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100+ Free TN CMC-D Fire Sprinkler Practice Questions

Prepare for the Tennessee Fire Sprinklers and Fire Protection (CMC-D) Contractor Examination exam with instant access — no signup required.

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2026 Statistics

Key Facts: TN CMC-D Fire Sprinkler Exam

80 Q

Official Exam Questions

Prov TN Contractor CIB 2026.07.13

73%

Passing Score

Prov TN Contractor CIB 2026.07.13

4 hr

Time Allowed

Prov TN Contractor CIB 2026.07.13

USD 53

Prov Exam Fee

Prov TN Contractor CIB 2026.07.13

NFPA 13 2022

Listed Sprinkler Standard

Prov TN Contractor CIB 2026.07.13

Tennessee Fire Sprinklers (CMC-D) Contractor Examination is the official Board/Prov open-book exam: 80 questions, 73%, 4 hours, USD 53 (bulletin dated 2026.07.13). Official delivery is English.

Sample TN CMC-D Fire Sprinkler Practice Questions

Try these sample questions to test your TN CMC-D Fire Sprinkler exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1NFPA 13 (2022) is the standard that primarily addresses which of the following?
A.Installation of automatic sprinkler systems
B.Inspection, testing, and maintenance of existing water-based systems only
C.Portable fire extinguisher selection and placement only
D.Commercial cooking hood exhaust construction only
Explanation: NFPA 13, Standard for the Installation of Sprinkler Systems (2022 edition listed in the Tennessee CMC-D bulletin), covers design and installation of automatic sprinkler systems. Companion standards address other fire-protection work: NFPA 25 for ongoing ITM of water-based systems, NFPA 10 for extinguishers, and NFPA 96 for commercial cooking exhaust.
2Under NFPA 13 (2022), which occupancy classification represents the lowest expected fire severity?
A.Ordinary Hazard Group 1
B.Light Hazard
C.Extra Hazard Group 1
D.Ordinary Hazard Group 2
Explanation: NFPA 13 uses three occupancy classifications: light, ordinary, and extra hazard, with ordinary and extra each split into Group 1 and Group 2. Light Hazard covers low quantities of combustibles and relatively low heat-release fires, such as offices, churches, hospitals, and schools.
3A wet-pipe sprinkler system is best described as a system in which:
A.Piping is filled with air or nitrogen until a sprinkler opens
B.Open sprinklers discharge only after a detection system trips a deluge valve
C.Piping is filled with water under pressure so that water discharges immediately when a sprinkler opens
D.Water is held back by a preaction valve until both detection and a sprinkler operate
Explanation: A wet-pipe system keeps water in the piping at all times. When a heat-responsive element opens a sprinkler, water discharges immediately. Wet systems are the default choice wherever freezing is not expected.
4The K-factor of a sprinkler is used to relate which two quantities?
A.Pipe diameter and hanger spacing
B.Occupancy classification and hose-stream allowance
C.Water-supply duration and tank volume
D.Discharge flow and residual pressure at the sprinkler
Explanation: NFPA 13 uses Q = K√P, where Q is flow in gpm, K is the sprinkler K-factor, and P is residual pressure in psi at the sprinkler. A standard 1/2-inch orifice sprinkler has K = 5.6. Larger K-factors deliver more water at the same pressure.
5Unless a listing requires a higher value, NFPA 13 (2022) requires a minimum residual operating pressure at a standard spray sprinkler of:
A.7 psi
B.15 psi
C.20 psi
D.50 psi
Explanation: NFPA 13 sets a 7 psi minimum residual pressure at the sprinkler unless the listing requires more. Design pressure is often higher because the required density times the sprinkler's coverage area can demand more flow than K√7 provides.
6Ordinary-temperature sprinklers are generally identified by a maximum ceiling temperature of 100°F and a temperature rating in which range?
A.250°F to 300°F
B.135°F to 170°F
C.175°F to 225°F
D.325°F to 375°F
Explanation: Ordinary-temperature sprinklers are rated 135°F to 170°F and are used where maximum ceiling temperature does not exceed 100°F. They are typically uncolored or black. Intermediate-temperature sprinklers (white) are used for hotter ceilings.
7In NFPA terminology, a product that is 'listed' has been:
A.Selected by the installing contractor as convenient stock
B.Accepted by the building owner in the project specifications
C.Evaluated by an approved testing laboratory and identified as meeting appropriate standards
D.Shown on the shop drawing even if it has no test report
Explanation: Listed means a recognized testing laboratory has evaluated the product and identified it as meeting appropriate standards for the intended use. NFPA 13 requires listed sprinklers, valves, hangers, and similar components unless a specific exception applies. 'Approved' is a separate term meaning acceptable to the authority having jurisdiction.
8A fire department connection (FDC) on an NFPA 13 sprinkler system is provided primarily so that:
A.The municipal water utility can meter fire-flow use
B.The fire department can supplement the water supply by pumping into the system
C.Domestic plumbing fixtures can share the sprinkler riser
D.The system can be drained without a main drain valve
Explanation: The FDC lets the fire department pump additional water into the sprinkler (or combined) system. NFPA 13 requires a check valve in the FDC line and a ball drip or equivalent to drain the connection. The FDC supplements; it does not replace an adequate automatic water supply.
9Using the NFPA 13 (2022) density/area method, the common design point for Light Hazard occupancies is:
A.0.10 gpm/ft² over 1,500 ft²
B.0.15 gpm/ft² over 1,500 ft²
C.0.20 gpm/ft² over 1,500 ft²
D.0.30 gpm/ft² over 2,500 ft²
Explanation: Table 19.2.3.1.1 of NFPA 13 (2022) uses 0.10 gpm/ft² over 1,500 ft² as the common Light Hazard design point. That produces a remote-area sprinkler demand of 150 gpm before hose-stream allowance. Ordinary and extra-hazard points use higher densities and, for extra hazard, a 2,500 ft² starting area.
10The NFPA 13 (2022) density/area design point for Ordinary Hazard Group 1 is:
A.0.10 gpm/ft² over 1,500 ft²
B.0.20 gpm/ft² over 1,500 ft²
C.0.15 gpm/ft² over 1,500 ft²
D.0.40 gpm/ft² over 2,500 ft²
Explanation: Ordinary Hazard Group 1 uses 0.15 gpm/ft² over 1,500 ft². Typical examples include parking garages, bakeries, laundries, and restaurant service areas. Sprinkler demand at that point is 0.15 × 1,500 = 225 gpm before hose.

