An area adjacent to a Division 1 location into which volatile gases might occasionally flow should be designated ___. - correct answer -Division 2
A grinding area would most likely be designated as ___. - correct answer -Class II, Division 1
A cotton textile mill would most likely be designat...
nccer electrical level 3 module 4 exam 2023 with 1
Written for
NCCER Electrical
NCCER Electrical
Seller
Follow
PRETTYGRADES81
Reviews received
Content preview
NCCER Electrical Level 3 Module 4 Exam 2023 with 100% correct answers
An area adjacent to a Division 1 location into which volatile gases might occasionally flow should be designated ___. - correct answer -Division 2
A grinding area would most likely be designated as ___. - correct answer -Class II, Division 1
A cotton textile mill would most likely be designated as ___. - correct answer -Class III
A Class II atmosphere containing charcoal or coal dust would most likely be designated as ___. - correct answer -Group F
Which of the following is true with regard to ignition? - correct answer -Volatile vapors will not cause ignition if diluted below the lower explosion limit.
Explosion-proof equipment is rated by both classification and ___. - correct answer -temperature
How many classification(s) of hazardous atmospheres are listed in the NEC? - correct answer -Three
How many division(s) are there for each hazardous atmosphere classification? - correct answer -Two
How many group(s) are listed under Class I, Division I? - correct answer -Four
Which of the following are the groups listed under Class II, Division 1? - correct answer -E,F,G
When installing circuit breakers in Class II, Division 1 hazardous locations, a ___. - correct answer -dust/ignition-proof enclosure must be used
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller PRETTYGRADES81. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £12.65. You're not tied to anything after your purchase.
