Answer / guest

air circuit breaker is widly used for arc extingusar

Answer / cholarajan

making & breaking during normal & abnormal conditions.

Answer / suni

In Air circuit braker Air is used as a media to arc
extingusar.It is less cost maintance is eassy

Answer / mojtaba qolipour

air circuit breaker use in hazardous area,for example in gas
fields.
because arc is very dangerous in these areas.

Answer / dipanshu singh

in air ckt breaker air is used as arc quenching medium air
is at 20kg/cm^2

what is ups?how its works?and what is there in static switch how it works?

2 Answers   Bhel,

whether Transformer is singly excited or doubly excited machine?

2 Answers  

Y phase's (RYB) r only 3,not 4 or 5?plz answered in breif?

1 Answers  

ALL HT /LT PANEL TEST? DISCRIPTION.

0 Answers   Essar,

why transformer comes only in standard rating like 11kv,33kv,66kv....and not like 33.33kv and so on?

3 Answers  

is there any concept of armature reaction in Induction motor?

4 Answers  

Why LT cables are not sized based on short circuit capacity.

3 Answers  

if main CT is of ratio 50/5, and meter CT is -/5 what will be overall multiplying factor of meter.PT is 11000/110 .

0 Answers   BSNL,

WHAT IS THE USE OF TERTIARY WINDING IN A STAR/DELTA TRANSFORMER ?

3 Answers  

HOW WE CALCULATE CURRENT IF THERE ARE NOT PRESENT ANY AMMETER OR MULTIMMETER??????

0 Answers  

Why in India distribution transformer are connected in Dyn11 when we know capacity of v-v connection can be increased by adding only a single transformer?

1 Answers   CSPL,

Advantages of Induction Motors

2 Answers