About the TN CMC-D Fire Sprinkler Exam

The Tennessee Fire Sprinklers and Fire Protection (CMC-D) Contractor Examination is the official Board fire-sprinkler trade examination administered by Prov beginning July 1, 2026. The official exam has 80 questions. Passing is 73% in 4 hours. The examination is open book. Prov lists USD 53 per attempt (Tennessee Contractor Candidate Information Bulletin dated 2026.07.13). CMC-D covers automatic sprinkler systems, residential sprinklers, water supply and storage, private hydrants and standpipes, inspection, testing and maintenance, life safety, and miscellaneous fire protection systems. Candidates must also pass Business and Law. The Board charges a separate USD 250 initial application fee. This bank is an English-language MCQ study adaptation. It does not replace required trade experience, board approval, financial statements or bonds, or the official examination.

Assessment

Open-book computer-based multiple-choice. Prov lists NFPA 10 (2013), NFPA 13 (2022), NFPA 13D (2022), NFPA 13R (2022), NFPA 14 (2013), NFPA 17 (2013), NFPA 24 (2013), and NFPA 96 (2014). Remote Examroom testing is available.

Time Limit

4 hours

Passing Score

73%

Exam Fee

USD 53 (Prov, Inc. (for the Tennessee Board for Licensing Contractors))

TN CMC-D Fire Sprinkler Exam Content Outline

8%

Code and General Knowledge

Code and General Knowledge (6 items)

33%

Sprinkler Systems

Sprinkler Systems (26 items)

10%

Residential Sprinkler Systems

Residential Sprinkler Systems (8 items)

13%

Water Supply, Storage, and Distribution

Water Supply, Storage, and Distribution (10 items)

6%

Materials and Methods

Materials and Methods (5 items)

11%

Private Hydrants and Standpipe Systems

Private Hydrants and Stand Pipe Systems (9 items)

6%

Inspection, Testing, and Maintenance

Inspection, Testing, and Maintenance (5 items)

5%

Life Safety and Occupancy Protection

Life Safety and Occupancy Protection (4 items)

9%

Miscellaneous Fire Protection Systems

Miscellaneous Fire Protection Systems (7 items)

How to Pass the TN CMC-D Fire Sprinkler Exam

What You Need to Know

  • Passing score: 73%
  • Assessment: Open-book computer-based multiple-choice. Prov lists NFPA 10 (2013), NFPA 13 (2022), NFPA 13D (2022), NFPA 13R (2022), NFPA 14 (2013), NFPA 17 (2013), NFPA 24 (2013), and NFPA 96 (2014). Remote Examroom testing is available.
  • Time limit: 4 hours
  • Exam fee: USD 53

Keys to Passing

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

TN CMC-D Fire Sprinkler Study Tips from Top Performers

1Distribute study time to the official Prov CMC-D content outline (bulletin dated 2026.07.13)
2Sprinkler systems are 26 of 80 official items — prioritize NFPA 13 (2022)
3Prov lists NFPA 13/13D/13R 2022, not the older PSI 2010 NFPA 13 edition
4This bank is an English-language MCQ study aid, not an official Prov form

Frequently Asked Questions

How many questions are on the Tennessee CMC-D Fire Sprinkler Contractor Examination?

The official Prov examination has 80 questions. Passing is 73% within 4 hours (Tennessee Contractor Candidate Information Bulletin dated 2026.07.13).

Which NFPA standards are listed for the Tennessee CMC-D exam?

Prov lists NFPA 10 (2013), NFPA 13 (2022), NFPA 13D (2022), NFPA 13R (2022), NFPA 14 (2013), NFPA 17 (2013), NFPA 24 (2013), and NFPA 96 (2014) as primary references.

Is Board pre-approval required for the Tennessee CMC-D exam?

No. The Board requires pre-approval for CMC full mechanical and CMC-A plumbing. CMC-D fire sprinkler may be scheduled with Prov without that pre-approval step.

Do I also need the Business and Law exam?

Yes. Every new contractor applicant must pass the Tennessee Contractor Business and Law Examination in addition to any required trade examination.