Answer / bpr

dc supply

Answer / harika

dc

Answer / yogesh.b

DC

Answer / ramk

DC Supply

Answer / r.manikanta

in railways the supply must be constant.in ac supply the
losses are more due to corona, proximity,feranti effects.so
the power loss is more that's way we use DC supply

Answer / ruhi

DC SUPPLY IS USED

Answer / naresh babu

on in dc

Answer / kishore

dc supply are used

Answer / sajid

for traction we use dc supply

Answer / sahasra

in traction dc supply is used

what is the principle of operation of tungstun bulb ??

2 Answers   IOCL,

How equivalent impedance is calculated in thevenin theorem?

0 Answers  

We have laid the single core Armoured cable 7 nos ( 2 each phase & 1 neutral ) to cater our electrical load . the issue is though we have Glanded the cable both the end also givan the earthing to the panel both the end we are facing a heavy sparking at the gland side. what could be the reason.

12 Answers  

What is the advantage of AC supply?

5 Answers   PSU,

Describe the difference between a microcontroller and a general purpose computer.

2 Answers   Siemens,

What is lighting kitts.

0 Answers  

X is a uniformly distributed random variable that takes values betweeen 0 and 1.The value of E {X3}(x cube) will be.

1 Answers   GATE,

What do you mean by reach and reach the point of the relay?

0 Answers  

power is the product of voltage and current.so we can measure the value of power just by using ammeter and voltmeter.......then why do we use a wattmeter?

5 Answers  

25 kva load,

1 Answers   Voltas,

Normally the starter used to reduce the starting current.but the dol starter do not it,so why we use it?

4 Answers  

What are the implications when the power factor is is leading condition ?

1 Answers