Exam (elaborations)
NICET LEVEL 1 - WATER BASED LAYOUT QUESTIONS AND ANSWERS 2024
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NICET LEVEL 1 - WATER BASED LAYOUT QUESTIONS AND ANSWERS 2024
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NICET LEVEL 1 - WATER BASED LAYOUTIf a cross main in a ________ pipe sprinkler system has three branch lines per bay,
one intermediate hanger shall be permitted to be omitted, if a branch line hanger
is installed on the starter peice. - ANSWERS-Steel.
Reference NFPA 13 2016, Section 9.2.4.3.
NFPA 13 specifies the depth of cover fro underground pipe of a minimum of 2 1/2
ft, 3 ft. under driveways and 4 ft. under railroads tracks. However, it must be at
least 1ft. below the frost line. If the frost line is 2 1/2 ft, what is the minimum
depth of cover under a driveway? - ANSWERS-3 ½ ft.
Reference NFPA 13 2016, Section 10.4. If you are laying pipes under driveways,
you must go down a minimum of 3 ft. However, you must be at least 1 ft. below
the frost line. In this case that is 3 ½ ft.
Ordinary Hazard is a term that specifies: - ANSWERS-An occupancy classification,
More combustibility than light hazard, and A system area limitation of 52,000 ft 2
.
Reference NFPA 13 2016, Sections 5.3 and 8.2.1.
,What type of temperature is required for a sprinkler installed 2ft above a heating
duct? - ANSWERS-Intermediate.
Reference NFPA 13 2016, Table 8.3.2.5(a).
A three screw ceiling flange is used to attach the hangers for 6 in. Sch. 40 pipe. If 1
3/4" lag screws are used, what is the maximum spacing for the hangers? -
ANSWERS-10 ft.
Reference NFPA 13 2016, Section 9.1.5.2.2 - when 2 in. screws cannot be used, 1
¾ in. screws can be used if the maximum hanger spacing in 10 ft.
The owners info cert. indicates the property to be protected will contain nitrate
film. Which of the following is also req. to be provided? - ANSWERS-Type,
arrangement, location, and intended maximum quantities.
Reference NFPA 13 2016, Figure A.23.1(b).
Where the suction supply is under sufficient pressure to be of material value
without the pump, the pump shall be installed with a _________, which shall be
at least as large as the pipe size required for the discharge pipe. - ANSWERS-
Bypass.
Reference NFPA 20 2016, Section 4.15.4.
, Toggle hangers shall be permitted only for the support of pipe __________ inches
or smaller in size under ceilings of hollow tile or metal lath and plaster. -
ANSWERS-1 2/2 in. (ref. NFPA 13 2016 Sec. 9.2.1.1.2.
While conducting a flow test, the chosen hydrant should be ______ - ANSWERS-
As close to the property where the sprinkler system is being installed. (Ref, NFPA
13 Sec. A.24.2.2. or NFPA 291)
What formula is used to determine the discharge coefficiant relating pressure and
flow rate? - ANSWERS-K = Q / (Square root of P)
What best describes a tree system? - ANSWERS-Cross mains and the branch lines
are not tied together, providing only one path of water flow.
Factors that define Occupancy Group Hazard 2 include: - ANSWERS-Quantity and
combustibility of contents are moderate to high.
Stockpiles of contents with moderate rates of heat release do not exceed 12 ft
and stockpiles with high heat release do not exceed 8 ft
(Ref NFPA 13 Sec. 5.3.2)
Which of the following standards contain reqs. pertaining to the installation of
underground piping? - ANSWERS-NFPA 13 & 24 (Both in Chapter 10)
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