WorksheetsICIT: Revision (Fire Alarm)
Total questions: 30
Worksheet time: 15mins
A fire alarm system is required in a building for
protection of life.
protection of earth fault.
protection of short-circuit.
protection of overload.
The purpose of a fire alarm is to provide an immediate alarm and so
prevent loss of life
prevent spared of fire.
eanble the staff to isolate the zone.
enable staff to rectify the fault.
The colour for all fire alarm panels, bells, conduit, trunking and manual call points shall be
RED
BLUE
GREEN
YELLOW
The purpose of a fire alarm is to Secure the immediate attention of fire fighting staff / authority
True
False
The type of system is determined by the type of remoteactuating device employed, namely:
close-circuit system and open-circuit system.
Series circuit system and paralle circuit sytem.
star-connected system and delta connected system.
ring circuit system and radia circuit system.
If an alarm condition is identified then the main alram panel
activates the sounders
turn-on all lighting.
trip the main supply intake
turn-off all lighting.
The fire alarm panel must always be situated in a position where the FireBrigade can easily see and find it.
True
False
The color used for fire alarm indication is
red
blue
green
yellow
The color for system fault indication in fire alarm system is
red
blue
yellow
green
The color used for System energization indication in fire alarm system is
red
blue
green
yellow
The color used for Isolate indicator in fire alarm system must be any colour other than
red
green
blue and yellow
red and green.
The Isolation facility in the fire alarm system is to
isolate alarm zone.
test the fire alarm system.
activate the sounder.
reset the alram system
Isolation facility can only access by building management appointedauthorised personnel.
True
False
The indicating lamps of a fire alram panel used two filament lamps connected in
delta.
star.
series.
parallel.
The fire alarm panel of the fire alarm system monitors the detection wiring and devices for faults and operation.
True
False
The connections of fire service signalling transmitter completely enclosedand not accessible to unauthorised persons
True
False
A separate alarm zone shall be provided of protected floor area for every
1000m2
2000m2
3000m2
4000m2
A separate alarm zone is required for each fire compartment and each
room.
floor.
school.
department.
The detectors used in a fire alarm system are automatic detectors and used to constantly monitor the surroundings.
True.
False.
identify the part used in the fire alarm system.
Exit point.
Flame Detector.
Smoke Detector.
Manual Call Point.
The capacity of the battery in the fire alarm system shall be able to maintain the system for at least
1 hour.
6 hour.
12 hour.
24 hour.
The battery capacity must able to supplying the full emergency evacuation alarm load for a period of at least
5 minutes.
10 minutes.
30 minutes.
60 minutes.
PVC insulated cable shall not be used in where the ambienttemperature likely to exceed
45ºC.
65ºC.
75ºC.
95ºC.
Rigid PVC conduit system may be used situations in less than
50ºC .
60ºC .
70ºC .
90ºC .
The Code of Practice for Installation and Servicing of Electrical Fire Alarm Systems is
SS 638:2018
SS 641:2019
SS 645 : 2019
SS 650 - 1 : 2019
Identify the symbol used in fire alarm system.
flame detector.
heat detector.
smoke detector.
manual call point.
identify the symbol used in fire alarm system
auto detector.
heat detector.
smoke detector.
manual call point.
PVC insulated cable for fire alarm system shall be laid in
PVC conduit
PVC trunking
metal conduit
metal cable tray
Identify the fire alarm system component shown below.
Beam Sensor
heat detactor
Smoke Detector
Manual Call Point
The colour for fault indicator designated "Fault" is
blue
green
red
yellow
