Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why 6.6,11,22,33,66kv? what basis they have considered?

5 3933

HOW CIRCUIT BREAKER RATING CALCULATED?WHAT ARE THE PARAMETERS CONSIDERED?

5 11672

Wat is da difference b/w neutral earthing and unearthed system?

2 3007




what is the purpose of NGR?

Assam Electricals,

25 71853

what is residual current....

1 1737

what happen "when Dyn11 is parallel operation with Dyn1"?

9 10086

Grid fault level [KA]?

693

Earth Resistivity

2 3124




on what priciple transformer works on?

5 3145

how to calculate the capacity of the AC motor

TATA,

1 3153

RATING OF LIGHTENING ARRESTER FOR 11 KV LINE IS 9 KV BUT WE KNOW THAT LIGHTENING ARRESTER IS USED FOR OVER VOLTAGE PROTECTION SO WHY NOT THE RATING OF LIGHTENING ARRESTER BE MORE THAN 11KV ???????????????//

Hakel,

5 30723

what are the type of motors

3 2708

I have cleared IOCL written exam(Electrical). My intv is on 6/9/2008.can anyone guide me & tellme abt intv questions.

IOCL,

5 4433

how dc ct works?

3 3608

what is the difference between inverter and ups & what is the earth resistance for ups , if its high why so

3 3920


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Un-Answered Questions { Electrical Engineering }

What is power factor? How to improve Power factor? draw a circuit diagram showing the connection of power factor improvement equipment to the electrical instillation.

629


What will be the voltage impact on secondary side of two transformers with different vector groups when both voltages are compared.

511


Explain Active power,reactive power,how its related to each other , & inductive ,capacitive.

485


i completed my DEEE. and i want to electrical c license. how to get it..?

592


ANY ONE TELL ME ABOUT generator synchronization panel panel to synchronise 3 gen of 250kva both automatic and manual. 2 gen output vol 415 3ph, 1 gen output vol 400 3ph SEND THE DETAILS DIAGRAM ON THIS EMAIL ADDRESS ayazleo@hotmail.com as soon as possilble best ragrds electrical engineer ayaz mahmood SAUDI TECH

2575


any body,pls tell me how to done relay coordination ? how to coordinate by TCC curve?how to read the tcc curve?

635


what is the maintaining Cf in UPS.

558


What is the formula for calculating impedance of transformers connected parallel at fault level 50KA?

518


how we can calculate chiller required ampear?

538


from generating station If 400v LT line length is 1000m how much voltage is drop and how do i calculate it? which cable will be use for this line?

543


What is the formula for calculating the Instantaneous Short Circuit & overcurrent for any breaker

457


what is the differebt between ac and dc fuse?

640


In PFI plant one stage capacitor connection is directly connected(with out megnetic contact controll). but why?

834


number of I/O devices in siemense plc

448


what are the main faults that occur in stabilizers? How they corrected and resolved ? Types of stabilizers ?

535