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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

we use 400/5A ct and 35/roor3KV,/0.1/root3KV,0.1/root3KV pt ratio. What is the multiple factor of this meter.

756

what factor is necessary during design of HT & LT MOTORS.

2 4135

Why transformer rating in kVA not in kW?

5 3832

if we going for high voltage usages what are the considering factors, why those factors are effected.... please give me an answer related motor factors like wnidnig, frame, temp etc

1 730

Find defination of KVA convert in to KW.

4 4857





how to calculate cable size in diffrent loads?

848

What is majour reason of Electrical Arcing ?

9 5232

how much current a 100 sq mm busbar will carry?

1 2840

what is the function of 1 phase preventer?

3 21174

What are the maximum and minimum ratings of MCB,MCCB,ACB,OCB,VCB and SF6 breakers?

2 24538

in transformers for ex. 100mva and 400kv the secondary current is about 420 amps but for selection of bushing the capacity of selected bushing is 2000A why there is such big difference ?

2 2537

what is creepage distance in sub-station?

3 6040

What is d role of reactive power in power system??How it produce & consume?

5 3691

Mechanism of Wye Delta Starter?

2 2671

can we use only a isolator in the subtation..

1 2332

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Un-Answered Questions

How can we design a HVAC Plant room which includes AHU,FCU,Chillers,Cooling towers, Pumps etc & how will they work? any Drawing if possible?

997


How would you include common or reuse to be processed along with your statements?

1130


iam mca post graduate in 2010 not getting job in JAVA so iam looking for carear in php as market demand is high so it is best option to try for php or not

715


What is Bomb Testing?

812


how the calculation of faut current level

1457






how will one calculate TDS when the bill is with service tax (SAY an AMC bill ) and what treatment will be there when it is a rent bill with service tax. is there any rules in income tax as to deduct double taxation?? pls help with rules sir

726


How to Reconciliation AP to CM ? How to Reconciliation AR to CM ?

527


In accounting equation what is the treatment of investment in shares??

139


The Design Calculation of Level Transmitter For Different Structure open & Closed Vessel, Eg. Diff. Level Tx., Capacitance For Continous Operation

1505


why is personnel management is considered as one important aspect of present day management? give 5 reasons or factors.

1647


What is CDB?

613


how to calculate the Neutral transformer impedance?

838


Why must we pay attention when we drain steam in steam turbine. What factors are observed?

680


what is the working principle of thrust pump in centrifugal chiller.

1509


Tell me about your last experience working with a dentist? How did you two get along?

317






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