FDNY S12 Exam Study Questions
with Correct Answers
1. When a sprinkler head opens - ANSWER It is said to be fused
2. Minimum air pressure inside a pressure tank - ANSWER 75 psi
3. Height a gravity tank should be above highest sprinkler heads it supplies -
ANSWER 25 feet
4. Frequency for replacing gauges - ANSWER Every 5 years
5. Number of spare sprinkler heads required when under 300 sprinklers -
ANSWER 6
6. Number of spare sprinkler heads required when there are 300 to 1000
sprinklers - ANSWER 12
7. Number of spare sprinkler heads required when there are over 1000
sprinklers - ANSWER 24
8. Size of threaded rod required for pipe hangars 4 inches and smaller -
ANSWER 3/8 inch
9. Size of threaded rod required for pipe hangars 5, 6, and 8 inch - ANSWER
1/2 inch
,10.Size of threaded rod required for pipe hangars for 10 and 12 inch -
ANSWER 5/8 inch
11.Minimum distance to maintain from sprinkler head to any storage in a room
- ANSWER 18 inches
12.Frequency of inspection for proper number of heads and wrenches in
sprinkler systems - ANSWER Annually
13.Temperature maintained inside the fire pump room - ANSWER Ab
Antifreeze Sprinkler System - ANSWER A wet pipe sprinkler system
employing automatic sprinklers that are attached to a piping system that
contains an antifreeze solution and is connected to a water supply;
discharged followed by water, immediately upon operation of sprinklers
opened by heat from a fire
14.Automatic Ball Drip - ANSWER An automatic drain valve horizontally
installed at the low point in the piping between the lower check valve and
the FD connection of automatic sprinkler systems. Water pressure from a FD
pumper automatically closes this value. It automatically re-opens when
pressure ceases, permitting this piping to drain and thereby preventing
freezing
15.Central Station - ANSWER facility that receives alarm signals from a
protected premises and retransmits or otherwise reports such alarm signals to
the department
16.Combination Standpipe and Sprinkler System - ANSWER a system where
the water piping services both 2.5 in. outlets for fire department use and
outlets for automatic sprinklers
, 17.Concealed Sprinkler - ANSWER A recessed sprinkler with a cover plate
18.Controle Mode Specific Application Sprinklers - ANSWER Control mode
sprinkler systems are designed to control a fire until its original fuel source
is depleted or until fire-fighting activities can commence. A fire is controlled
by cooling the ceiling-level air temperatures, reducing the fire's rate of heat
release and pre-wetting adjacent combustiblesove 40 degrees F
19.Distance fire department connections shall be free of obstructions -
ANSWER 3 feet in both directions
20.Duration of the weekly test for a diesel fire pump - ANSWER 30 minutes
21.Duration of the weekly test for an electric fire pump - ANSWER 10 minutes
22.Type of sprinkler head that has been recalled - ANSWER A cycling
sprinkler head
23.Frequency of lubrication for the stem of an OS&Y valve - ANSWER
Annually
24.Fire Alarm System - ANSWER any system of components and circuits
arranged to monitor and annunciate the status of fire alarm or supervisory
signal-initiating services
25.Fire Department Connection - ANSWER A connection through which the
fire department can pump supplemental water into the sprinkler system,
with Correct Answers
1. When a sprinkler head opens - ANSWER It is said to be fused
2. Minimum air pressure inside a pressure tank - ANSWER 75 psi
3. Height a gravity tank should be above highest sprinkler heads it supplies -
ANSWER 25 feet
4. Frequency for replacing gauges - ANSWER Every 5 years
5. Number of spare sprinkler heads required when under 300 sprinklers -
ANSWER 6
6. Number of spare sprinkler heads required when there are 300 to 1000
sprinklers - ANSWER 12
7. Number of spare sprinkler heads required when there are over 1000
sprinklers - ANSWER 24
8. Size of threaded rod required for pipe hangars 4 inches and smaller -
ANSWER 3/8 inch
9. Size of threaded rod required for pipe hangars 5, 6, and 8 inch - ANSWER
1/2 inch
,10.Size of threaded rod required for pipe hangars for 10 and 12 inch -
ANSWER 5/8 inch
11.Minimum distance to maintain from sprinkler head to any storage in a room
- ANSWER 18 inches
12.Frequency of inspection for proper number of heads and wrenches in
sprinkler systems - ANSWER Annually
13.Temperature maintained inside the fire pump room - ANSWER Ab
Antifreeze Sprinkler System - ANSWER A wet pipe sprinkler system
employing automatic sprinklers that are attached to a piping system that
contains an antifreeze solution and is connected to a water supply;
discharged followed by water, immediately upon operation of sprinklers
opened by heat from a fire
14.Automatic Ball Drip - ANSWER An automatic drain valve horizontally
installed at the low point in the piping between the lower check valve and
the FD connection of automatic sprinkler systems. Water pressure from a FD
pumper automatically closes this value. It automatically re-opens when
pressure ceases, permitting this piping to drain and thereby preventing
freezing
15.Central Station - ANSWER facility that receives alarm signals from a
protected premises and retransmits or otherwise reports such alarm signals to
the department
16.Combination Standpipe and Sprinkler System - ANSWER a system where
the water piping services both 2.5 in. outlets for fire department use and
outlets for automatic sprinklers
, 17.Concealed Sprinkler - ANSWER A recessed sprinkler with a cover plate
18.Controle Mode Specific Application Sprinklers - ANSWER Control mode
sprinkler systems are designed to control a fire until its original fuel source
is depleted or until fire-fighting activities can commence. A fire is controlled
by cooling the ceiling-level air temperatures, reducing the fire's rate of heat
release and pre-wetting adjacent combustiblesove 40 degrees F
19.Distance fire department connections shall be free of obstructions -
ANSWER 3 feet in both directions
20.Duration of the weekly test for a diesel fire pump - ANSWER 30 minutes
21.Duration of the weekly test for an electric fire pump - ANSWER 10 minutes
22.Type of sprinkler head that has been recalled - ANSWER A cycling
sprinkler head
23.Frequency of lubrication for the stem of an OS&Y valve - ANSWER
Annually
24.Fire Alarm System - ANSWER any system of components and circuits
arranged to monitor and annunciate the status of fire alarm or supervisory
signal-initiating services
25.Fire Department Connection - ANSWER A connection through which the
fire department can pump supplemental water into the sprinkler system,
