Hi, I'm going to attend BHEL interview for exexutive trainee (ET ) on 22nd DEC . Till now if anyone attended the interview pls help me out regarding the interview. I'm an electrical engineer

3 Answers   Bhel,

---

why Power transmssion voltages are as 11kV,33kV,66kV,220kV and so on only?

2 Answers  

---

first 3 men were there .again 3 came.total how much?

11 Answers   Wipro,

---

why ELCB can't work if N input of ELCB do not connect to ground?

5 Answers  

---

how was your last weekend.

0 Answers   HCL,

---

what is mean by current

17 Answers   Wipro,

---

What should be the DC voltage for Hi-pot test on 11kv switchgear

3 Answers  

---

We have a 1275KVA existing Transformer in a power plant project. Customer want to get it test & confirm whether it is a Dyn1 Transformer or not. Pleae let me know how to test it.

1 Answers   Allied Group,

---

Electrical Design specifications

1 Answers   Sabic,

---

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  

---

tan delta equation test on alternators

0 Answers  

---

HOW CAN YOU CALCULATE PRACTICAL EFFICIENCY OF A ASYNCHRONOUS INDUCTIONMOTOR OF 7.5KW,& MOTOR IS RUNNING WITH AVOLTAGE OF 410 VOLTS,& TAKING CURENT OF 13 AMPS

0 Answers  

---