HomeRFPFF MCQ📢 Q. Fire alarm system thermostats are actuated by 📢 Q. Fire alarm system thermostats are actuated by Author Name : DG Shipping Date Sunday, February 12, 2023 Q. Fire alarm system thermostats are actuated by A. Smoke sensors B. The difference in thermal expansion of two dissimilar metals C. Pressure loss due to air being heated D. An electric eye which actuates when smoke interferes with the beam << Previous Next >>
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