What is the crontab?

635

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I have 4 DG set with 1500KVA rating. system breakers are 11KV & alternator are 415 Volts. Between alternator & breaker one stepup transformer used. i want to Know what is max. resistance for body earthing & 415 & 11KV V Neuteal earthing. my fault current is 14 times for 2 sec.

1959

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How do you install an extension?

90

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How can we extract string "pcds.co.in" from a string "https://info@pcds.co.in" using regular expression of php? More on reg can you explain

624

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Explain the differences between blending and joining in tableau?

244

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Why should I invest in Mutual fund which is not secured rather than investing in Any Nationalized bank which is giving me guaranteed interest rate of 9.5% per annum which is also more secured?

744

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Can a class have more than one object?

648

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How large marine generator supply power to the msb?

951

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What is an application context?

223

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How to handle bad records during parsing?

295

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Why derating factor os applied on Cables?

1608

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What is bean? Where it can be used?

722

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How do you mark a method obsolete?

682

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Differentiate between Join, Merge and Lookup stage?

754

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What is ruby class?

5

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