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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

HOW MUCH KVA DG SET REQUIRED for charging 12v 4000 ah battery?

3 5550

What is corona ? Mention its positve effects .

1 3307

why is corona loss greater in a stranded conductor as compared to a solid conductor ?

2 4999

Why CT's shall not be kept open?

ABC, Qatar Gas, TIPL,

5 5299

Why CT secondary is grounded?

4 4707

What is the principle of residual protection?

1011

why auto transformer connected in star?

1 2705

what is the earth current,reverse power,electrical trip generator short circuit,low voltage, high voltage please discribe me

1161

why is one voltage transformers (instead of three ) installed at the entrence of the incoming line in a substation.

2 2301

what is the transformer rush current?

1043

why occ curve is not tracing back when we are bringing rheostat back in reverse direction?

929

if dc is better then ac...then why we are perfering ac over dc?eg:at home?

2 2808

what is rated speed?

Actavis,

4 3674

Why two main buses and one transfer bus scheme not using for 400kV switchyard

5 9547

what are the 4 rules to start the motor?

JK Associates,

1211


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Un-Answered Questions { Electrical Engineering }

What are the different losses In a de mac1une'! t.xplam

1727


What will be the effect of circulating current in HT xlpe cable when both the armour ends are grounded. Will the termination fils after some time in case of 33 kv supply.

1187


What is the difference between diode and a transistor in terms of the direction of current flow?

1223


What is the difference between PLC and Embeded system

527


How to know Resistance and Reactance value of main and aux winding of single phase capacitor start capacitor run induction motor to find capacitor value?

1021






I am going to appear RRB Sr. Section Engineer Exam, Electrical. Can you send me previous year questions of RRB Electrical engineer. specially Section Engineer questions. my email id is likerahulworld@gmail.com

936


Why the power generated in dams is complex power? Why the generators in dams cannot produce Real power directly (i.e power which has zero reactive part)?

876


Name the types of motors used in vacuum cleaners, phonographic appliances, vending machines,refrigerators, rolling mills, lathes, power factor improvement and cranes.

171


1. Design a counter which counts 0, 4, 8, 2, 6, and repeats using: 1.a using JK flip flops 1.b using T flip flops 1.c using D flip flops

969


What is depreciation factor?

1228


The 3 phase 400 hp 440 volt slip ring induction motor do not take one phase amps why ? The motor is running good condition

1020


WHY THE COLOR OF OUTDOOR TRANSFORMER IS BLUE ONLY???

1122


How can I calculate the Mega watts required to run a plant having many electric motors and other electrical components.

1126


What is the transfer function?

156


How can we calculate the KVA rating of a Distribution transformer from its core details?

1108