Answer / binay agarwal

Energymeter uses by the transducer, as itis change energy
one form to another.

Answer / sennapparajan

what u mean electronic energy meter??

is it digital energy meter???

why magnetising curve not start with zero voltage?

0 Answers   TATA,

---

how to calculate the powerfactor in induction motor having name plate details? for example 1 h.p motor 1.86 A 415 V

6 Answers  

---

why name plate detail HP/KW rating of a motor is different from measured value HP/KW using formula?

1 Answers   MAHINDRA,

---

Difference between field rheostat and armature rheostat.

0 Answers  

---

requirements for making parallel operation of Uninterrupted power supply

2 Answers   Emerson,

---

Waht are the protection should be use in HT/ LT side of the same Xformer?

1 Answers  

---

following are the questions asked in interviews: 1) Considering the short circuit fault, which switchgear is preferable, SFU OR MCCB? Which operates faster? whicg one is popular in Indian Market and why? 2)Define SCPD. What is type2 coodination? 3)Why the contactor rating is higher for the fuseless selection than for fuse selection? whether the ratinf of SFU or MCCB remains the same in both the cases? 4)If the HP rating is known then can you calculate the ratings of L.V Switchgear(SFU/MCCB, contactor, OLR) without using the selection chart?

0 Answers  

---

sir, how to select the cable size, what is the parameters use ang what is the formulas use for this cable size calculations. please tell me.

4 Answers   ISRO, Power Grid,

---

tell me working of air circuit braker.

2 Answers  

---

If current and resistance in a circuit is increased by 20%, what will happen to its voltage drop??

4 Answers  

---

Dear sir, please tell me how many day use CTPT transformer

1 Answers   Daya Engineering Works,

---

what is package substation.how many types they have

0 Answers   ABC,

---