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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Why is the earth socket in an electrical plug outlet made thicker and lenghty?

5 8581

1.WHAT ARE TRANSMISSION LINE LOSSES DURING WINTER AND SUMMER SEASON? 2.WHAT ARE THE CAUSES/ 3.WHEN THE CORONA IS MORE?.,WHETHER WINTER OR SUMMER? 4. WHAT IS THE PERCENTAGE OF LOSSES IN TRANSMISSION LINE?

Coastal Energen,

1 6779

In 3 phase induction motor 1hp current rating is 1.5 amps constant ? is correct or not ?

TATA,

4 17018

Why CT secondary should not be kept open?

Anna University,

7 89180

What types of testing in 11Kv Ht switchgeat during testing?

TCE,

3 19349

What is the technical name of Transformer Oil ?

Bhel, Don Bosco, Lanco,

17 39132

what type of loads are inductive load & resistive load ?how they different between each other ?

5 20097

why power factor occur only inductive load not in resistive ?

8 14469

how to calculate the cable size for LT and HT power cables with detail explanation?

Asset Developments, Bhel,

2 15061

how to arrange the generator protection ansi 48 (loss of phase?)

3 6869

What is rated value? is it phase values or line values?

1 4770

Is it good to short Neutral and Ground in the PLC or DCS main Power supply. Pls give YES or NO with reasons...? Simarpreet

Bindal Papers,

2541

i have a Connected Load of 280KW and Maximum Demand of 224KW to one of SMDB under design with me. which criteria should i consider to design panel and main cables connected Load or Maximum Demand 1)Breaker rating 2)Panel Busbar rating 2)Incommer cable sizing (ignore Voltage drop)

1 5477

why we not used 11kva as a direct our electrnics component.

2815

what are the protection for DG set and why?

2 8009

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Un-Answered Questions { Electrical Engineering }

Define cuttoff frequency?

1066

Why current shoots up in the secondary on the knee point voltage during saturation test of CT? How core saturation effects the secondary current (while the primary side is open)? What the logic behind this?

2036

How many wall/floor flange will i use in bus duct system if we have in our design a 35th floor building.

1497

What are root loci?

1100

why would amp draw on neutral wire be as much as amp draw on the hot leg.

2093

Why synchronous motor is used in power factor improvement,dc series in lift

1663

What are the advantages and disadvantages of closed-loop control system?

1188

Please explain the following and how these are working with PLC unit 1.I/O Module 2.I/O Device 3.Adaptor Card 4.Ribbon Adaptor 5.RS 485-FC

1602

Is there any abbrevation for STUB in Stub bus protection

1939

what heppend if we are connected u1-v1-w1 as a star point in the place of u2-v2-w2 in power genration

2232

What are your personal skills and abilities for such a Master Course and your possible preparation to undertake this course?

2045

how we will deside the high voltage value

1987

How to test IR testing & magnetic balance test

1997

How many types of protection relays are there based on the characteristic?

1088

What is the principle of HIGH SPEED DIRECT DRIVE MOTOR ?

2014

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