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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.)

1872

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..

2130

how to select the isolation tranformer for siemens 802dsl cnotroller

2019

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

1 11195

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

2 8071

is earthing is necessary if we use armoured cable

1 5706

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

2 6907

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

2049

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

1 3649

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

4 8528

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

1 8733

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...

1990

what is mean by dry frequency

2422

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

1954

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?

2102

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Siemens Electrical Engineering Interview Questions

Siemens Electrical Engineering Interview Questions (189)

Un-Answered Questions

Explain the types of object repository?

952

What is tri state of a signal?

1091

what is ods (operational data store)?

978

State some of the products of sybase?

862

Define what peculiar characteristic do the hippopotamus and tapir share?

929

Segregate database technology's development.

1505

1 *2 1*3 *2*4 1*3*5 *2*4*6

1745

What are the key elements in ZooKeeper Architecture?

What is tty in linux process?

982

Why is spring preferred over the other frameworks?

468

Can I meet major requirements with courses taken off campus?

IS THERE IS ANY EXUMTION FOR THE NEW CONCER TO NOT THE DEDUCT TDS IN THE 1st YEAR OF ITS INCORPORATION IF THE TURNVOER EXEED THE SPECIFIED LIMIT IN THE 1st YEAR.

2346

What is sort component in abinitio?

1186

hello plz give me one example of business process... ex.. what is the business process of a pharma company..

2105

Techniques for asynchronous server communication have been around for years. What makes ajax a "new" approach?

869