Exam (elaborations)
IFSTA 7TH EDITION CHAPTER 18: FOAM FIRE FIGHTING, LIQUID FIRES, AND GAS FIRES EXAM / IFSTA 7TH EDITION CHAPTER 18 EXAM 2024 QUESTIONS AND ACORRECT ANSWERS/ GRADED A+
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What are common reasons for failure to generate foam or poor quality foam? ANSWER: - eductor and nozzle flow rate does not match - air leaks at the proportioning device - improper cleaning of proportioning equipment - partially closed nozzle - hose lay on discharge side of eductor is too long - hose is kinked - nozzle is too far above the eductor - mixing different types of foam together - improper pressure at the pump What are the 3 methods for applying Class B foam? ANSWER: Roll-on method Bank-down method Rain-down method What situation would require the roll-on method? ANSWER: only on a pool of ignited or unignited liquid fuel on the open ground.
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Institution
IFSTA 7
Course
IFSTA 7
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Written for
- Institution
- IFSTA 7
- Course
- IFSTA 7
Document information
- Uploaded on
- February 1, 2024
- Number of pages
- 14
- Written in
- 2023/2024
- Type
- Exam (elaborations)
- Contains
- Questions & answers
Subjects
- ifsta
- ifsta 7th edition
- ifsta
- fire figjting
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ifsta 7th edition chapter 18 foam fire fighting
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ifsta 7th edition chapter 18
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