Answer / riemann

OIL SEAL,O-RING ARE SAFETY SEALS,
WHICH ARE USED TO MAINTAIN THE PARTICULAR PRESSURE RATING
AND AVOID LEAKAGES.

Where can I get CPWD electrical shedule rates in web? please help me.

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tell me about sf6 breakers

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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.

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Can someone tell me how to calculate the size of a power cable? What are the factors involved in cable sizing?

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If in a 3 phase supply if the load current is 200A what value of current the each phase R,Y & B will carry?

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WHAT IS SEMICONDUCTOR? EXPLAIN DETAIL. FOR EXAMPLE TAKE A PENCIL.THE LEAD IS MADE UP OF GRAPHITE IT IS A CONDUCTOR.THE OUTER COVER IS MADE UP OF WOOD IT IS INSULATOR.PENCIL IS A SEMICODUCTOR MATERIAL.

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in ct secondary one terminal is connected to earth why?

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Why resistance is not measure in running conditions of motor

1 Answers   Falcon,

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can any one suggest websites having study maetrials for the electrical students?

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What are the advantages of autotransformer?

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What does Transformer vector connection Dy11y5 means?

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What is transient Phenomenon?

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