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 8794

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 6882

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

TATA,

4 17196

Why CT secondary should not be kept open?

Anna University,

7 89439

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

TCE,

3 19468

What is the technical name of Transformer Oil ?

Bhel, Don Bosco, Lanco,

17 39685

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

5 20333

why power factor occur only inductive load not in resistive ?

8 14706

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

Asset Developments, Bhel,

2 15153

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

3 6992

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

1 4847

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,

2592

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 5549

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

2857

what are the protection for DG set and why?

2 8088

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Un-Answered Questions { Electrical Engineering }

how many Classification of fire extinguisher

2159

Dear friends, i would like to know that what is the exact function of 'exciter winding' & 'aux winding' in Alternator?

2061

If Dg set load increase 25%, How much increase fuel Consumption (15 kva 2 cylinder DG set)

2320

ii) A shunt motor supplied at 230V, runs at 900 rpm when the current is 30A. The resistance of the armature is 0.4 ohms. Calculate the resistance required in series with the armature to reduce the speed to 600 rpm, assuming that the armature current is then 20A. [12]

2430

there are cam operated switches - why we call cam operated , What is cam ?

1966

Define super node?

1256

What are the Formula of computing Back up Time of 500kVA UPS with 4 Battery Banks, each bank composed of 43 pcs of Batteries 12V150Ah. How to compute the Back up Time of UPS? We have also 3X500kVA UPS running in Parallel same composition as I write above.

1394

how to handle 2500 kva transformar

1676

HOW TO CALCULATE THE REGULATION OF 100 AND 25 KVA TRANSFORMER

2070

what are inductive and capacitive voltage transformers.what are their applications

2006

Any one can explaination about calibration with rotating sub standards?

2116

Wt is the function of reactive power? How it generates & consume though resultant is zero?

1935

how are reversing the direction of dc motor

1700

What must be the minimum distance maintained between 2 Generators as per International standards?

2201

what is submersible pump?what is different between motor and sub motor?

2120

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