What shall be minimum thickness of firewall in between two
transformers and which code specifies it ?
Answer Posted / rajesh kumar
Firewalls between transformer (Firewall) shall be provided with 230mm thick RCC or 355mm thick brick wall.
You can refer NFPA 850 for reference.
| Is This Answer Correct ? | 9 Yes | 1 No |
Post New Answer View All Answers
300m long and 30kw inductive loade 3phase supply how many size cable required
Is there any standard guidelines/Criteria to design NGR/NGT.?
what is a pulse transformer? how rise time of pulse changes when ever the voltage changes?
What is the implications when 600 hp motor is started when the unit is running with Transformer of capacity 1500 KVA and DG set of 1000kva
why and where we use early make & late break contacts in protection?
Please explain me about Relay curves and their sources to read ?
what is mind in cable
Please clarify 1. Icw: rated short circuit working withstand capacity 2. Icu: Rated ultimate breaking capacity 3. Ics: Rated service short circut withstand capacity 4. other specification of ACB
If mutual flux is 1.2wb & power factor is 0.8 lag , then what is the Useful flux of a transformer?
What is accuracy of a measurement?
What are the types of control system?
1.what is the difference between ct and cvt? 2.what is the difference between pt and cvt? 3.what is the difference between relays and circuit breakers?
how the B-H loop obtain under the static condition
Define closed loop control system.
Why frame of the motor is specified?. If we mention KW and voltage level,automatically frame is decided or separately frame is compulsory to mention?.