NV Fixed Fire Extinguishing Systems Practice Questions - Nevada C-41B Fixed Fire Extinguishing Systems Contractor Examination Exam

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Which expellant must be used when recharging a dry chemical extinguishing cylinder unless the manufacturer recommends otherwise?

Nitrogen or approved dry air Carbon dioxide from a high-pressure cylinder Ordinary shop compressed air with no dryer Steam or moist plant air

Correct Answer:

Nitrogen or approved dry air

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