Answer Posted / umesh ranjan panigrahi

If it is a 3-phase squrel cage induction motor then by
adding external resistance in rotor circuit we can control
speed as well as torque.

Dear all i want to know SEWA Electrical Supervisor Licence test Previous Year Questions ? If any body know please send to me zohairaukllah@yahoo.com

1035

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What size cable (based on voltage drop) is required to supply a 40 A three phase boiler if the wiring system is 75V single insulated cables installed in non-metallic rigid conduit 56m from the main switchboard? Voltage drop in the consumer's mains is 8V.

1979

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WHAT ARE THE DATAS REQUIRED FOR PROTECTION AND METERING AND CONTROL AND LOGIC PREPARATION,HOW TO STUDY THE PROTECTION AND METERING?

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Which motor connection is preferable star-delta or delta-star?

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1184

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im electrical engineer, could any one help me for FEWA exam questions please ?

1112

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How test for Ddo vector group test condition?

2471

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how to find number of run cable laying[LT side] for transformer & alternator secondary side? [above condition for getting output power transformer to main panel side] give the example.

2078

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A cotter joint is generally used to transmit

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Brief me about maintenance planning & sheduling of machine tool.

2136

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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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