Answer / nimish

To measure earth resistance We can measure it by Voltmeter-
Ammeter method.

Answer / micky

earth resistance is measured by multimeter keeping the
string to dc voltage and measuring the readings by
shortning neutral and earth

What is industrial plc

0 Answers   TCS,

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what is priming pump?why it is used ?

2 Answers  

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Which are resistive loads & which one are inductive loads : Refrigerator, Split air conditioner, ceiling fans, well pump, fluoresecent bulbs, T.V, CRT Monitors, Adsl Routers, C.P.U, Printers, Deep Freezers, Speakers, DVD Players, Microwave oven etc. ? Output Power for these Appliances Would be same like this : P = V * A * P.F Or would be changed ? thanks

0 Answers  

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The 3 phase 400 hp 440 volt slip ring induction motor do not take one phase amps why ? The motor is running good condition

0 Answers  

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what is the charging battery current of 80 kva UPS/100AH bocket make battery.

4 Answers  

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does any one know where we can purchase insulation oil for high voltage oil filled cables

0 Answers  

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what are the types in Relay?

1 Answers   PLA,

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hi friends how 3 phase converter functioning ?what is working principle of rotory phase converter ?

0 Answers  

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What kind of preventive maintenance are there for AC induction motor?

1 Answers   Gulf,

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if single phase is having 220v supply then why three phase is having 440v instead of 660v?

4 Answers   C&S, NTPC,

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how to calculate no. of earthing pits and their diamensions? no. of lightning arrester rods which are required to protect a building of 35 mtr and we calculate?

5 Answers   Dharampal Premchand Limited, FlowMore, Hindustan Zinc, Ispat, Maheshwary Ispat, NDDB, Siemens,

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how we do Vector group ,magnetic balance and tap changer test in Transformer?

0 Answers   Afcons, BSL, HPL,

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