What are the zones in an ex zone?
Ex Zone. Explosion Hazardous Areas are divided into zones according to risk probabilities. Within the European Union, these are defined by IEC/EN standards (IEC/EN 60079-10-1 or 2) as directed by ATEX. There are three zones for gas: Zone 0, Zone 1 and Zone 2. And there are three corresponding zones for dust: Zone 20, Zone 21 and Zone 22.
What kind of topics are covered in extempore?
A large number of topics are covered in extempore. They can include general knowledge subjects to current affairs. To do wonders in extempore, having an idea of the topics that are generally covered can be beneficial.
How to manage time in an extempore topic?
Time Management- This can be extremely hard because the time given in an extempore is extremely less and one has to put forth all the points in the limited time. Effectively management of time can be enhanced by practicing beforehand using a timer. Think First- Thinking and contemplating on the topic is of absolute importance.
What are the zones in atexor knowledge base?
– Atexor Knowledge Base Explosion Hazardous Areas are divided into zones according to risk probabilities. Within the European Union, these are defined by IEC/EN standards (IEC/EN 60079-10-1 or 2) as directed by ATEX. There are three zones for gas: Zone 0, Zone 1 and Zone 2.
What are the zones for the ATEX directive?
The ATEX directive uses zones to classify potentially explosive gas and dust atmospheres. Classifications range from an ignitable condition being an unlikely occurrence (Zones 2 and 22) to continuously present (Zones 0 and 20). > Gas / Vapour / Mist: Zone 0, Zone 1, Zone 2 > Powder / Dust: Zone 20, Zone 21, Zone 22
How are ex zones classified in IEC standards?
The Ex Zones are further classified into Categories according to the IEC/EN standards. The Category classification is used on equipment labels and may also be on Ex-area signs, as you can see below: The Category classification indicates both the Ex Zone and Equipment Protection Level (EPL) for the are: