Which type of a.c motor is used in the fan (ceiling fan, exhaust fan, pedestal fan, bracket fan etc) which are find in the houses ?

1046

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Give two basic speed control scheme of dc shunt motor?

1121

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What is the polarization index value ? (Pi value)and simple definition of polarization index ?

1233

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Why syn. Generators are used for the production of electricity?

1187

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1 Ton is equal to how many watts?

1139

---

Why use the vcb at high transmission system ? Why can’t use acb?

1347

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Define what is the function of anti-pumping in circuit breaker?

1352

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What is stepper motor?

1323

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What are the uses of stepper motor?

1268

---

How to calculate capacitor bank value to maintain unity power factor with some suitable example?

1162

---

Tell me in detail about c.t. And p.t. ?

1182

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Explain about c.t?

1158

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Explain about p.t?

1096

---

Whether power factor should be high or low? Why?

1149

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Why we do 2 types of earthing on transformer (ie:)body earthing & neutral earthing , what is function. I am going to install a oo kva transformer & 380 kva dg set what should the earthing value?

1174

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