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Alstom Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is droop?

13 73933

Why DC excitation is used for alternators? Why cant it be AC?

34 61589

how does electrical train works and what type of motors are used to drive the train? which level of supply voltage is used?

22 54442

what is the function and use of oil filled cables specify its advantages and disadvantages

7 22637

what type of cables exsisting in the world and how many types

9 9494





Define the overload capacity of the motor.

3 6709

What the capacitor Current formula?, For 1 KVAr how amps its required? for using the KVAr for boosting the PF Design Calculation.( Eg: for 30 KVAr required how many KW?)

17 212375

AVR is used for the Voltage regulation of the Generator using the feedback signal by exciting the field winding of the generator.But how the field winding will be excited & using what?

2 4006

I HAVE A 1 MVA TRANSFORMER, I WANT TO KNOW THE FAULT LEVEL OF THE SYSTEM ( WHAT IS FAULT LEVEL PLEASE EXPLAIN WITH EXAMPLE)

5 20144

In hydro plant,generally we install vertical hydro generators..why dont we recommend horizontal one??

1 3251

My switchgear busbar is rated at 2000A and just imagine the actual load on busbar is 1000A. From that busbar there are 10 outgoing feeders. Now the question is will the load be 1000A on each outgoing feeder or 100A per outgoing feeder. 2nd thing how do i calculate the load on individual feeder. Thanks for your time. Please provide some clarification on this issue.

1 3908

why phase always came one direction in 5pin socket(right hand or left hand) which direction and why..........?

4 10850

which is the best, A/C DRIVES or D/C DRIVES for cranes,...... ...and why......?

2 3762

What is the full form of CNC in electrical mechines.......?

1 6673

what is the RMU and RMU system in sub-station(11kv,66kv.....)

2 6557

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Un-Answered Questions

How much dojo do I need to know in order to use the arcgis api for javascript?

1


Regarding Hyperlinking in Business Objects. We have a few reports in QA environment where a number of hyperlinks are employed using OpenDoc function.In some of the reports,hyperlink is used to move to another tab within the same report.The formula used include "DocID" and ReportName="tab name".This works fine but now,for the PROD move,this will not work as the Doc Ids are subject to change. Is there a way to overcome this?Without DocID,how will move to a particular tab? Thanks in advance

3966


what is command line compiler.what are the steps and how it is related to debugging.

1145


Is php 5 still supported?

241


What is the formula to determine the speed of induction motor?

1121






Give truth table for a half adder, give a gate level implementation of the same?

273


What should be the best strategies to work on automation according to you?

14


How xhtml is better than html?

176


What is mvc and its advantages?

1


What is dtsi? Why it is used in motor bikes?

309


Design a cantilever type retaining wall to retain sand for 4m above the ground. The sand fall slopes at the rate of 1 vertical to 2 horizontal. The weight of sand is 18000 N/m3, the angle of repose being 30. The safe bearing capacity of the soil is 200 kn/m2 at 1/25m below the ground level. Use m 15 concrete mix.

2002


What is the file extension for c#?

228


what is the purpose of slide views?

54


Can 8259 be interfaced with 8085 via the trap pin?

276


How many types of errors are there in c language? Explain

265