Detection Systems Flashcards
1
Q
what are two types of smoke detectors
A
photo electric
ionization detectors
2
Q
3 types of pilot line detection
A
hydraulic
pneumatic
electrical
3
Q
hydraulic pilot lines are typically what size?
A
1/2 inch
4
Q
pneumatic pilot lines are typically what size?
A
1/2”
5
Q
detection sprinkler are used in what kind of pilot line?
A
pneumatic
6
Q
detection sprinklers must be within __” from the fire protection sprinklers
A
18”
7
Q
detection sprinkler must have a higher or lower heat detection element than the fire protection sprinklers
A
lower
8
Q
what are two types of heat detectors?
A
rate of rise
fixed temperature
9
Q
what are the four stages of a fire?
A
incipient -> smoke stage -> flame stage -> high heat stage
10
Q
heat detector spacing
A
4” from walls & avoid corners
over 10’ ceiling spacing reduced
30’ ceiling max
