North Carolina Fire Sprinkler Contractor Class I
Exam QUESTIONS AND VERIFIED ANSWERS WITH
RATIONALES JUST RELEASED
North Carolina Fire Sprinkler Contractor Class I Exam — Summarized Coverage
The North Carolina Fire Sprinkler Contractor Class I Exam evaluates the knowledge required to install,
alter, inspect, test, maintain, and supervise fire sprinkler systems in accordance with North Carolina
regulations, NFPA standards, and applicable building and fire codes. The exam focuses on water-based
fire protection systems, hydraulic calculations, system design principles, installation requirements,
inspection procedures, and contractor responsibilities for commercial, industrial, and residential
occupancies.
• North Carolina fire sprinkler licensing laws and contractor responsibilities
• Scope of work and requirements for Class I Fire Sprinkler Contractors
• Applicable NFPA standards, codes, and enforcement authorities
• NFPA 13 Standard for the Installation of Sprinkler Systems
• NFPA 13R residential sprinkler system requirements
• NFPA 13D one- and two-family dwelling sprinkler requirements
• NFPA 25 inspection, testing, and maintenance requirements
• Water supply sources and fire protection water distribution systems
• Fire sprinkler system types (wet, dry, preaction, and deluge)
• Pipe schedules, system components, and installation requirements
• Sprinkler head classifications, temperature ratings, and applications
• Hazard classifications and occupancy determination
• Hydraulic calculation principles and water demand requirements
• Pipe sizing methods and friction loss calculations
• Fire pumps, controllers, and water storage tanks
• Backflow prevention devices and cross-connection control
• Valves, alarms, gauges, and supervisory devices
• Standpipe systems and combined sprinkler/standpipe installations
• Underground fire service mains and installation standards
• Seismic bracing and support requirements for sprinkler piping
• Hangers, restraints, and piping support systems
• Sprinkler spacing, obstructions, and discharge patterns
• Special hazard systems and protection requirements
• Inspection, testing, maintenance, and impairment procedures
• Plan reading, blueprint interpretation, and system layout review
• Contractor safety requirements and OSHA compliance
• Documentation, permits, inspections, and code compliance procedures
• Deficiency identification, troubleshooting, and corrective actions
• Project supervision, quality control, and contractor management responsibilities
• Scenario-based decision-making involving sprinkler design, hydraulic calculations, code
compliance, installation requirements, inspection findings, and fire protection system
performance evaluations.
, Page 2 of 89
North Carolina Fire Sprinkler Contractor Class I Exam
Practice MCQs (Batch 1: Questions 1–50)
Q1.
A North Carolina Class I Fire Sprinkler Contractor is primarily authorized to perform which activity under
state licensing requirements?
A. Install and supervise fire sprinkler system work within the scope of the license
B. Design structural steel systems exclusively
C. Perform only portable fire extinguisher inspections
D. Install electrical transmission lines
Answer: A
Rationale: A Class I Fire Sprinkler Contractor is licensed to install, alter, inspect, test, maintain, and
supervise fire sprinkler systems in accordance with state regulations and applicable codes.
, Page 3 of 89
Q2.
What is the primary objective of an automatic fire sprinkler system during a fire emergency?
A. Eliminate all smoke production immediately
B. Control or suppress a fire until additional firefighting efforts occur
C. Replace all fire department operations
D. Prevent building evacuation
Answer: B
Rationale: Automatic sprinkler systems are intended to control or suppress fires in their early stages,
limiting damage and improving occupant safety.
Q3.
NFPA 13 primarily establishes requirements for:
, Page 4 of 89
A. Portable fire extinguishers
B. Installation of automatic sprinkler systems
C. Electrical wiring methods
D. Emergency medical response
Answer: B
Rationale: NFPA 13 is the principal standard governing the design and installation of fire sprinkler
systems.
Q4.
Which sprinkler system type contains water in the piping at all times under normal operating
conditions?
A. Dry pipe system
B. Deluge system