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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is difference between Earthing, Ground and Neutral?

1 3255

motor and transformer working with same principle so why motor rotor was roted and transformer not roted

9 8155

Why should we use the igniter in the sodium vapour lamp.

7 60524

why we r used APFC Panel in industrial area.when P.F. low then wat will be the effect in our system?

10 31187

why we are used D.c. voltage in L.T.side or controling side.we can use UPS also ,in place d.c. voltage

5 4759





how calculate the current faut level

2 3767

what is power

6 4416

How many types of lightings are there

2 2324

sir, my question is that if we start any three phase induction motor with star connection.will be current taken ? please send a formula.

4 5659

why 1.7Uo for HV cable Hi pot test?IE standard why?

1049

IF % IMPEDANCE OF A TRANSFORMER IS INCREASED FROM 5.8% TO 8% HOW MUCH THE EFFICIENCY OF THE TRANSFORMER WILL COME DOWN?

1233

How much ampere rating on LT side of distribution transformer and also on HT side of 200KVA transformer

2 9173

How to solve the problem of low voltage at consumer end in distribution system if one phase come low voltage of transformer

1 1946

What is the difference when selecting a cable between AC and DC current?

13 42437

STATE WORKING OF VACCUM CIRCUIT BRAKER?

746

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Un-Answered Questions

what is KSR type transmission tower? What is LSR type transmission tower?

2398


How often do you read the paper or watch the news on TV? How important is it for you to keep up with current events?

1844


why ht motors are star connected?

674


What effect does a very low impedance have on the Voltage regulation? On the short-circuit current?

4597


can any body help me with a copy of (any month/year) bank reconsilation statement,udai_skumar@yahoo.com

778






what is features of a typ-ical modern air-conditioning installation?

738


did you maintain the hadoop cluster in-house or used hadoop in the cloud?

215


I have a Control VAlve having size of 2 ".Only the known parameter is Pressure drop . Its 2 Kg. Then How to calculate control valve sizing means Cv.

1076


What are the different Types of Polling in RLC A.M Mode

3346


How to write test case for this scenario. The system shall allow for a wild card search for the last name with a minimum of one character

704


why cable i burning without tripping. how can protect led street lights

319


what is the differences between microprocessor and general purpose computer

873


explain the trasistor sizing procedure for a four inputNOR and four input NAND Gate?

1438


if there is nutral in phase why we use earthing wire and grounding? even at fault condition the fault current flows to neutral (it is a lower path)

608


Describe Telomerase Activity ?

658






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