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Electrical Engineering Interview Questions

What Maximam Gap Taibaar & Bush

1341

What is the meaning of capacity of a 63 Amps TPN MCB? Is it the per phase capacity or the totol capacity?

10172

why Copper loss is represented as I square R ?

L&T,

8673

Difference between auxliary relay & pla relay

6261

what is the function of governor in dg set

13532

Give me the calculation steps to design an electromagnet to be work in 230V 50 Hz AC Supply. Also give force that is created by that electromagnet when it gets energized.

GE,

1394

how do using transformer 30 deg lag or 30 deg lead

2086

3 shows a 415 V, 3-phase generator supplying a 3-phase 415/110 V transformer. Draw the individual and combined impedance diagrams to a base of 10 kVA. Determine the system fault kVA and the fault currents at the 415 V and 110 V busbars for short circuit faults on the transformer input or output terminals. Work in p.u. values of impedances.

1696

hello everybody. what does an abnormal stator winding impedance or dc resistance show? thanx

1082

I have a drawing of a wound rotor induction motor for a crane. This crane motor has 5 forward speeds & 5 reverse speed implemented of course with different amount of resistance for each speed setting selected. What has got me scratching around is the fact that 8 of the 10 speed selections switch in uneven (unbalanced) amounts of resistances on each of the 3 connections to the motor's rotor.Can this be possible? I would have assumed this would produce unbalanced rotor currents and therefore vibration in the motor. I would greatly appreciate anyone's comments on this. Many thanks, Confused.

972

Is electro plating what type of load whether resistive, inductive or capacitive loads

2440

explain why reduced voltage starters are required for large tree phase inudction motor

2997

What is the kiosk parts, about them and their functions ? If anybody have some PDFs files or details about this plz send it on tawhidfaisal@Yahoo.com

945

What is big transformer parts and their function ? Ty

1105

why we use low kv lightining arrester in line for example 9 kv using in 11kv

2236

Un-Answered Questions { Electrical Engineering }

Where I can get the sample question for post of Junior engineer electrical-II For RRB Bhubaneswar.

1199

3 shows a 415 V, 3-phase generator supplying a 3-phase 415/110 V transformer. Draw the individual and combined impedance diagrams to a base of 10 kVA. Determine the system fault kVA and the fault currents at the 415 V and 110 V busbars for short circuit faults on the transformer input or output terminals. Work in p.u. values of impedances.

1696

What is resonant frequency?

208

hi....I am from india..i have completed my engineering in electrical and electronics field with 58.4% and my IELTS score is 5.5 bands....Recently i received my I-20 in computer and information science from Troy university in Alabama.On 18th i have a visa interview can u please tell me what type of questions i have to answer ??????

928

why only exciting current is shown not primary current in transformer???

961

Terminal blocks is used for segregate the connections... There is any principle for terminal block..?

1241

what is the difference between circular wdg & ractangular wdg?

1091

Write a note on materials used as a fuse element.

1274

What are the two major types of control system?

195

why we have to particulary use ACB for below ratings,even available of MCB,MCCB with that range ?

2059

What kind of Neutral CT can be placed in 11/0.433KV transformer to be used and what are its specification?

823

what is rating boiler

1106

what is the internal working of star delta starter

1210

tell me some type of questions throught which i can prepare for exam and do my best

1136

Define unilateral circuit?

190