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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is difference between Earthing, Ground and Neutral?

1 3333

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

9 8318

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

7 61229

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

10 31645

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 4871





how calculate the current faut level

2 3874

what is power

6 4545

How many types of lightings are there

2 2414

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 5816

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

1095

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

1286

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

2 9332

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

1 2004

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

13 42963

STATE WORKING OF VACCUM CIRCUIT BRAKER?

797

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Un-Answered Questions

what is castigliano theaorem

1107


How to create a button in selection screen ?

749


what is alternative item group

1278


How to use debug tools?

1476


14 year old woman requests the combined oral contraceptive pill for contraception. Please see her and discuss her management?

1107






any body,pls tell me how to done relay coordination ? how to coordinate by TCC curve?how to read the tcc curve?

1019


PLEASE ANYBODY HAVE ELECTRICAL CIRCUIT DIAGRAM FOR CHMER PULSE CD 60M SPARKING MACHINE.PLEASE MAIL ME SUPRIYAAYYAPPAN@YAHOO.CO.IN.

1310


what is the painting co efficient of slope roof tiles?

663


What is Defect Density ? What is the formula? Explain with example

32810


what is repartitioning and why we are doing it in sap bi/bw

1595


what is the classification of a lobster?

1033


Is DES available in software?

806


What are the causes of dirty lubricating oil?

839


Which dictionary view(s) would you first look at to understand or get a high-level idea of a given Advanced Replication environment?

783


Q1. Write a Defect report if 99 th row of the spread sheet crashes?

970






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