Answer / sonam

undesirable term of frequency i.e. higher term of frequency in output is called harmonics.
It produce noise and humming.
High voltage or high current flow in the line suddenly.
Damage of line equipment in the line

How one can say about a device (e.g: a light holder contains 20 or 30 L.E.Ds which glows when power supply is off, from which source they are getting the supply..... battery or capacitor) without removing and opening up its case ?

1 Answers   CMC,

---

What is the use of bundle conductors?

0 Answers  

---

Explain dc generator with its types?

0 Answers  

---

How do we calculate transformer oil in liter from the rating of the transformer.

0 Answers   BARC,

---

Why the transmision line are 11,33,63,132kv?

10 Answers   Power Grid,

---

what is the main parts of DG? how it is working?

3 Answers   Kirloskar,

---

What is the difference between in Fourier series and Fourier Transform. and please tell me the difference between both of them and the why we use them in communication system?

0 Answers  

---

What is the d/f between DOL & star delta starter & automatic star delta starter?

23 Answers   ACC, Dalkia, Engineering, Indeco, NINL, Novotel, RMH Control Systems, Wipro,

---

Why do we have 110V, 230V, 415V etc. in electrical transmissions? Why not 100V, 200V,400V?

4 Answers  

---

Why the generator rating in kva

32 Answers   CompuCom, DLF, Genpact, HNG, SIPM,

---

What is the Difference Between choke & ballast

3 Answers   ABB, ICS Integrated Computer Solutions,

---

is all the servo motors having brake?please specify which servo motors having brake for stop on position and which are not.

0 Answers  

---