why battery dc voltage become Half when we check with respect to ground for example 120volts + and - terminals and when we check + terminal with Earth thats 60volts why 60volts same result on 24Volts and with ground 12Volts only expert answer that thanks we can not ground the battery.

2 Answers   Etimaad,

---

What are protections for dty type transformers

0 Answers  

---

what is the roll of power factor in induction motor.

3 Answers   Hindalco,

---

What is function for Load Bank test and why need to test.

1 Answers  

---

what are different types of alternator and discuss about the methods of cooling

16 Answers   Bhel, Jindal, L&T, Nalco, Vedanta,

---

How can we decide the fualt levels of sub-stations?

2 Answers   Bhel, Enercon, Prakash Industries,

---

explain the details about vaccum circut breaker and advantages?

4 Answers   CPCL, Unisol,

---

what is destructive and non-destructive testing of welding

0 Answers  

---

why do we carry out winding resistance test?

0 Answers   MahaGenco, MAHINDRA,

---

A 40 kva transformer has a core loss of 400W and a full load copper loss of 800W. What is The proportion of full load at maxmimum efficiency?

1 Answers  

---

What is STEP VOLTAGE ?

7 Answers  

---

what is mean by xlpe swa pvc

5 Answers  

---