should be the rating?

SSPL,

2046

Wind mill

Suzlon,

1838

can we replace Dyn11 transformer to Yy0 transformer and what is the difference between the two type

Arab Contractors,

1 2743

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Un-Answered Questions { Electrical Engineering }

what is difference between bus coupler and auto transfer switch

4105

What is super thermal power plant? and how it will differ from normal thermal power plant

2236

importance of reactive power management

1992

what happen if field of dc shunt motor opens? what is function of putting res. in parallel to one phase of 3 phase IM? the power supplied by 5A source in circuit is given by------Watt.

2006

in general it is observed in power stations, the tertiary winding is used in higher rating Y-Y auto transformer but not in Y-Y power transformer. is the tertiary winding is compulsory then why it is not using in power transformer

1765

What is bridge rectifier and explain with details

1885

what r the safety measures in UPS ? explain all?

2187

What is earth system using on the floater TN-S or TT. Iam not sure and what ICCP

1678

i need the curve duty cycle and amper for (150 kva @50% dyty cycle) transformer turn ratio :19 and vin 400

2080

why transformer ratings in kva? & DG ratings in kva? & Motor ratings in kw/HP?

1464

what happens when series resonance occurs?

1805

what is the relationship between phase & neutral

2544

what is the difference b/w absolute encoder and incremental encoder?

2034

placing earthing pit in pathway is correct or wrong??. placing earthing wireGI1/18 inside walls is correct or wrong?. explain!!!

2120

2. A current i=(10+10 sin t)amperes is passed through MI type ammeter. its reading will be.........

2285

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