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OPS Interview Questions
Questions Answers Views Company eMail

capacitor is load free component but why ampare meter shows the current when the capacitor bank breaker close?

4 5821

capacitor is load free component but why ampare meter shows current when capacitor bank breaker close?

5 11610

what is difference between AC VVVF drive & Dc VVVF drive explain their working principle?

13 38289

why in three phase 440 circuit in all phase current is almost equal L1-35 A,L2-34 A ,L3-31 A but in nutral when i check with clamp meter it shows 25 A?

4 9975

why for transformer protection we protect tranformer from 3rd hormonics and 5th hormonics and what is the reason of generating these horminics in electrical system?

2 7412





what is difference between start imitation and start interlock for 3 phase motor protection ?

2 6109

what is difference between differential protection and distance protection and how we calculate the sloop?

5 38796

how we can adjust for three phase motor cold stall time ,hot stall time and thermal register set up?

2118

river which doesnt form the delta at the mouth of the

1 3747

why voltage rating not mention at HPSV or HPMV lamps?

2 4979

can we use HPSV LAMP in HPMV LAMP fixture ?and viseversa.

5 10385

Why Transformer Neutral having one earth pit ( more earth electrode resistance) whereas body have many earth pit ( less earth electrode resistance)?

3481

How do u prepare Cost sheet? on what basis it is prepared how it is useful to the management?

3 7486

how we will prepare n file income tax returns for individuals?explain

1299

how to calculate restraing current and operating current for differential protection if 20 mva transformer is OLTC 33 kv/11 kv ? and what should be the type and ratio of CT?

2 4122

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Un-Answered Questions

Explain about the CPU used in Blackberry technology?

251


when i come in contact with any metal items or clothes of fur i find myself shock and when run my fingers on fur clothes or matters, i find sparks. Is there any vitiams deffecieny in my body. If so, what i have to do?

1414


What are the most important features of mvvm?

46


Explain the updatepanel control? : asp.net ajax

205


Find 0.799*0.254=

258






How do I merge two word documents and keep formatting?

120


what are the functions of the recruitment module?

242


Can single bit of a port be accessed in 8051?

283


What are layout pages in sharepoint?

180


What do you understand by anr dialogue box?

220


What are the various departments of RBI?

293


Why is c# better than java?

180


Why should you avoid adding duplicate keywords across ad groups?

1


What are the different types of selectors in jquery?

188


Differentiate between hardware and software interrupts and state examples for both?

238