Answer Posted / ashok mishra

by using proper rating of capacitor or resistor in the terminal of absent phase we can create a phase difference and run the motor very accurately
and the another one is scot connection

what is meant by impedance & transient protection?

2107

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If a current -8+6sin6t is flowing three ammeter, one is a centre zero PMMC meter, one is true rms meter and one is moving iron meter. What are the reading of these three meter respectively?

2232

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How time response of the system is divided?

1194

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how does the rotating m.m.f is produced in the 3-phase induction motor and how the poles are created in 3-phase induction motor ?

2645

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What is the ideal position cooling fan inside the dc motor?

2091

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Why choke coil is connected in series with starter in tubelight??why starter is connected in parallel to tubelight??

3378

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How will A Medium voltage circuit breaker(11 kV voltage level) operate under short circuit fault condition whether It is having short circuit release like Low voltage circuit breaker or relay should be given?

1945

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difference between high and low impedance BUS BAR relay??

1618

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How many Zones can be in Conventional type fire alarm system & how can we detect the fire in Conv. type FAS?

1825

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what is the function of choke in the flourcent tube lights and why the colour is in white mostly in flourcent tube lights

1934

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How can we calculate the KVA rating of a Distribution transformer from its core details?

2069

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I HAVE A 50A MCCB AS PER DESIGN LINE WIRE CONNECT UPWORD SIDE AND LOAD IS CONNECTED TO DOWNWARD SIDE TO THE MCCB.IF NOW ANY ONE CHANGE SUPPLY & LOAD(WISEVERSA) WHAT HAPPENS ? DOES MCCB OPERATION OR WORKING FUNCTION NORMAL IF YES THAN WHY THERE ARE MARKED LINE & LOAD ON MCCB.

2382

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What are the types of piano switches?

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What technology is used in latest generators?

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Whether power factor should be high or low? Why?

1118

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