Exam Review: High Rate Discharge Flashcards
1
Q
Conventional fire extinguishing systems use what, on which type of aircraft?
A
CO2
Old Piston
2
Q
Which system is used more than Conventional?
A
HRD
3
Q
What does HRD use?
A
Halon
Freon
4
Q
What propels the extinguishing agent at high speeds?
A
N2 gas
5
Q
How does the conventional system work?
A
Liquid CO2 becomes gas then dry ice, replaces O2 since it is heavier
6
Q
Which system uses a PERFORATED ring and DISTRIBUTOR nozzles?
A
Conventional
7
Q
What is the purpose of the FIRE SWITCH?
A
Isolate and Arm
8
Q
Describe a SQUIB
A
Explosive charge at neck of bottle
9
Q
What is a thermal fuse?
A
Melt if subjected to high temp
10
Q
What is the purpose of a pressure switch?
A
Light for letting the cockpit know the bottle has discharged
