What is the difference between MCCB, ACB & VCB

7 Answers  

---

Why two phase welding machine is used instead of three phase welding machine.

0 Answers   Merck,

---

how many types control panel of a 132/33 kv substation

0 Answers   Alstom,

---

what is the per unit cost of generation of electricity at thermal,hydro,desael,solar,gas power plant

1 Answers  

---

why secondary of transformer always grouded?

1 Answers   IIUC, Sodexo,

---

---

1 sq mm conductor=? how many amps

3 Answers  

---

If single phase voltage level is 230V than why three phase voltage level is not 660V ?, but it is only 440V.

16 Answers   BSNL, DOS, EFS, HMT, L&T, TCS, ThyssenKrupp,

---

what is power factor?

7 Answers   CA,

---

why vacuume circuit breaker is not used for EHV

3 Answers   College School Exams Tests, Crompton Greaves,

---

anyone knows service engineer in chennai for EDM SPARKING MACHINE.CHMER PULSE CD 60 M.pL GIVE ANY CONTACT NOS

0 Answers  

---

Apparent power is expressed as V * I(Conjugate). Why not in V * I ?

0 Answers  

---

difference between microprocesser and microcontroler

1 Answers   HAL,

---