The quantity and pressure of the clean agent must be checked:
A. monthly.
B. annually.
C. semiannually.
D. every 5 years.
C
Health Professions
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Which of the following types of portable fire extinguishers contains an expellant gas and extinguishing agent in a single chamber and usually requires special charging equipment for pressurization?
A. Stored-pressure extinguisher B. Pump-operated extingusiher C. Combination-pressure extinguisher D. Cartridge-operated extinguisher
Health Professions