why the under of transformer platform is filled with rock stones.

10 Answers   TNEB Tamil Nadu Electricity Board,

---

What are the possible causes if load is not same on all the three phases

4 Answers  

---

No load tap changing transformer working

0 Answers  

---

What are Contactors? How they works and what its highest rating?

0 Answers  

---

CAN U PLEASE TELL ME SOME G.D TOPICS FOR APGENCO INTERVIEW&G.D

0 Answers  

---

What is ignitor and why it is use in Hpmv lamp ?

2 Answers  

---

what is power factor

3 Answers  

---

How to detect voltage vector shifting in interconnection protection.

0 Answers  

---

define hysteresis loss, eddy current loss and windage loss

0 Answers  

---

what is the importance of fault level in power system and how is it decided

2 Answers  

---

Q) Write VBscript code along with QTPscript code in QTP tool for below scenario 1. Launch yahoo site(i know) 2. Do loogin(i know) 3.Click inbox link(i know) 4.Go to every page of mail box and count no.of read mails and no.of unread mails(i know) 5.Store page numbers, read mail count and unread mail count in a new excel file sheet 6.Create 10 types of graphs on that data 7.Do logout and close site(i know) 8.Save new excel files with graph

0 Answers  

---

In the solution of load flow eqation, Newton raphson method is superior to the gauss siedal method because (a)the time taken to perform one iteration in the NR method is less when compared to GS method (b)the number of iterations required in the NR method is more compared to that in the GS method (c)the number of iterations required is dependant on the size of the system in the NR method (d)convergence characteristics of the NR mehod are not affected by the selection of the slack bus

1 Answers  

---