Sprinkler Test 2025/2026 Exam
Questions and Verified Answers |
Already Graded A+
Class 1 commodity is more combustible then class 3 - 🧠 ANSWER
✔✔False
All holes for lag screws shall be pre-drilled __________ inch less in
diameter than the max. root diameter of the lag screw thread. - 🧠 ANSWER
✔✔1/8in
Coach screws shall not be used for support of pipes larger than ________
inch in diameter. - 🧠 ANSWER ✔✔4
Distance between supports on a riser shall not exceed _________ feet. - 🧠
ANSWER ✔✔25ft
Fire department connections shall be installed so that they are located not
less than ______ nor more than ______ above the level of the adjoining
ground, sidewalk, or grade surface. - 🧠 ANSWER ✔✔18in , 48in
1
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
,Flexible couplings shall be installed on risers within_____ inches above
and _____ inches below the floor in multi-story buildings. - 🧠 ANSWER
✔✔12in and 24in
For ESFR sprinklers, the clearance between the deflector and the top of
storage shall be ____ inches or greater - 🧠 ANSWER ✔✔36in
For extra hazard occupancies, the maximum distance between sprinklers
shall not exceed ______ feet - 🧠 ANSWER ✔✔12ft
Hangers shall be designed to support _______ times the weight of water-
filled pipe plus ________ at each point of piping support. - 🧠 ANSWER
✔✔5 and 250
Hose connections and hose stations shall be unobstructed and shall be
located not less than ______ nor more than ______ above the floor.
Answers - 🧠 ANSWER ✔✔36in, 60in
How high can storage be before it is considered high-piled storage? - 🧠
ANSWER ✔✔12ft
How shall the sprinkler head protecting the dry pipe valve enclosure be
fed? - 🧠 ANSWER ✔✔From the dry side of the system
2
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
, In residential applications, fire department connections are required to be a
minimum of _______ in size. - 🧠 ANSWER ✔✔1 1/2"
Is the use of reconditioned valves and devices as replacement equipment
in existing systems allowed? - 🧠 ANSWER ✔✔Yes
Joints for the connection of copper pipe an fittings on dry and preaction
systems shall be brazed. - 🧠 ANSWER ✔✔True
Lateral sway bracing shall be spaced at a minimum of __________ feet on
center on all feed and cross mains regardless of size and on all piping 2
1/2" and larger - 🧠 ANSWER ✔✔40ft
Lateral sway bracing shall not apply to pipes individually supported by rods
less than ______ inches long measured between the top of the pipe and
the point of attachment to the building structure. - 🧠 ANSWER ✔✔6in
Longitudinal sway bracing spaced at a maximum of ________ feet on
center shall be provided for feed and cross mains. - 🧠 ANSWER ✔✔80ft
No clearance is required if flexible couplings are located within _____ each
side of a wall, floor, platform, or foundation. - 🧠 ANSWER ✔✔12in
3
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
Questions and Verified Answers |
Already Graded A+
Class 1 commodity is more combustible then class 3 - 🧠 ANSWER
✔✔False
All holes for lag screws shall be pre-drilled __________ inch less in
diameter than the max. root diameter of the lag screw thread. - 🧠 ANSWER
✔✔1/8in
Coach screws shall not be used for support of pipes larger than ________
inch in diameter. - 🧠 ANSWER ✔✔4
Distance between supports on a riser shall not exceed _________ feet. - 🧠
ANSWER ✔✔25ft
Fire department connections shall be installed so that they are located not
less than ______ nor more than ______ above the level of the adjoining
ground, sidewalk, or grade surface. - 🧠 ANSWER ✔✔18in , 48in
1
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
,Flexible couplings shall be installed on risers within_____ inches above
and _____ inches below the floor in multi-story buildings. - 🧠 ANSWER
✔✔12in and 24in
For ESFR sprinklers, the clearance between the deflector and the top of
storage shall be ____ inches or greater - 🧠 ANSWER ✔✔36in
For extra hazard occupancies, the maximum distance between sprinklers
shall not exceed ______ feet - 🧠 ANSWER ✔✔12ft
Hangers shall be designed to support _______ times the weight of water-
filled pipe plus ________ at each point of piping support. - 🧠 ANSWER
✔✔5 and 250
Hose connections and hose stations shall be unobstructed and shall be
located not less than ______ nor more than ______ above the floor.
Answers - 🧠 ANSWER ✔✔36in, 60in
How high can storage be before it is considered high-piled storage? - 🧠
ANSWER ✔✔12ft
How shall the sprinkler head protecting the dry pipe valve enclosure be
fed? - 🧠 ANSWER ✔✔From the dry side of the system
2
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
, In residential applications, fire department connections are required to be a
minimum of _______ in size. - 🧠 ANSWER ✔✔1 1/2"
Is the use of reconditioned valves and devices as replacement equipment
in existing systems allowed? - 🧠 ANSWER ✔✔Yes
Joints for the connection of copper pipe an fittings on dry and preaction
systems shall be brazed. - 🧠 ANSWER ✔✔True
Lateral sway bracing shall be spaced at a minimum of __________ feet on
center on all feed and cross mains regardless of size and on all piping 2
1/2" and larger - 🧠 ANSWER ✔✔40ft
Lateral sway bracing shall not apply to pipes individually supported by rods
less than ______ inches long measured between the top of the pipe and
the point of attachment to the building structure. - 🧠 ANSWER ✔✔6in
Longitudinal sway bracing spaced at a maximum of ________ feet on
center shall be provided for feed and cross mains. - 🧠 ANSWER ✔✔80ft
No clearance is required if flexible couplings are located within _____ each
side of a wall, floor, platform, or foundation. - 🧠 ANSWER ✔✔12in
3
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
