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Siemens Interview Questions

Questions Answers Views Company eMail

What are the types of earthing? Explain dagramatically.

3 7665

We use ungrounded DC system (220V/110V) for control and protection system in substations etc. Suppose we have long 2 core DC cables running from our DCDB in control room to the load (length of around 2 to 3 km). Do we need to protect these long DC cables from earth leakages or not? If yes how?

5 11805

WHAT IS DIFFERENCE BETWEEN MANUAL CONTROL AND MAGNETIC CONTROL AND STATE ITS ADVANTAGE /DISADVANTAGE

2090

why we not using 230kv directly why we are stepping down and then stepping up

2 5246

earth-fault relay is? a)directional relay b)non-directional relay c)protective relay d)admitence relay

2 6588

What is the difference between MCCB and MCB ?

4 10085

why anti pumping relay is not given to tripping coil of the breaker? why only to closing coil?

2 6136

What is triple entry system.

8 24506

What is the basic principle of vibration measurement by BENTLY NEVADA vibration measurement system? and Why it gives the -ve voltage output?

14 135070

why rating of alternator in kva & induction motor in kw

9 19646

I have an existing old MCCB. ABB Model SACE, the rating are: Ue = 660 volts, Iu =1250 Amps, 3 poles, Ith (max) =800 amps at 45 deg C. I need a circuit breaker for my 3 phase motors, 380 volts 60 hz. the supplier required the minimum ampacity of the breaker to be 911 amps. can i use this breaker with rating of Iu =1250 amps but Ith = 800amps maximum?

2317

please explain briefly about account receivables and payables

2 9041

what are the precuation should be taken ahen installing power transformer,circuit breaker,current & potential transformer

2110

in a dc motor we supply current only to the armature conductors,from where is the field winding gets excited then??

3 6112

i want the csharp questions&answeres

1969

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Un-Answered Questions

What are selectors in angular?

787

How can I reset my drupal admin password?

111

Explain transformation and action in RDD in Apache Spark?

297

how much lighting lux need for a common walking area at night time

2274

In what way is forward lookup zone different from the reverse lookup zone in dns ?

837

Define a page in idms?

833

how you will check dr media?

968

What is Request Management service?

824

what is your biggest achievement?

1115

Explain the inheritance?

980

Explain about the boot process?

885

In What case you are not going to use XML?

957

Explain how can you save or place your msg in a table?

1028

What is chart in ms excel?

631

Can you explain the historical context of Generative AI and how it has evolved?