Answer Posted / ashish patil

by pouring water ,charkol and salt is used but it is old
method.use pouring of Bentonite powder by using water.
Also to reduce earth resistance by parralel resistance to
earth mesh.it cen achived upto 2ohm.

True or false question. 1.The fuse provide phase and neutral 2.power loss in electrical circuit can take place in (resistance or inductance or capacitance). 3.two phase system each phase has separated by a phase difference of (90 or 180 or 270 or 45). 4.3 phase balanced star connected load neutral current shall be (line current or phase current or zero or unity)

1540

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Who are the manufactures those manufacturing 3Cx2.5sqmm FRLS cables. I heard about FRLS technology adopted only in wires useful for wirings

2035

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which mm cable should be used for 1.hp immersible pump motor for the distance of 330 metres?

1679

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What is the Diff. btw Manule Pull Station & Manule Abort Station Switches used in FM200 System??

1819

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HOW TO CALCULATE EARTHING SIZING?

2091

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How the circuit breaker is selected for Induction motor of 100 kW, 415 volt, 0.85 power factor, 0.95 efficiency ?

1562

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Can you explain about pole discrepancy scheme

2146

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State the frequency for rc phase shift oscillator?

1072

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how can i get the formula to find out the cable size if i know the load of main fuse protection.

1905

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Hi My dear all Friends, There is a question regarding HVAC Engineering and widely used in Power Projects. Question- What is the diffrence Between REF, SEF and Differential Protection....???? Where REF - Restricted Earth Fault SEF - Senstive Earth Fault.

2139

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Classify milling machines.

1088

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if sf6 gas low in gis what will happen

784

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why and how current drawn by battery charger depends upon the altitude where it is located?

1998

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what is auto re-closer?

2550

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hello friends..... any one have papers or any study materials?sail ,hpcl...?

1849

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