Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Engineering Interview Questions

Questions Answers Views Company eMail

How can we calculate the KVA rating of a Distribution transformer from its core details?

2088

How to calculate no of Lighning arrestors are required for protecting 50mX 50m*20m cubical building and locations of LA?

HAL,

1845

What is the min.& max distance between two earth spikes is required for measuring earth resistance of an earth pit? Is the manufacturer of Earth tester decides this? Pls explain.

ABB, HAL,

3 9555

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?

Siemens,

5 11832

What Are Choosed Seminar's Best Topic..? What Are Dezined Software...?

2052

explain in detail HV & LV bushing connection in power transformer (110 / 11 kv 16 MVA)

TNEB Tamil Nadu Electricity Board, wbsedcl,

6 20075

How can I model an open-delta ground transformer for a network supplied by 4 unit GTG and power transformer in ETAP?

13775

When should I use earth leakage circuit breaker for incomer and when should I use it for each feeder seperately?

1 3745

How can I communicate with an Areva MiCOM P121 relay by RS485 port? In other word, which command can I send and what information can I have recieved? please send some refrences, please. thanks

3 10510

Off Load Tap changer generator Step-up Transformer, My question is, is safe to operate the tap say I want to change the tap position from 3 to 4, there is not load on the transformer but a 22000v 0r 1100 v is present on the secondary side from the common Bus *22000V/415 v

1 5674

I DO HAVE APAST EXPERIENCE IN MY(SCHOOL/COLLEGE)WHERE I'VE HANDLED RESPONSIBILITY LIKE

Oracle,

2001

the distance from my office to d.g is aprox 400mtrs and voltage drops ibn my office near about 40 volt what should i do p[ls suggest.

6 7208

Do u know epicyclic gear box?What are the pratical application of epicyclic gear box?

6 9547

wat sud b the futher course after b.tech in this field........

1 3754

1.what is the funtion of chiller primary & scondary pumps. 2.what is the use of distribution lines & Types. 3.what is the use the thermal power stations & how much capacity.

Wipro,

1999

Un-Answered Questions { Engineering }

what is the difference between electrical and electronic choke.. and whats the main advantage of elecronic choke?

5894

What is the difference between routing maintenance and major maintenance in school facilities?

1134

Can Any body tell me about the Contact or Email id of any good Consultancy which help me to find a job in Instrumentation Field in India .I have Six years of Work Experience in the Same field.Please revert me back on shammi_gwalior@yahoo.com ?

1850

Main advantage of auto transformer over two windings transformer is that A it needs no cooling B it uses only one winding C core losses are reduced D it has simple construction

2969

What are different promotion techniques involved in marketing.

Difference in NS and TIA type HRC fuses

4460

Hi i am aneesh, done btech in applied electronics & instrumentatiin. And then i took mba in finance & marketing.After that i got placement in finance co and worked there for 3.5 yrs.Now i wanted to come back to engineering job.But without engg experience, i may not able to find an opening.i have done a course related to flow meters and ite calibrations. Kindly suggest where should i try to get a job?

2020

How many points does a Circuit can have?

1985

What are the main advantages of bode plot?

1266

what should I refer for examination of BSNL-TTA. Please suggest me good reference...so that I can clear this exam.

1986

why wire sizes are 3/29 or 7/29 and why not wire sizes are 2/29 or 6/29?

5163

how to do dynolab wind speed sensor loop test, how to simulate value,i have simulate mA 4-20mA but not responding in DCS faceplate, please kindly advice me any one.

1058

What do you mean by a voltage transformer?

1177

If we use 250A MCCB as a incomer in Control panel for a fault level of 50kA for one second ,assuming temperature rise from 85 Deg. to 100 Deg , Then what will be the Aluminium Bus-bar size for 250A MCCB? Explain in detail.

2354

What is water softening?

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