What are the fire Estingushers use in electrical fire?

Answer Posted / lohith

Class B (dry
cemical powder) and
class C (corbun
dioxide)

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How to back charge the Gas turbine generator

1622


DC transmission

1614


Difference between Earthing Truck & Earthing trolly for HT panel

3818


Why transformer used in UPS??

1041


what is control supply rating of a machine

1500






What is a difference between indoor transformer and outdoor transformer of same rating

5214


1.what is difference in maintain Hz again Hz in USA ? 2.how to calculate the battery AH? 3.why are yearly maintained in transformer how many tests in required?

2227


how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

1979


what is the reason the main breaker is trip during the motor is running? (some time the breaker is not trip)

1309


how we can calcultae the short circuit level for bus bar

1735


what is the meaning of 5% droop or 7% droop in AVR?

1903


What is primary and backup protection?

755


For a 6.6kV Motor it is recommended to do megger test with 500 V d.c and not more than 5kV d.c but the Hi voltage withstand test should be performed by 12kV AC. Why the dc voltage test should be limited but AC voltage withstand test could be with such a high voltage?

1709


whatare the disadvantages occur,if the form factor of transmission will not be equal to 1.11

1441


if we install two earth pits with a clear space of 5m without any interconnection,by checking the digital multimeter will it show continuity between earth pits? If so what would be the approx. value

1478