hi i wonder will the speed of a 50hz AC motor reduce if i supply it with 25hz?

4 Answers   Divis Laboratories,

---

which type of capacitor store high amount of energy for long time ? ( polarized or unpolarized )

1 Answers  

---

What can you contribute to the progress of our Company as an employee if you are selected?

0 Answers  

---

What are the test performed on A faulty transformer ?

2 Answers   Bhel,

---

Whats changes in Transformer Oil BDV in changes in temp or Climate?

2 Answers   TATA,

---

Why r used of cable 50sq.mm and above size cable in 3.5 core. And below size in 4 core ? any technical reason please explain it

2 Answers  

---

what is droop?

13 Answers   Alstom, Bhel,

---

in 11kv/400v transformer when only one phase of 11kv supply fails what happens to sec voltage and why

6 Answers  

---

what is the value of combined earthing in general electrical circiut?

0 Answers   Cathtect Engineering,

---

A power transformer 4MVA/11KV/0.415Kv has been out of use in 12years. what maintenance actions/test need to be carried out before energizing.

0 Answers  

---

Describe the test procedure to determine the vector group

0 Answers   MPSEB,

---

How select ELCB for 32amp. socket having quantity 12Nos. We have to do this wiring in PLANT. Please Also explain the incoming cable specification.

0 Answers   Gulf Industrial Services Company GISCO,

---