what is battery impedance testing and how we perform this test with four wires.

1 Answers   Etimaad, MRF,

---

Magnetizing current for induction motor compared to transformer is= A equal B more C less D depends on load

1 Answers  

---

Why mostly conductor made by 7 nos wire?

2 Answers  

---

How CT is connected to measure current by changing plug setting , ratio is 300 - 150 / 5 A ?

1 Answers   Ajanta Pharma, Bhel, Cosmo Films, Suzlon,

---

Dir sir we have 750 kva Caterpillar dg set we are fas on different problem we start dg set ofter 1 mint apply load around 500a dg was run one or 3 mint after 3 mints dg was shutdown automatic how to face tis problem

3 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  

---

Capacitors are used to ... -Reduce the bill of the farmer -Improve the PF

1 Answers  

---

what is the different between second harmonics and third harmonics ?

1 Answers  

---

what is the use of excitation transformer in LAVT PANEL?

2 Answers  

---

what is the difference between LATCH and FLIP FLOP

4 Answers   Wipro,

---

in a refinery one motor is suddenly stoped. what will do how can i findout the problem explain step by step

2 Answers  

---

A 3 phase motor operating off 415V system is developing 20Kw at an efficiency of 0.77 and power factor of 0.73. determine:- a)the line current. b)the phase current if winding are delta connected. c)the phase voltage if winding are star connected.

1 Answers  

---