Engine Fire Protection Systems
Exam Questions With Complete
Solutions (Updated)
In a thermal switch type fire detection system, heat sensitive switches are placed in
_______________ with each other, and in _______________ with the flight deck
indicator lights.
A. parallel; series
B. series; parallel
C. series; series - CORRECT ANSWER-A
Which of the following are features of an ideal fire detection system?
1. illuminates a light on the flight deck which indicates the location of the fire
2. sets off an audible alarm
3. low number or no false alarms
4. resettable when the fire is out
, 5. minimum electrical current requirements
A. 1, 3, 5
B. 2, 3, 4, and 5
C. 1, 2, 3, 4, and 5 - CORRECT ANSWER-C
What is the operating principle of the spot detector sensor in a fire detection
system?
A. Resistant core material that prevents current flow at normal temperatures.
B. fi conventional thermocouple that produces a current flow.
C. A bimetallic thermal switch that closes when heated to a high temperature. -
CORRECT ANSWER-C
Which of the following fire detection systems measure temperature rise compared
to a reference temperature?
A. thermocouple
B. thermal switch
C. lindberg continuous element - CORRECT ANSWER-A
Optical fire detection systems
A. can be infrared or ultraviolet.
B. must be used out of the way of direct sunlight.
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
Exam Questions With Complete
Solutions (Updated)
In a thermal switch type fire detection system, heat sensitive switches are placed in
_______________ with each other, and in _______________ with the flight deck
indicator lights.
A. parallel; series
B. series; parallel
C. series; series - CORRECT ANSWER-A
Which of the following are features of an ideal fire detection system?
1. illuminates a light on the flight deck which indicates the location of the fire
2. sets off an audible alarm
3. low number or no false alarms
4. resettable when the fire is out
, 5. minimum electrical current requirements
A. 1, 3, 5
B. 2, 3, 4, and 5
C. 1, 2, 3, 4, and 5 - CORRECT ANSWER-C
What is the operating principle of the spot detector sensor in a fire detection
system?
A. Resistant core material that prevents current flow at normal temperatures.
B. fi conventional thermocouple that produces a current flow.
C. A bimetallic thermal switch that closes when heated to a high temperature. -
CORRECT ANSWER-C
Which of the following fire detection systems measure temperature rise compared
to a reference temperature?
A. thermocouple
B. thermal switch
C. lindberg continuous element - CORRECT ANSWER-A
Optical fire detection systems
A. can be infrared or ultraviolet.
B. must be used out of the way of direct sunlight.
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
