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Electrical Engineering Interview Questions

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

536

write down the formula of cable size in RM if current is 50Amp.

551

What are the Formula of computing Back up Time of 500kVA UPS with 4 Battery Banks, each bank composed of 43 pcs of Batteries 12V150Ah. How to compute the Back up Time of UPS? We have also 3X500kVA UPS running in Parallel same composition as I write above.

515

my question is how to answer the question "you are from b.tech eee background and why do you want to go for banking

502

what is feeder bay?

622

What is difference between insulating medium and fault current interruption medium in a switching device.

664

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

Viva,

546

what is the size of ht cable of 33kv ht line and transformers ratings are 1 Mva and 5mva.please send formula also.

552

11 kv input, 66 kv input advantages

476

What is CCM in Electrical ? where can we use this material?

502

for what purpose the star point is done in ct

571

can we install LT panel & HT panel in one room?

831

can we install HT panel & LT panel side by side or how much clearance is required ?

610

what is resver in electrical enginnering with answer

696

surge tank, hrc fuse, earthing transformer, firm power objective type

634

Un-Answered Questions { Electrical Engineering }

what is the ms flat constant for calculating earth mat design calculation?

1581

Iwould like to know barc interview questions

2191

1054

why T/F winding temp measurement cts are odd secondary current ie,109A/1.2A/1.4A?

921

what are the accessories need to be added while doing estimation for the following: 1.MCCB 2.MCB 3.ACB

1086

working principles of cf lamp,incandescentlamp and f lamp?

1401

how generator load test is conducted?what are the steps?

741

How to know th details about an electrical Drawing ? Please mention the easy method.

1589

In HI POT test what is reason for applying the AC VOLTS and DC VOLTS in different applications what is the nessesity for this ?

1067

i want use the cable size 16cx4 core aluminium usege watts 240x2000w this cable size is correct?

1316

How to determine the breaking capacity such as break down current and break down voltage for VCB and CT's.

1324

What is the formula to calculate distribution transformer De-rating on iron losses basis

1005

Can XLPE/SWB/PVC (P3) 7C X 2.5mm2 be replaced by Can XLPE/SWB/PVC (P2) 7C X 2.5mm2??? P3 vs P2

786

How can calculate the rating of a servo stabilizer for given a specific load

2635

What are the two segments of nyquist contour.

238