NICET LEVEL 1 WATER BASED LAYOUT EXAM 100% PASS QUESTIONS WITH DETAILED ANSWERS | A+ GRADE ASSURED // LATEST
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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. - ANS 1 2/2 in. (ref. NFPA 13 2016 Sec. 9.2.1.1.2.
While conducting a flow test, the chosen hydrant should be ______ - ANS As close to ...
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100% PASS QUESTIONS
WITH DETAILED
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ANSWERS | A+ GRADE
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ASSURED // LATEST
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, 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. - ANS 1 2/2 in. (ref. NFPA 13 2016
Sec. 9.2.1.1.2.
While conducting a flow test, the chosen hydrant should be ______ - ANS 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? -
ANS K = Q / (Square root of P)
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What best describes a tree system? - ANS 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: - ANS Quantity and combustibility of
contents are moderate to high.
with high heat release do not exceed 8 ft
(Ref NFPA 13 Sec. 5.3.2)
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Stockpiles of contents with moderate rates of heat release do not exceed 12 ft and stockpiles
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Which of the following standards contain reqs. pertaining to the installation of underground
piping? - ANS NFPA 13 & 24 (Both in Chapter 10)
Which of the following should you inspect on an extension cord before each use? - ANS The
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grounding prong & the insulation for nicks, cuts, or damage
________ indicates a mandatory req. according to NFPA definitions. - ANS Shall.
(Ref. NFPA 13 2016, Sec. 3.2.4.)
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100 GPM is flowing through 100' of 1 1/4 in. Sch. 40 pipe. How many feet of 1 1/2 in. pipe will
produce the same friction loss? - ANS Assume this is Schedule 40 pipe, C = 120. Use the
Hazen-Williams formula to calculate the friction loss for the 1 ¼ in. pipe and the 1 ½ in. pipe.
For 1 ¼ in. pipe (ID = 1.38):
P friction loss = 4.52 x Q 1.85
c 1.85 x d 4.87
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