Answer Posted / suhana_t

The frequency used in Rodents Repllant System is
above 20KHz i.e Ultra Sonic Frequency..

Infrasonic:-The Frequencies bellow 20 Hz.

Ultrasonic Frquencies:-The Frequencies Above 20 KHz.

Audio Frquencies:-The Frequencies ranges btw 20 Hz to 20
KHz.

I have motor of 3 H.P. How i found the rating of capacitor use in it in single phase motor..???

2141

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1. How many types of mangers? 2.How many types of capacitors? 3.pls tell me normally types alternator problems?

1724

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how we can calculate 2 phase welding transformer rating or total power?

1411

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why impedance relay is used for medium transmission line protection

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why would amp draw on neutral wire be as much as amp draw on the hot leg.

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how is positive, negative, zero sequence is happen.. how is effect on 3 phase system

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Hello seniors m an engineering student in 3rd yr..i want to know what are the software course in electrical field?i wanted to do certification course but i dont know much about the course?..Regards

1658

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What is the principle of HIGH SPEED DIRECT DRIVE MOTOR ?

1524

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How should i design a 1ph & 3 ph transformer. Kindly let meknow all steps and formulaes related to design from scratch.

1623

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In an ACB shunt trip coil and undervoltage coil operated normally( breaker open and charged). But closing coil not operating untill manually discharge and recharging. Any help.

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Let me know that how i calculate the alternator sub tranciant reactance and tranciant reactance.

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i completed my DEEE. and i want to electrical c license. how to get it..?

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A 3-PHASE TRANSFORMER IS USED TO STEP-DOWN THE VOLTAGE OF A 3-PHASE, 11KV FEEDER LINE. PER-PHASE TURNS RATIO IS 12.FOR A PRIMARY LINE CURRENT OF 20A, CALCULATE THE SECOUNDRY LINE VOLTAGE, LINE CURRENT AND OUTPUT KVA FOR FOLLOWING.A)STAR- DELTA.B)DELTA-DELTA.

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which metal is use in shunt

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Pl. brief about break-down maintenance of machine tool.

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