Fire Life Safety Exam Preparation
questions and answers
Ohm's Law ✔✔Relationship of voltage, current, and resistance.
Current in Series Circuit ✔✔Total current equals voltage divided by resistance.
Sound Pressure Level ✔✔Maximum allowable dBA for audible alarms.
Radiant Energy Detectors ✔✔Devices detecting ionization, photoelectric, heat, or flame.
Detector Spacing Rule ✔✔Detector must be within 1 to 5 times spacing.
Power Sources for Fire Alarms ✔✔Minimum of two independent and reliable power
sources.
Telephone Appliance Height ✔✔Wall-mounted phones must be ≤ 66 inches high.
Current in Parallel Circuit ✔✔Total current equals sum of branch currents.
Signaling Line Circuit ✔✔Carries multiple input and output signals.
Notification Appliance Purpose ✔✔Alerts occupants during a fire emergency.
Circuit Disconnect Identification ✔✔Must be marked at the power supply.
Alarm Activation Time ✔✔Must activate within 5 seconds of triggering.
Manual Fire Box Travel Distance ✔✔Must be within 200 feet of each other.
Current Flow Observation ✔✔Indicates voltage polarity in a circuit.
Circuit Integrity Rating ✔✔Minimum fire resistance rating of 2 hours.
Grounding Pipe Depth ✔✔Water pipe must be buried 10 feet deep.
Battery Recharge Time ✔✔Recharge within 24 hours after discharge.
Battery Date Requirement ✔✔Must display month/year on booster panel.
, Ground Fault Delay Time ✔✔Delay set at 90 seconds at main panel.
Ceiling Smoothness Criteria ✔✔Beams must not project more than 4 inches.
Alarm Signal Duration ✔✔Must last at least 5 minutes.
Circuit Integrity Monitoring ✔✔Monitored by voltage loss or small current.
Conductor Size Requirement ✔✔Stranded conductors for sizes 6 AWG or larger.
Smoke Detector Temperature Limit ✔✔Cannot be installed below 32 degrees
Fahrenheit.
Minimum Grounding Conductor Size ✔✔Telecommunications circuits require #10
grounding conductor.
Central Station Power Supply ✔✔Must provide 24 hours standby and 5 minutes alarm.
Smoke detectors testing frequency ✔✔Tested weekly, monthly, quarterly, or annually.
Fire alarm notification appliances ✔✔Includes bells, horns, strobes, LCD displays.
Minimum smoke alarms in dwelling ✔✔A 2-story home requires at least 3 alarms.
Water temperature supervisory device ✔✔Signals below 32 degrees F for freezing
conditions.
Class A circuits ✔✔Outgoing and return conductors in one conduit.
Wet pipe sprinkler system supervision ✔✔Monitors air pressure and valve position.
Waterflow switches testing frequency ✔✔Tested weekly, monthly, quarterly,
semiannually, or annually.
Heat-sensing fire detector classification ✔✔175 - 249 degrees F is medium
temperature.
Visible notification appliances spacing ✔✔Maximum 15 ft apart, not exceeding 100 ft.
Notification appliance circuit condition ✔✔Reverse polarity indicates alarm condition.
Off-normal suppression system indication ✔✔Alarm, trouble, or supervisory signal
alerts.
questions and answers
Ohm's Law ✔✔Relationship of voltage, current, and resistance.
Current in Series Circuit ✔✔Total current equals voltage divided by resistance.
Sound Pressure Level ✔✔Maximum allowable dBA for audible alarms.
Radiant Energy Detectors ✔✔Devices detecting ionization, photoelectric, heat, or flame.
Detector Spacing Rule ✔✔Detector must be within 1 to 5 times spacing.
Power Sources for Fire Alarms ✔✔Minimum of two independent and reliable power
sources.
Telephone Appliance Height ✔✔Wall-mounted phones must be ≤ 66 inches high.
Current in Parallel Circuit ✔✔Total current equals sum of branch currents.
Signaling Line Circuit ✔✔Carries multiple input and output signals.
Notification Appliance Purpose ✔✔Alerts occupants during a fire emergency.
Circuit Disconnect Identification ✔✔Must be marked at the power supply.
Alarm Activation Time ✔✔Must activate within 5 seconds of triggering.
Manual Fire Box Travel Distance ✔✔Must be within 200 feet of each other.
Current Flow Observation ✔✔Indicates voltage polarity in a circuit.
Circuit Integrity Rating ✔✔Minimum fire resistance rating of 2 hours.
Grounding Pipe Depth ✔✔Water pipe must be buried 10 feet deep.
Battery Recharge Time ✔✔Recharge within 24 hours after discharge.
Battery Date Requirement ✔✔Must display month/year on booster panel.
, Ground Fault Delay Time ✔✔Delay set at 90 seconds at main panel.
Ceiling Smoothness Criteria ✔✔Beams must not project more than 4 inches.
Alarm Signal Duration ✔✔Must last at least 5 minutes.
Circuit Integrity Monitoring ✔✔Monitored by voltage loss or small current.
Conductor Size Requirement ✔✔Stranded conductors for sizes 6 AWG or larger.
Smoke Detector Temperature Limit ✔✔Cannot be installed below 32 degrees
Fahrenheit.
Minimum Grounding Conductor Size ✔✔Telecommunications circuits require #10
grounding conductor.
Central Station Power Supply ✔✔Must provide 24 hours standby and 5 minutes alarm.
Smoke detectors testing frequency ✔✔Tested weekly, monthly, quarterly, or annually.
Fire alarm notification appliances ✔✔Includes bells, horns, strobes, LCD displays.
Minimum smoke alarms in dwelling ✔✔A 2-story home requires at least 3 alarms.
Water temperature supervisory device ✔✔Signals below 32 degrees F for freezing
conditions.
Class A circuits ✔✔Outgoing and return conductors in one conduit.
Wet pipe sprinkler system supervision ✔✔Monitors air pressure and valve position.
Waterflow switches testing frequency ✔✔Tested weekly, monthly, quarterly,
semiannually, or annually.
Heat-sensing fire detector classification ✔✔175 - 249 degrees F is medium
temperature.
Visible notification appliances spacing ✔✔Maximum 15 ft apart, not exceeding 100 ft.
Notification appliance circuit condition ✔✔Reverse polarity indicates alarm condition.
Off-normal suppression system indication ✔✔Alarm, trouble, or supervisory signal
alerts.
