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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the Difference Between MCCB & ACB & VCB

4 5209

What is the Difference Between choke & ballast

3 18059

what is the formula for converting dc power(watt) to ac power (watt)?

3 6158

How voltage regulation is calculated for over head transmission line? What do we mean by Conductor constant while calculating voltage regulation? how it is differ for for diffrent type of conductor say AAAC DOG & AAAC RACOON conductor?

3 15889

Difference between shunt, PMG and AREP excitation. Which is the most reliable between PMG and AREP.

6429





What is the types of HT motor testing

2016

Explain the laying procedure and laying depth of submarine/subsea power cable for 220/400KV system? Also available cable diameter?

800

How to calulate cable size for 200KVA,160KVA& 40KVA load?

1 8592

why CT ratio stand for 50/5, 100/5, 25/5.

11 44012

why CT output is always raetd 5.regardsof primery curre.

2 3541

why we use carbon brush in exciter&genrator?

5 6276

how to calculate power consumption in slip ring motor at different step

795

IF avr is voltage regulator of genset means why we are giving genset CT sense to AVR ?

3 3248

How to covert the ac to dc and how to control the dc output?

3 3506

How to test the thyresitor or SCR by multmeter?

5 4978

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Un-Answered Questions

What is looping and how switching loops are avoided at L2 level?

715


Does outdoor isolator loose connection cause short circuit current in that circuit? if yes then how ??

301


differnce between the 4.7 & 6.0 versions?

784


how you configure motorvision relay (L&T make)from DCS

2524


the question from which area of physics in ONGC Written examination in physics can we expect more?

851






how many current required for hypo test

544


I WANT BHEL PREVIOUS QUESTION

987


Q1.Write a C program which asks the user for a number between 1 to 9 and shows the  number. If the user inputs a number out of the specified range, the program should  show an error and prompt the user for a valid input.

1354


What about your strength and weaknesses?

1021


What causes sap to leak out of pine and maple trees?

932


Where voltage are high and current to be interrupted is low the breaker preferred is:

717


why are using crm for sales order creation?

1273


Explain the term 'Gross unit rate' and identify the items that may be included in the gross unit rate.

7793


what is the procedure and explain about real time scenario.

545


I was working on calibrating turbidity transmitters endress+hauser at effluent polishing plant.We calibrated using NTU buffers.What happened is that when we immersed the sensor, everytime we raise and lower the sensor gradually, the reading will vary.my question is that is there any specifications on what is the required distance from the bottom of the container with buffer to the face of the sensor?Is it ok to install the sensor in a medium which has turbulence specially if bubbles are present?

874






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