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+
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.
Escuela, estudio y materia
- Institución
- IFSTA 7
- Grado
- IFSTA 7
Información del documento
- Subido en
- 1 de febrero de 2024
- Número de páginas
- 14
- Escrito en
- 2023/2024
- Tipo
- Examen
- Contiene
- Preguntas y respuestas
Temas
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ifsta
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ifsta 7th edition
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ifsta
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fire figjting
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ifsta 7th edition chapter 18 foam fire fighting
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ifsta 7th edition chapter 18