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EFS Interview Questions
Questions Answers Views Company eMail

what is electricial and mechnical interlock.

9 64504

If single phase voltage level is 230V than why three phase voltage level is not 660V ?, but it is only 440V.

16 70303

different between circuit breaker & switchgear & relays

6 35440

HOW TO CALCULATE CAPACITOR BANK OR HARMONIC FILTER CALCULATION

1770

What is motor type DG starter

5 10269

what are the safety in transformer,diesel generator,ups, chiller plant,h.t. , L.t. , sewage treatment plant(stp),water treatment plant(wtp), fire. plz ans. me in detail if you know any of the mention above. i urgently need

2 3728

What is the ideal Bacteria Value for Sewage treatment plant operations with great efficiency.And what is the COD , BOD and Bacteria Measuring units and standard values in India.

1 2871

How can ou verify the size of conductor 50Sq.mm ACSR

1488

What is effect of over voltage and under voltage on ACB

1387

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281


how to connect with oracle 9i with server in socket program in c/c++

1836


How do I add a column in postgresql?

444


Dear Sir, Please advice to us; the description / specification data of Alstom Motor AC part number P/n.91420579P021, the specification: 3 Phase, Power rating: 11.5Hp, Revolutions: 860Rpm, Voltage rating: 460VAC, Frequency: 60Hz, Current Rating: 17A, Service factor: 0.82SF, class: F. (2 shaft MOTOR AC-Left and right). Regards Haryanto

2087


How do you find and replace multiple values at once in excel?

315


If the test case frame contains several test cases, how can one execute just the selected one of those test cases?

474


what are the benefits of area in mvc?

1