Why the ceiling fan has three blades, why not two,four or five?

4 Answers  

---

Which oil can be used in transformer?

1 Answers  

---

At what load maximum effiecency will be obtained Distribution transformer and Genarating transformer Pls clarify?

4 Answers  

---

What is Surge arrest? How it work?

4 Answers  

---

What should be the overcurrent, instantaneous overcurrent, short cicuit current settings (i.e. how many times of motor full load and what is the time duration) for a motor?

1 Answers  

---

what will happen if the prime mover on the field excitation of the on-coming generator fails?Explain.

0 Answers   Ahsanullah University of Science and Technology,

---

what is power frequency withstand and impulse withstand of a circuit breaker?

2 Answers   Power Grid,

---

why the neutral point in connnection oscillates?

0 Answers   Avalon,

---

what is static electricity and how it generates?

2 Answers  

---

What is corona ? Mention its positve effects .

1 Answers  

---

What are the advantages & disadvantages of a group electrive drive?

0 Answers  

---

What is the specification of service line (ie from electrical post to cut out) used by electricity boards used in india.i mean which material,its size etc.. please give the answer at lalkishan.p@gmail.com

0 Answers  

---