NFPA 10 Final Exam Version 1 Preparation Newest With
Complete 100 Questions And Correct Detailed Answers|
Brand New Version!
Gridded dry pipe systems shall not be installed. True or false - ANSWER-True
Heat tape may be used in lieu of heated valve enclosures to protect the dry pipe valve and supply pipe
against freezing. True or false - ANSWER-False
In an antifreeze system where pendant sprinklers are utilized, the water shall be drained from the entire
system including any drops after hydrostatic testing with water. True or false - ANSWER-True
System piping can be used to support a preaction system pilot line. True or false - ANSWER-True
The floor control valves at each level of a 12 story building have 1 1/4" drain connection. The drains
are tied into a common drain riser. The minimum size of the riser is 1 1/2". True or false - ANSWER-
True
40' of cross main on a dry system in the freezer must have a pitch of 1 inch. True or false - ANSWER-
False
The capacity of a trapped dry system is 10 gallons. The minimum drainage facility required is a
3/4"valve and plug. True or false - ANSWER-False
There is no limit to the size of a dry system provided it can supply water to the inspectors test within 60
seconds. True or false - ANSWER-True
Any listed accelerator maybe used in combination with any listed differential type dry pipe valve. True
or false - ANSWER-False
When resetting a valve, a thin coating of grease may be applied to the valves seats. True or false -
ANSWER-False
The use of reconditioned valves and devices as replacement equipment in existing systems shall not be
permitted. True or false - ANSWER-False
Reconditioned sprinklers shall be permitted to be utilized on any new or existing system. True or false -
ANSWER-False
Components that do not affect system performance such as drain piping, drain valves, and signs shall
not be required to be listed. True or false - ANSWER-True
1
,All joints for the connection of copper tube shall be brazed. True or false - ANSWER-False
System size on a dry system shall be such the initial water is discharge from the system test connection
and not more than______ seconds, starting at the normal air pressure on the system and at the time of
fully open inspection test connection.
A) 30
B) 45
C) 60
D) 120 - ANSWER-60
Valve rooms shall be _______
A) heated
B) lighted and heated
C) heated with floor drain installed
D) heated and ventilated - ANSWER-Lighted and heated
Air supply shall have the capacity capable of restoring normal air pressure to the system within...
A) 15 minutes
B) 60 minutes
C) 45 minutes
D) 30 minutes - ANSWER-30 minutes
The requirements of 7.2.6.2.2 shall not apply In refrigerated spaces maintained below 5°F, where
normal system air pressure shall be permitted to be restored within ______.
A) 15 minutes
B) 30 minutes
C) 45 minutes
D) 60 minutes - ANSWER-60 minutes
All components of pneumatic, hydraulic, or electrical systems _______ be compatible.
A) should
B) may
C) recommended to
D) shall - ANSWER-Shall
In a refrigerated space the removable length of pipe passing through the wall required in 7.9.2.1.1 shall
be a minimum of _______ inches.
A) 24
B) 30
C) 36
D) 48 - ANSWER-30
What indicates a mandatory requirement.
2
,A) should
B) shall
C) mandated
D) recommended - ANSWER-Shall
A sprinkler system in which pipe sizes are selected on a pressure loss basis to provide a prescribed
water density, in gallons per minute per square foot, or prescribed minimum discharge pressure or flow
per sprinkler, distributed with a reasonable degree of uniformity over a specified area.
A) Hydraulically Designed System
B) Multi-Cycle System
C) Looped Sprinkler System
D) Gridded System - ANSWER-Hydraulically Designed System
A sprinkler system employing automatic sprinklers that are attached to a piping system containing air
or nitrogen under pressure, the release of which (as from the opening of a sprinkler) permits the water
pressure to open a valve, and the water then flows into the piping system and out in the open sprinklers.
A) Circulating Closed-Loop Sprinkler System
B) Dry Pipe Sprinkler System
C) Antifreeze Sprinkler System
D) Preaction Sprinkler System - ANSWER-Dry Pipe Sprinkler System
This occupancy shall be defined as occupancies or portions of other occupancies where the quantity
and/or combustibility of contents is low and fires with relatively low rates of heat release are expected.
