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Siemens Electrical Engineering Interview Questions

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at meter room 50 hrc switch installed,but there are not get earthing proper,so what happen?and 11kv transformer out put going in to hrc main 400a three nog each? so earthing is require for all switch? (some customer made earthing at there home.)

1906

Hello Friends, How can we recognize the CT Star Point is S1 or S2 in case of Electro Mechanical Relays and what is meant by Restraining coil in relays and what is the purpose of that.. thank you in advance..

2161

how to select the isolation tranformer for siemens 802dsl cnotroller

2066

What is CRT (Contact Resistance Test) for Isolators or Dis- connector Switches? Why we performed it & whats the Testing procedure.

1 11267

What is Hi-Pot Test for Grid Station HV Equipments?

2 8188

is earthing is necessary if we use armoured cable

1 5785

How we can make sure cable size of LT cable without any parameter.

2 7001

Whether IP65 enclosure box blocks ventilation if driver for LED have to enclosed inside IP65 box

2086

If we increases the %impedance of Transformer then price of Transformer will increases or decreases.

1 3720

How to work star delts method in the case of single phase motor?

4 8659

How to do the REF Stability test for power transformers in Site?

1 8814

In synchronous motor, how the field current is related to armature current..i know its inversely proportional..but concept wise...i was nt clear....pls help me...

2039

what is mean by dry frequency

2458

how is the testing of an REF relay? what are the test REF circuit having?

2002

We have drive feeding an output contactor for a 5000 hp motor @ 5kV application. The motor FLA is 629amps x 1.25% service factor = 786.25 amps The cable that we current have in place between the drive and the output contactor is 350kcmil- MV-105 (parallel cables). Per the NEC table 310.60 (C) (69). This show the cable ampacity is at 615 amps per cable for a rating of 1230 amps. We have derated the cable for the cable tray and the multiple cables application and our calculations show that after the correction factor factor we are at 922amps. 1230 amps x .75% correction factor factor = 922.5 amps. The customer is driving us to then use another safety factor of .25% off of the already derated cable. Can you please provide a longhand calculation for your solution on this application?

2150

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Siemens Electrical Engineering Interview Questions

Siemens Electrical Engineering Interview Questions (189)

Un-Answered Questions

Which features or drawbacks of QTP lead to the upgrade for a newer version?

1027

Why your CGPA is so low?

1151

Hi to all Q: how you will evaluate yourself in excel if any the range one is worst and five is excellent. Mail if you know the answer to imaanbalu@gmail.com

2299

What is path variable in unix?

1000

What is margin stacking?

650

How does privacy protection vary between industries using AI?

How to find index size for each index on table?

1003

What are the Types of relationship in Salesforce

505

Suppose a job should be executed for every two hours? Write test case for this?

1187

Differentiate between a constructor and a method? Can we mark constructors final?

1194

What role does encryption play in blockchain?

For the construction project what capital cost has to be taken in consideration?

1146

Explain sim and rim instructions?

1140

HOW TO SOLVE A NUMERICAL OF LRU IN OS ??????

2696

With the use of an alternate index, how is a VSAM file accessed?

1096