What is the criteria for deciding whther fire wall is
required between two power transformers
Answer Posted / dipak thumar
Fire wall is provided to avoid spreading of fire from one
transformer to other.
The height of the wall is to be higher(approx. 1.5 times
that of heighest trafo. ) than the height of the
transformers.
Width of the Fire wall is to be minimum 230 mm if it is
brick wall or 150 mm if it is concrete wall.
This is mendetory in india as per IE rules
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
What happens to voltage when current through the inductor is constant?
What is meant by control system?
Give idea about General Engineering. From which book i can study this topic. Pl. reply me via email. My email is ravi@bhelhwr.co.in, also give the name of book/website, from where i can prepare it.
how a.c. genarator control power factor when its conected to grid supply by incrising or decresing excitation voltage.
write encoder 17 pins details? pin a;b+, pin b;w+,..pin s & t. what is the meaning of b+, w+? explain;
How to measure current and voltage in an ELV circuit
Define open loop control system.
apti mainly on logical reasoning, verbal and non-verbal ability (70 percent) and remaining technical. I was in ee but technical had mech ques like on turbines and welding.
Why does the speed regulating system adopting I controller have no steady-state error? In this single closed-loop speed regulating system, when the input of the I controller Un=0, what is the output voltage of the regulator? What factors do the output voltage depend on?
what type of earthing do for dry fissure rock?
what about SAP/MRP regarding manufacturing of electric motors and all drives?
How can maintain our H.T. motors used in cement plant. please send me procedure.
What do you mean by distribution transformers?
When are the directional relays used?
How to Make relay co ordination chart for a Electrical power distribution of a plant