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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What are the components connected in between the power supply coming from an electric pole to HT & LT Panels in a large commercial building or how the power supply connected from Electric pole to Transformer & then to the HT & LT panels of a building? Please send me answers via mail, my id is yogiagarwal@gmail.com. If possible, please give a line diagram.

Ranbaxy,

2031

plese send me the oces/dgfs sylabus and previous year question pattern of electrical engg.?

2273

Advantages of low voltage drive (control panel)

ABB,

1 4718

is the surge effect the solar panel, if yes so tell me how can surge effect the panel? explain brifly

1 3904

how many voltage or current enough to kill a person?

12 28105

how to calculate the settings for shaft ct protn in hydro generators

1936

why transformer rating is given in kva?

2 5184

what would happen if reactive power (kvar)is increased (more)or decreased (less)? how much exact reactive power should be maintained? and what should be done for that

ABB, Siemens,

2234

how to calculate the cable size in sqmm if load (kw) is given?

5 11105

If there is 25 hp motor,which type of starters we can us? why?

7 27662

is 60hz freq better than 50 hz?&why?

1 4458

Diode is active or passive element?

Infosys,

14 22402

What is I to C?

PowerTech,

2105

how can we find a burden of potential transformer? what does it effects? how can we calculate rated load of it?

Areva, KPTCL,

4 34457

What are test values for an 63 KVA and 100 Kva Distribution Transformers for the following typical tests 1)Magnetic balance 2)Short circuit test 3)Open Circuit test 4)Vector group confirmation test .please give me the standard values for all the above tests.

2666


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

What is the important precuations need tocarried out while working with Electrolite in Battery PM?

1861


Why lose 1 phase voltage in 33kv to 415v stepdown transformer

1705


Could u pls tell me the NPCIL electrical engineering interview questions for Executive trainee, and also guide me how to face the interview.

4440


why the active power flow of some line is increased when the active power of out is cut ?

2001


what is KA rating and how can we choose switchgears on applications

1404


how to calculate transformer load?

2430


WHAT IS MEANT BY DERATING OF THYRISTOR?

2918


why in an industry; machine having rated 200 h.p stopped after power factor is maintained above 0.97 lag by control panel in view-of energy saving

2121


What is effect on in zone and out zone fault if CT chosen for phase side is Vk/2<5mA and Neutral side is Vk/2<15mA on REF protection of Transformer

2331


what should be the ideal gauge of wire (In sq mm) for different loads in Ampere?

1396


Purpose of providing neutral isolation panel for parallel operation of diesel generator

1735


What are the components connected in between the power supply coming from an electric pole to HT & LT Panels in a large commercial building or how the power supply connected from Electric pole to Transformer & then to the HT & LT panels of a building? Please send me answers via mail, my id is yogiagarwal@gmail.com. If possible, please give a line diagram.

2031


EXPLAIN WHY THE SURGE CURRENT RATING OF AN MCCB OR CIRCUIT BREAKER DECREASES WITH INCREASE IN THE RATING OF MCCB OR CIRCUIT BREAKER.

1981


How to select a contactor? How many types of contactors are available

3225


What is Primary And Secondary Injection Test of Relay and Other Electrical Devices. How IT is carried out.

3452