Q19 an electrical motor fire is best extinguished by

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Q19. An electrical motor fire is best extinguished by using CO2 because it:
Q20. The extinguishers suitable for Class B fires can be identified by a _________ containing the letter B.
Q21. Extinguishers suitable for Class C fires can be identified by a ____________ containing the letter C.
Q22. A multipurpose dry chemical extinguisher is rated for Class ________ fires.
Q23. A red square containing a letter indicates an extinguisher to be used on _____ fires.
Q24. Which is the most common type of foam proportion are used in the fire service?
Q25. The components needed to produce quality firefighting foam include:
FSE 221 TEST 2 Q26. Which one of the following is not a method by which foam acts as a suppression agent?
Q27. Answer: Upright Q28. Answer: UNKNOWN Q29. 1: D – Orifice Cap 2: A – Deflector 3: C – Thermal Activation Mechanism 4: B – Frame Arms Q30. How can you visibly recognize the ratings of frangible sprinkler heads?
Q31. The color ratings for fusible links and frangible bulbs are the same?
FSE 221 TEST 2 Q32. All main control valve must be a(n) ______________ type valve?
Q33. Please name the selected components on this system by matching the answer options, 1: E – Riser 2: A – Spare Sprinkler Box 3: H – Alarm Check Valve 4: B – Supervisory Switch 5. D – Main Control Valve OS&Y 6. J – Water Motor Gong Drain 7. F – Flow Switch 8. I – Retard Chamber 9. G – System and Supply Pressure Gauges 10. C – Fire Department Connect

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