Answer / sonaali

it is an electromagnetic device for amplifying electrical
signals.

Answer / satendra

It is a device which converts the some physical quntity to
a measurable electrical signal.

how much cable size required for 70 kilowatt load.

0 Answers  

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WHAT IS THE DIFFERENCE BETWEEN NEUTRAL AND EARTHING

1 Answers   Adani, Adani Power, Raychem RPG,

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why we r using 4-20ma instead of 0-20ma in instrumentation

2 Answers   EID Parry,

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where HT & LT capacitor uses ?

2 Answers   NTPC,

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ynchronous M/C with under excitation with reactive power absorption , acts as a) synch. Motor b) synch gen c) synchr capacit

4 Answers  

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WE are using a 63A MCCB(SIEMENS MAKE) for one of the feeder in LV substation panel.It is supplying to a lighting & power socket DB.Settings in the MCCB is Ir = 63 * 1 , Isd = 8 times of Ir , tsd = 0.5 sec( I2 t off). Sometimes this MCCB is tripping .But no trip in DB MCB. Can anybody tell me reason ? From where i can know about the MCCB settings?

5 Answers  

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TO CALCULATE THE RESISTANCE OF GRR OF HT MOTOR 400KW WHEREAS STATOR VOLTAGE 6.6KV AND ROTOR VOLTAGE 705V AND ROTOR CURRENT IS 346A.

0 Answers   Bhel, NTPC,

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why using in cable mm square which is mm & which is square why using mm & square.

1 Answers   Airtel,

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What is the meaning of Fault level rating?

1 Answers   Balrampur Chini Mill,

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Is it required to lay GI wires along with GI/MS conduits from one point to another point though separate earthing cable is conncted from DB to Socket?

0 Answers  

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Why heat produce in AC machine higher than DC machine?

2 Answers  

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how we can calculate cable size of 230v,1 hp single phase motor ? panel to motor distance is 25 meter

4 Answers  

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