Answer Posted / sri

Neutral is used to make the circuit complete.

Earth is used to protect the instuments or whatever ,from
electrical shock.

Ground is used to bypass the electrical leakages

Convert a star connected network into a delta connected network.

1118

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what is transistors comprised of?

1175

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working principles of cf lamp,incandescentlamp and f lamp?

2252

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

1085

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I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail id:upendrakrishna20@gmail.com,plz send me ,or send any other rrb papers plzzzzzzzzzzzzzzzzzz

2091

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Can i replace Earth leakage relay to the faulty Earth Faulty Relay

1518

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Please provided formula for calculate the cable size from step up transformer to M.V panel, run overhead aluminum cables, total load is 5mega watt, total length 900 feet.

1765

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why any centrifugal blower draw more current in starting. consider id fan and fd fan?

1858

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How may I enrol or get admission to your program?

1911

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what is efficient motors and how it is different from normal induction motors

1913

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A 50Hz,4-pole,3-phase,star-connected synchronous motor has a synchronous reactance of 12ohmsper phase and negligible armature resistances.the excitation is such as to give an open-circuit voltage of 13.2kilovolt.the motor is connected to 115kilovolt, 50hertz supplying. what maximum load can be the motor torque,line current and power factor?

2433

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what is the circulate the diesel in DG in side pls tell parts name and picture with circulate the diesel

1992

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at work i have a genertor/alternater what is the easyest way to work out if it is dc or ac?

1882

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why i can not use thimble on capacitor duty contactor

1358

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We have 110Vac ,10A ac supply which is converted into 110VDC & How much DC current? which factor is reqired for dc current calulation?

5148

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