Answer / balaji

dc series is in the trains to get high starting torque
while starting of the trains

Answer / manoj rasam

DC Series Motors for high starting torque and operating
voltage is 1500v dc.

what is 33 /11kv transformer bdv

8 Answers   NMDC, TPPL,

---

The purpose of a choke is to provide a ?

1 Answers  

---

why surge suppressor in vaccum circuit breaker and it is only in motor feeder why not in tranformer feeder?no surge suppresor in ocb in motor feeder?

1 Answers   IOCL,

---

What will happen if 40W and 60W Bulb is Connected in Series.

2 Answers  

---

why making capacity is more than breaking capacity?

14 Answers   Essar, Indo Asian, Infinity,

---

From the point of view of accuracy in the Measurement of Electrical energy should we select a potential transformer or a capacitor voltage transformers?.Kindly support your reply with reason and justification.

1 Answers  

---

what is the method of electric earth for the protection of low voltage electric equipment

1 Answers   MacLellan, Shiva Corporation, Siemens,

---

why supervision relay is used in incoming feeders?

1 Answers  

---

considering the 3phase and single phase ac system the load applied and the volage given is same...will the current differs for both the cases are it wil remain same?

5 Answers  

---

State angle criterion.

0 Answers  

---

If rotor works in clock wise what happens

0 Answers  

---

how to calculate singlephase motor efficiency?

0 Answers   Alstom,

---