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
E
İlgili Sorular
The revolving drum of a winch used to haul lines is called a __________.Which action must be taken when an individual cargo tank is closed off from the inert gas system by ...BOTH INTERNATIONAL & INLAND A towing light is ____________ .The annual survey for endorsement of a Load Line Certificate must be held within __________.On offshore drilling units operating in U.S. waters, the service life of rockets for impulse-project...