Exam (elaborations)
TYPE B LICENSE: TFM02 QUESTONS AND ANSWERS
- Course
- Institution
TYPE B LICENSE: TFM02 QUESTONS AND ANSWERS
[Show more]
Content preview
TYPE B LICENSE: TFM02 QUESTONS AND ANSWERSWhen an inspection of a nonrechargeable dry chemical fire extinguisher reveals a deficiency, you must: - answer- -removed from further use
-discharged
-destroyed at the direction of the owner or returned to the manufacturer
When an inspection of a nonrechargeable fire extinguisher containing a halon agent reveals a deficiency, you must: - answer- -remove from service
-DO NOT not discharge
-return to the manufacturer, a fire equipment dealer, or a distributor to recover the halon
ASTM - answer- American Society for Testing and Materials
UL - answer- Underwriter's Laboratories
ANSI - answer- American National Standards Institute (rules and requirements for first aid)
Dry Chemical - answer- A powder inside an extinguisher:
-composed of small particles (usually sodium bicarbonate, potassium bicarbonate, or ammonium phosphate)
-provides resistance to packing, caking
-ensures proper flow capabilities
When a low-pressure cylinder passes a hydrostatic test, you must affix a label to the extinguisher stating the: - answer- -test pressure used -month and year performed
-initials of person performing the test
Liquefied gas, halon, and CO2 extinguishers that have been recharged without valve removal: - answer- do not require a verification collar after service
T or F? Cartridge extinguishers do not have to have a verification collar installed after maintenance. - answer- True
What is typically replaced during an extinguisher recharge? - answer- O ring
What is typically replaced after maintenance or hydrostatic testing? - answer- O ring and valve stem
Wet Chemical - answer- -water-based solution of organic or inorganic salts that form an extinguishing agent
-liquid suffocates the fire Clean Agent - answer- -Halogenated agent
-won't damage parts/equipment
-for B or C Fires
-keeps high value electronics and machines safe
-does not leave residue
High-Pressure Cylinder - answer- -CO2 cylinders
-pressure higher than 500 psi
Low-Pressure Cylinder - answer- -ABC cylinders
-cylinders containing fire extinguishing agent, compressed air, or compressed gases
-pressure of 500 psi or lower
Dry Powder - answer- -solid materials in powder form designed to extinguish Class D combustible metal fires by crusting or smothering the metals
Extinguisher Inspection (monthly) - answer- -quick check that a fire extinguisher is in it's designated place, that it has not been tampered with, and that there is no obvious physical damage
Extinguisher Maintenance (annual) - answer- -thorough examination intended to give assurance that a fire extinguisher will operate effectively and safely -to determine if physical damage or condition will prevent operation -to determine if repair or replacement is necessary -to determine if hydrostatic testing or internal maintenance is required
Halogenated Agents - answer- -clean agent used to extinguish B or C fires
Hydrostatic Testing - answer- -pressure testing an extinguisher to verify its strength against unwanted rupture
Mild Steel Shell - answer- -all steel shells (other than stainless steel and steel shells) used for high-pressure cylinders
Extinguisher Service Pressure - answer- -normal operating pressure as indicated on the
cylinder of the extinguisher
Dry-Chemical stored-pressure extinguishers manufactured before October 1984 should be removed from service - answer- -at their next 6 year maintenance
Selection of fire extinguishers must be based on these things: - answer- -type of fire most likely to occur
-size of fire most likely to occur
-hazards in the area -energized electrical equipment in the area
-ambient temperature conditions
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 or Stuvia-credit 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 GEEKA. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79223 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now