Z51 Supervision of Smoke Control Systems
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1. What is the primary purpose of a smoke control system?
A. To extinguish a fire automatically
B. To remove heat from electrical equipment
C. To control the movement of smoke and protect occupants during evacuation
D. To increase oxygen inside a building
Answer: C
Smoke control systems are designed to limit smoke migration, maintain tenable
exit paths, and assist firefighter operations during emergencies.
2. A Smoke Control System is normally activated by:
A. A sprinkler head only
,B. Manual activation only
C. Fire alarm system, manual controls, or automatic programmed sequence
D. Security cameras
Answer: C
Smoke control systems may be activated automatically through the fire alarm
system or manually from approved control stations.
3. Which statement best describes smoke?
A. Smoke is harmless if the flames are small.
B. Smoke is the leading cause of fire-related deaths.
C. Smoke always rises and never travels horizontally.
D. Smoke cannot enter stairwells.
Answer: B
Smoke contains toxic gases, reduces visibility, and is responsible for most fire
fatalities.
4. The main objective of stair pressurization is to:
A. Increase elevator speed
B. Prevent smoke from entering exit stairways
C. Cool the stair enclosure
D. Increase sprinkler pressure
Answer: B
Pressurization maintains higher air pressure inside stairwells, preventing smoke
infiltration.
5. During an emergency, smoke control system status should primarily be
monitored from the:
,A. Security office
B. Fire Command Center
C. Loading dock
D. Mechanical room
Answer: B
The Fire Command Center provides operators with system status, alarms, and
manual controls.
6. Dampers used in smoke control systems are intended to:
A. Increase water pressure
B. Control airflow through ducts
C. Activate sprinklers
D. Supply emergency lighting
Answer: B
Smoke dampers open or close to direct or restrict airflow, helping manage smoke
movement.
7. Fans used in smoke exhaust systems are designed to:
A. Supply drinking water
B. Remove smoke from designated areas
C. Increase electrical power
D. Operate elevators
Answer: B
Smoke exhaust fans extract smoke from fire areas, improving visibility and
reducing hazardous conditions.
, 8. Which document should an operator understand before supervising a
smoke control system?
A. Employee handbook only
B. Building smoke control sequence of operation
C. Parking regulations
D. Elevator inspection report
Answer: B
The sequence of operation explains how the smoke control system responds
during various emergency conditions.
9. Smoke detectors primarily detect:
A. Water flow
B. Smoke particles or combustion products
C. Heat only
D. Gas pressure
Answer: B
Smoke detectors sense products of combustion and initiate appropriate fire alarm
responses.
10.A supervisory signal generally indicates:
A. Fire has been extinguished
B. A system condition requiring attention but not necessarily a fire
C. Power has permanently failed
D. Building evacuation is complete
Answer: B
– Full Mock Examination Newest (2025 -
2026 Update) From Real Past Papers
Questions – A Set Of 100 Most Common
Exam Frequently Tested Questions And
Answers In Details 100% Verified Exam
Highly Recommendable Grade A+ (Verified
Answers) Plus Rationales | Instant
Download Pdf
1. What is the primary purpose of a smoke control system?
A. To extinguish a fire automatically
B. To remove heat from electrical equipment
C. To control the movement of smoke and protect occupants during evacuation
D. To increase oxygen inside a building
Answer: C
Smoke control systems are designed to limit smoke migration, maintain tenable
exit paths, and assist firefighter operations during emergencies.
2. A Smoke Control System is normally activated by:
A. A sprinkler head only
,B. Manual activation only
C. Fire alarm system, manual controls, or automatic programmed sequence
D. Security cameras
Answer: C
Smoke control systems may be activated automatically through the fire alarm
system or manually from approved control stations.
3. Which statement best describes smoke?
A. Smoke is harmless if the flames are small.
B. Smoke is the leading cause of fire-related deaths.
C. Smoke always rises and never travels horizontally.
D. Smoke cannot enter stairwells.
Answer: B
Smoke contains toxic gases, reduces visibility, and is responsible for most fire
fatalities.
4. The main objective of stair pressurization is to:
A. Increase elevator speed
B. Prevent smoke from entering exit stairways
C. Cool the stair enclosure
D. Increase sprinkler pressure
Answer: B
Pressurization maintains higher air pressure inside stairwells, preventing smoke
infiltration.
5. During an emergency, smoke control system status should primarily be
monitored from the:
,A. Security office
B. Fire Command Center
C. Loading dock
D. Mechanical room
Answer: B
The Fire Command Center provides operators with system status, alarms, and
manual controls.
6. Dampers used in smoke control systems are intended to:
A. Increase water pressure
B. Control airflow through ducts
C. Activate sprinklers
D. Supply emergency lighting
Answer: B
Smoke dampers open or close to direct or restrict airflow, helping manage smoke
movement.
7. Fans used in smoke exhaust systems are designed to:
A. Supply drinking water
B. Remove smoke from designated areas
C. Increase electrical power
D. Operate elevators
Answer: B
Smoke exhaust fans extract smoke from fire areas, improving visibility and
reducing hazardous conditions.
, 8. Which document should an operator understand before supervising a
smoke control system?
A. Employee handbook only
B. Building smoke control sequence of operation
C. Parking regulations
D. Elevator inspection report
Answer: B
The sequence of operation explains how the smoke control system responds
during various emergency conditions.
9. Smoke detectors primarily detect:
A. Water flow
B. Smoke particles or combustion products
C. Heat only
D. Gas pressure
Answer: B
Smoke detectors sense products of combustion and initiate appropriate fire alarm
responses.
10.A supervisory signal generally indicates:
A. Fire has been extinguished
B. A system condition requiring attention but not necessarily a fire
C. Power has permanently failed
D. Building evacuation is complete
Answer: B