A) Extra Hazard (group 2)
B) Light Hazard
C) Ordinary Hazard (group 1)
D) Extra Hazard (group 2) - ANSWER-Light Hazard
Solid-piled, palletized, rack storage, bin box, and shelf storage in excess of 12 ft(3.7 m) in height.
A) Miscellaneous Storage
B) Open-Top Container
C) High-Piled Storage
D) Reinforced Plastic Pallet - ANSWER-High-Piled Storage
This occupancy shall be defined as occupancies or portions of other occupancies were the quantity and
combustibility of contents are very high and dust, lint, or other materials are present, introducing the
probability of rapidly developing fires with high rates of heat release but with little or no combustible
or flammable liquids.
A) Extra Hazard (group 1)
B) Ordinary Hazard (group 1)
C) Light Hazard
3
, D) Ordinary Hazard ( group 2) - ANSWER-Extra Hazard (group 1)
A sprinkler system in which the pipe sizing is selected from a schedule that is determined by the
occupancy classification and in which a given number of sprinklers are allowed to be supplied from
specific sizes of pipe.
A) Hydraulically Designed System
B) Multi-Cycle System
C) Gridded System
D) Pipe Schedule System - ANSWER-Pipe Schedule System
What indicates a recommendation or that which is advised but not required.
A) Should
B) Shall
C) Listed
D) Approved - ANSWER-Should
Acceptable to the authority having jurisdiction is the definition of what.
A) should
B) shall
C) listed
D) approved - ANSWER-Approved
A sprinkler system employing automatic sprinklers attached to a piping system containing water and
connected to a water supply so that water discharges immediately from sprinklers opened by heat from
a fire.
A) Dry Pipe Sprinkler System
B) Preaction Sprinkler System
C) Wet Pipe Sprinkler System
D) Antifreeze Sprinkler System - ANSWER-Wet Pipe Sprinkler System
The stock of spare sprinklers for protected facilities having under 300 sprinklers shall be .
A) 3
B) 6
C) 12
D) 24 - ANSWER-6
Listed indicating valves shall not close in less than ______ when operated at maximum possible speed
from the fully open position.
A) 30 seconds
B) 1 minute
C) 5 seconds
4
Complete 100 Questions And Correct Detailed Answers|
Brand New Version!
Gridded dry pipe systems shall not be installed. True or false - ANSWER-True
Heat tape may be used in lieu of heated valve enclosures to protect the dry pipe valve and supply pipe
against freezing. True or false - ANSWER-False
In an antifreeze system where pendant sprinklers are utilized, the water shall be drained from the entire
system including any drops after hydrostatic testing with water. True or false - ANSWER-True
System piping can be used to support a preaction system pilot line. True or false - ANSWER-True
The floor control valves at each level of a 12 story building have 1 1/4" drain connection. The drains
are tied into a common drain riser. The minimum size of the riser is 1 1/2". True or false - ANSWER-
True
40' of cross main on a dry system in the freezer must have a pitch of 1 inch. True or false - ANSWER-
False
The capacity of a trapped dry system is 10 gallons. The minimum drainage facility required is a
3/4"valve and plug. True or false - ANSWER-False
There is no limit to the size of a dry system provided it can supply water to the inspectors test within 60
seconds. True or false - ANSWER-True
Any listed accelerator maybe used in combination with any listed differential type dry pipe valve. True
or false - ANSWER-False
When resetting a valve, a thin coating of grease may be applied to the valves seats. True or false -
ANSWER-False
The use of reconditioned valves and devices as replacement equipment in existing systems shall not be
permitted. True or false - ANSWER-False
Reconditioned sprinklers shall be permitted to be utilized on any new or existing system. True or false -
ANSWER-False
Components that do not affect system performance such as drain piping, drain valves, and signs shall
not be required to be listed. True or false - ANSWER-True
1
,All joints for the connection of copper tube shall be brazed. True or false - ANSWER-False
System size on a dry system shall be such the initial water is discharge from the system test connection
and not more than______ seconds, starting at the normal air pressure on the system and at the time of
fully open inspection test connection.
A) 30
B) 45
C) 60
D) 120 - ANSWER-60
Valve rooms shall be _______
A) heated
B) lighted and heated
C) heated with floor drain installed
D) heated and ventilated - ANSWER-Lighted and heated
Air supply shall have the capacity capable of restoring normal air pressure to the system within...
