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

A.removing the heat
B.removing the oxygen
C.removing the fuel
D.interrupting the chain reaction

A.it is impractical to locate them outside
B.there is also a control valve outside
C.the CO₂ cylinders are also in the space
D.an automatic heat-sensing trip is installed

A.NOT contain more than 200 pounds of CO₂
B.be automatically operated by a heat actuator
C.have an audible alarm
D.All of the above

A.the discharge valve is open
B.the control box glass is broken
C.pressure from the control cylinders is detected
D.the control cylinders have been completely discharged

A.machinery spaces
B.cargo compartments
C.living quarters
D.galley

A.the single hook at the top of the raft
B.two lines passed under the raft
C.the towing bridle
D.All of the above

A.put back in service if some CO₂ remains
B.hydrostatically tested
C.retagged
D.recharged

A.CO₂
B.fresh air
C.the tested compartment's air
D.water

A.fuel supply
B.exhaust ventilation
C.supply and exhaust ventilation
D.mechanical and natural ventilation

A.over pressurization of the space being flooded
B.rupture of cylinder due to temperature increase
C.over pressurization of the CO₂ discharge piping
D.flooding of a space where personnel are present