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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 7216

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

 5 13411

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

 13 43743

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 11708

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 8497

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

 2 6934

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

 5 43602

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

 2500

river which doesnt form the delta at the mouth of the

 1 4645

why voltage rating not mention at HPSV or HPMV lamps?

 2 5847

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

 5 11864

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

3837

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

 3 8473

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

 1731

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 4958

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