Electrical Engineering Interview Questions

what is arc flash and what are the hazards involved

1725

wHAT IS CAPACITANCE LATCHING? hOW TO CALCULATE CAPACITANCE LATCHING? hOW TO SOLVE THE PROBLEM IF CAPACITANCE LATCHING APPLIED?

1578

How to calculate no of EARTH PIT? Describe the formula as per IS standard?

1616

UG cable sizes were specified in sqmm. But practically its not coming to mesure. What's the reason for that? And how they specify the size of the cable?

1520

one KVAR takes how much amps, and how to add power capacitors to electrical panels, for example if one of the MCC drawn 800amps means how much KVAR required

4652

WHAT IS THE TOTAL POWER GENERATION IN CHHATTISGARH?

1522

What is the difference between lubricating oil and insulating Oil?

11793

How we calculate the current carrying capacity of H.T. cabel?

Bhel,

1786

In Power cable specification what is U0/U and Um.

3276

For what purpose and why ACBs are used

4942

3-PHASE 15KVA dg IS EQUIVALENT TO 12 KW,hOW?

TATA,

6659

why can't we increase the voltage by increasing the field voltage in order to get higher voltage.so that we can eliminate step up transformer

Bhel,

6043

How to calculate no of EARTH PIT? Describe the formula as per IS standard?

3233

Im designing APFCR Panel for 600 KVAR.I need to calculate the full current so that i can choose the capacity of isolator/Breaker.Kindly suggest with formula.

3309

what is deffrence between squirral cage and wound rotor in IM?

ME,

1579

Un-Answered Questions { Electrical Engineering }

at which voltage level arcing ground is occurs ??????????

1631

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

1876

Why is back emf used for a DC motor? Highlight its significance.

747

we are small scale industry in production of rice & rice bran. Pls let me know how to take contract demand for our industry.. (for information we have total 600.hp)

3553

What do you mean by the zone of protection?

672

how can we phase identification in a distribution line,how we recognise that which phase is coming for a house hold connection.help me............

1634

List of equipments required foe industrial repair lab.

1549

after how many spot we must chang secondry cable in portable spot welding gun?

1509

sir, 3phase induction motor takes different pf and different KW in three phase while running,explain reason

1078

what is plunger and what's the use of it in motor alignment?

2056

how point on wave controller works.

2127

On what basis the the size of Lightning arrester for buildings are selected ?

1160

Define cuttoff frequency?

709

What do you mean by turns ratio of instrument transformer?

667

What is the criteria that generally follow by distribution licenses to fix contact demand of their industrial customers?

1175