Nevada (NV) C-10b Landscape Irrigation Exam
Actual Test Questions and Correct Answers
With Rationales LATEST THIS YEAR
Nevada (NV) C-10b Landscape Irrigation Exam
Exam Coverage Summary
The Nevada C-10b Landscape Irrigation classification is a subcategory of the C-10 Landscape Contractor
license, specifically authorizing work on irrigation and drainage systems. The exam tests knowledge of
Nevada State Contractors Board (NSCB) regulations (NRS Chapter 624), irrigation system design and
hydraulics, backflow prevention (including RPZ, PVB, and AVB devices), water conservation strategies
(including xeriscaping principles), hydraulic calculations (Hazen-Williams formula, precipitation rates,
velocity limits), drip irrigation components and filtration, pipe materials (Schedule 40 PVC,
polyethylene), sprinkler types and spacing, electrical controls (solenoid valves, controllers, wire sizing),
Nevada-specific water regulations, safety requirements (OSHA trenching), and system
startup/winterization procedures. The license requires 4 years of experience within the last 15 years, a
$10,000 surety bond, and licensing for jobs exceeding $1,000 or requiring permits.
Question 1
Which Nevada State Contractors Board (NSCB) classification permits a contractor to perform irrigation
system installation and maintenance?
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A) C-1
B) C-5
C) C-10
D) C-20
Correct Answer: C
*Summary Rationale: The C-10 license is the specific classification for Landscape Contractors. Within this
classification, the C-10b designation specifically covers irrigation and drainage systems.*
Question 2
What is the minimum surety bond amount required for a Nevada C-10 contractor?
A) $5,000
B) $10,000
C) $15,000
D) $25,000
Correct Answer: B
*Summary Rationale: Nevada law mandates a $10,000 bond for all C-10 licensees to protect consumers
against contractor defaults.*
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Question 3
A qualifying individual for a C-10 license must have at least how many years of verifiable experience in
landscape construction?
A) 2 years
B) 3 years
C) 4 years
D) 5 years
Correct Answer: C
Summary Rationale: The qualifying individual must have at least 4 full years of experience at a
journeyman level in the classification within the 15 years immediately preceding the application.
Question 4
What is the dollar threshold for requiring a licensed contractor for irrigation work in Nevada?
A) Any job over $500
B) Any job over $1,000 or requiring a permit
C) Any job over $2,500
D) Any job regardless of amount
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Correct Answer: B
Summary Rationale: The Nevada State Contractors Board requires contractors to be licensed if a job is
$1,000 or more or if the job requires a building permit.
Question 5
Which of the following actions would most likely result in immediate suspension of a C-10 license?
A) Failing to renew the license on time
B) Performing work without a written contract
C) Contracting for electrical work without a C-2 license
D) Submitting inaccurate financial statements to the Board
Correct Answer: C
*Summary Rationale: Performing work outside the scope of the C-10 classification, such as high-voltage
electrical work, is a prohibited act that can trigger immediate suspension.*
Question 6
Under Nevada law, how many days after completing a landscape project must a contractor provide a
written warranty to the owner?
A) 7 days