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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.)

1855

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..

2116

how to select the isolation tranformer for siemens 802dsl cnotroller

2001

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

1 11180

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

2 8035

is earthing is necessary if we use armoured cable

1 5682

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

2 6875

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

2037

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

1 3629

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

4 8484

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

1 8705

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...

1978

what is mean by dry frequency

2404

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

1939

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?

2095

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Siemens Electrical Engineering Interview Questions

Siemens Electrical Engineering Interview Questions (189)

Un-Answered Questions

List the special characteristics of constructor.

1132

How to refer bean method in jsf (javaserver faces)?

What is linq in c# with example?

Hi do any one has dumps for ISTQB or ISEB exams for august or september exam 2013. Pleae mail qazwsx2631981@yahoo.co.in

2224

What is the use of ‘git log’?

Explain what is bts? What are its different configurations and what is the power consumption/peak current for each of these types of bts?

963

What are the essential features of the unix operating system?

879

Can you explain v model in manual testing?

1125

Is natural join same as inner join?

872

How many types of stored procedures are there in sql server?

958

Is a 1tb hard drive good?

879

How can we copy attributes(selected only) from Campiagn to Marketing.

2485

What is definition list?

886

What are intelligent agents and how are they used in ai?

833

How to verifying the service contract entitlement in other modules?

1498