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 many methods to take IR value of Current Transformer?

1 5933

why autotransformers are not safe for supplying low voltage from a high voltage source?

5 14232

Explain the experiment on ward leonard method of a speed control on a dc shunt motor with an suitable circuit diagram.

2596

what current is taken from a double wound 500kva transformer

4 7061

what is the tolerance for the magnetic balance test conducted on the distribution transformer?

3037

what is the differn bitween RCCB &MCB

3 8005

what is b checks and m checks in diesel generator maintenance?

1 3200

how caculate the pump head to maintain perticuler pressure of water and what would be the motor size in hp for the same?

1 4102

what should be the megger test report for 11KV cable when meggered with 5KV megger , what is the resistance value we should get

7 16980

how we can calculate power factor without knowing current in 230v 100w load ?

10 19692

WHAT IS RETARDATION TEST IN DC MACHINES?

4 24085

What is the List of Equipments, Instruments, Components required in Transmission of electricity from 1 substation to other substation(The equipments required in substation too)? What are the differnt IS standrds used for above equipments in Industry?

2 10852

What is the pratically meaning of neagative going ac current.

1 4114

Why a transformer is rated in kVA and not in kW??

9 15349

my self i am raghu working as tech.. in my college the maximum demand is 211 kva presently we are using 12kva capacitors the target power factor is .95 so what capacity of capacitor banks should i install

2 5223

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Un-Answered Questions { Electrical Engineering }

Zone of protection and tripping scheme of arc protection relay.

1877

Which type of transformer is used for lighting loads?

1138

What is the current carrying capacity of 35sq.mm flexible cable?

1465

1. What is differential relay? How it operates? 2.How to calculate the Short Circuit Impedance in Transformer? 3.What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works? 4. While testing the 33KV Busbar by using Hipot kit, what should be the test voltage we have to apply? 5. What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer? 6. Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example? 7. Why restricted earth fault protection is needed? Why can’t differential Protection is sufficient? 8. What should be the minimum and maximum ohmic value for earthing? 9. Why DC Currents are not used in transformer? 10. What is the Frequency while we step up the voltage from 220V to 11KV? Is it possible? Explain it?

2279

In Plumbing services What are accessories we consider for a bathroom?

2001

What is the comparison between 30mA DP RCCB and 100mA DP RCCB and can replace it against 63A MCB

1602

How is the percentage impedence of a transformer fixed at design stage???

1986

Don't you have similar question banks related to Oral Certification Examination conducted by Mercantile Marine Departments / Directorate of Shipping, Ministry of Shipping for Electro Technical Officer?

1680

i want wipro vlsi placement pattern please send me

1778

Grid fault level [KA]?

2615

describe the Tranformer testing procedure

1886

draw the block diagram of fire alarm?

5424

how the aircraft outer body and inner body is separated ?

1068

how to calculate the battery AH

2760

What is vacuum circuit breaker.define with cause and where be use it device?

1314

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