plz send me the placement interview question and answers of whizchip(technical and apttitude)..i have an interview in next.

0 Answers  

---

Why are cables rated for 40 KA for 0.25 Sec fault current rating?

0 Answers  

---

The windings of a transformer are divided into several coils, because?

0 Answers  

---

why we changed the polarity of DC generator ?

1 Answers   DMRC, Microsoft,

---

Between rotating armature type and rotating field type arrangements which one is adopted for large rated alternators and DC generators.Why there is difference in the choice?

1 Answers  

---

---

WHAT IS THE THUMBRULE FOR FINDING OUT THE CURRENT CAPICITY OF A COPPER WIRE?? 2.5, 4, 6MM SQUARE ETC...

5 Answers  

---

1)Why potential transformer primary site grounded? 2)can be loop between neutral & body for grounding? 3)What is the difference between ELCB &RCCB? 4)Why we use iron core in transformer insted of wooden core? 5)what is the principle of excitation? 6)Why we test the core balance test for transformer? 7)what is creepage?What is the creepage length for insulators at different voltages? 8)How much type of relays used for differential protection of generator,transformer & busbar protection?

5 Answers  

---

what is the meaning of the symbol << >> put in transformer drawing

0 Answers   TATA,

---

hoe to test voltage restrained overcurrent relay?

2 Answers  

---

What are differences between Conventional & Addressable type smoke detectors?

1 Answers  

---

What is differance between alternator and generator?

4 Answers   IOCL,

---

What is the form name of 'c' license, I want to download in web

0 Answers   BMM, Ceebros Hotels,

---