Name different types of circuit breakers and their voltage
ratings?

Answer Posted / amit kumar

1:AIR CB -UPTO 11KV
2:AIR BLAST CB -11KV-33KV
3:OIL FILED CB -33KV-132KV
3:VACUME TUBE CB-UPTO132KV
4:SF6 CB -MORE THAN 132KV

Is This Answer Correct ?    2 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

how freewheeling diode improves the powerfactor

4857


What is the different between digital phase converter and ordinary phase converter?

667


what is a power factor?

1325


Whether IP65 enclosure box blocks ventilation if driver for LED have to enclosed inside IP65 box

1591


what is the basic need of domestic loads 1- voltage 2- current

1513






A 500 V shunt motor runs at its normal speed of 250rpm when the armature current is 200A. The resistance of the armature is 0.12 Ω. Calculate the speed when a resistance is inserted in the field reducing the shunt field to 80% of normal value and the armature current is 100A.

2026


Is it possible to connect a safety device in to parallel?

1563


What is the Diff. btw Manule Pull Station & Manule Abort Station Switches used in FM200 System??

1397


draw a circuit diagram connecting transformer OLTC- RTCC- VCB-Marshalling Box otherwise Explain in words

22140


What is mason's gain formula?

788


What is nyquist contour?

762


How to run a three phase motor into single phase........

1578


please send privious years question papers of jindal steel and power ltd.My e mail id is rajanikant.sngh@gmail.com

1641


completed BE & done apprentice at tneb & having experience 6 years. want to get c license. will apprentiship & BE be helpful for getting c license. will i get any preference by showing this?

1203


What is The Resistance Formula

782