A) 15 minutes
B) 60 minutes
C) 45 minutes
D) 30 minutes - ANSWER-30 minutes
The requirements of 7.2.6.2.2 shall not apply In refrigerated spaces maintained below 5°F, where
normal system air pressure shall be permitted to be restored within ______.
A) 15 minutes
B) 30 minutes
C) 45 minutes
D) 60 minutes - ANSWER-60 minutes
All components of pneumatic, hydraulic, or electrical systems _______ be compatible.
A) should
B) may
C) recommended to
D) shall - ANSWER-Shall
In a refrigerated space the removable length of pipe passing through the wall required in 7.9.2.1.1 shall
be a minimum of _______ inches.
A) 24
B) 30
C) 36
D) 48 - ANSWER-30
What indicates a mandatory requirement.
2
,A) should
B) shall
C) mandated
D) recommended - ANSWER-Shall
A sprinkler system in which pipe sizes are selected on a pressure loss basis to provide a prescribed
water density, in gallons per minute per square foot, or prescribed minimum discharge pressure or flow
per sprinkler, distributed with a reasonable degree of uniformity over a specified area.
A) Hydraulically Designed System
B) Multi-Cycle System
C) Looped Sprinkler System
D) Gridded System - ANSWER-Hydraulically Designed System
A sprinkler system employing automatic sprinklers that are attached to a piping system containing air
or nitrogen under pressure, the release of which (as from the opening of a sprinkler) permits the water
pressure to open a valve, and the water then flows into the piping system and out in the open sprinklers.
A) Circulating Closed-Loop Sprinkler System
B) Dry Pipe Sprinkler System
C) Antifreeze Sprinkler System
D) Preaction Sprinkler System - ANSWER-Dry Pipe Sprinkler System
This occupancy shall be defined as occupancies or portions of other occupancies where the quantity
and/or combustibility of contents is low and fires with relatively low rates of heat release are expected.
A) Extra Hazard (group 2)
B) Light Hazard
C) Ordinary Hazard (group 1)
D) Extra Hazard (group 2) - ANSWER-Light Hazard
Solid-piled, palletized, rack storage, bin box, and shelf storage in excess of 12 ft(3.7 m) in height.
A) Miscellaneous Storage
B) Open-Top Container
C) High-Piled Storage
D) Reinforced Plastic Pallet - ANSWER-High-Piled Storage
This occupancy shall be defined as occupancies or portions of other occupancies were the quantity and
combustibility of contents are very high and dust, lint, or other materials are present, introducing the
probability of rapidly developing fires with high rates of heat release but with little or no combustible
or flammable liquids.
A) Extra Hazard (group 1)
B) Ordinary Hazard (group 1)
C) Light Hazard
3
, D) Ordinary Hazard ( group 2) - ANSWER-Extra Hazard (group 1)
A sprinkler system in which the pipe sizing is selected from a schedule that is determined by the
occupancy classification and in which a given number of sprinklers are allowed to be supplied from
specific sizes of pipe.
A) Hydraulically Designed System
B) Multi-Cycle System
C) Gridded System
D) Pipe Schedule System - ANSWER-Pipe Schedule System
What indicates a recommendation or that which is advised but not required.
A) Should
B) Shall
C) Listed
D) Approved - ANSWER-Should
Acceptable to the authority having jurisdiction is the definition of what.
A) should
B) shall
C) listed
D) approved - ANSWER-Approved
A sprinkler system employing automatic sprinklers attached to a piping system containing water and
connected to a water supply so that water discharges immediately from sprinklers opened by heat from
a fire.
A) Dry Pipe Sprinkler System
B) Preaction Sprinkler System
C) Wet Pipe Sprinkler System
D) Antifreeze Sprinkler System - ANSWER-Wet Pipe Sprinkler System
The stock of spare sprinklers for protected facilities having under 300 sprinklers shall be .
A) 3
B) 6
C) 12
D) 24 - ANSWER-6
Listed indicating valves shall not close in less than ______ when operated at maximum possible speed
from the fully open position.
A) 30 seconds
B) 1 minute
C) 5 seconds
4
