Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Brushless excitation of synchronous generators and motors

AMIE,

2 3434

describe the Operation of induction generators from bus bars

AMIE,

1775

why 1.7Uo for HV cable Hi pot test?IE standard why?

ABB,

1846

why single phase to grd test in HV cable?why not 2 phase at a time?

1788

why impedance test in power cables?

CSE,

1 3106

why PD testing for power cables

Bhushan Power Steel, CSE, Datre Corporation,

1 2704

use of automatic voltage regulator & input voltage of it?

1 2978

Can we use HRC fuse inplace of semi conductor fuse ? What are difference between them?

3 27544

What is the difference between ELCB and RCD

7 17923

Why is the electric shock from the DC supply is more dangerous than the shock from AC supply.

IBM,

8 9678

When a 25kV line touches the train, will passenger get shock?

3 5817

why the starting voltage drop in a cable needs to be limited?what is percentage of the voltage drop allowed during starting?

1345

Is it any dc fuses availbale in market? can we use one fuse for both AC & DC ?

6 5449

what should be the no load current of an induction motor

2 4765

What is the major difference between P.T. & C.V.T ? Why CVT is used in HT Transmission line in place of P.T.?

APGenco, OPTCL,

13 109802


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Un-Answered Questions { Electrical Engineering }

How can I calculate ISF of current transformer?

2994


What will happen if the armature resistance is in minimum position and the field resistance is in maximum position while starting the motor

940


WHY NUTRAL GROUND SYSTEM USED IN 33KV SYSTEM

1778


Metal covered multiconductor cables shall employ a marker tape located within the cable running for its complete length in lieu of cable surface marking. Is it true or false?

1715


What is the function of RCBO? What are the different sensitivity ratings & each application?

2113






How many lightning arrestors to be installed on 50MX60MX10M building and is there any formular for that?

1454


which network topology offers the greatest level of tolerance?

1559


how to check three phase motor torque value?

1717


how to calculate micom relay earth falt time and current sertting

1799


10 Mtr Hight of Lighting Arrestar how much area coverd??

1992


Pleae send me last 5 years of Question book about RRB chennai.

1779


In a single how much maximum current and watts using

1614


12.5 tons a/c is their how much kva generator can recommend to the customer.

1454


Why frequency changes due to load variation in power system ? i.e why when load increases frequency decreases?

1469


how to copy from plc ge fanuc versamax series,all input and output, adress, and printout.

2013