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Hawaii (HI) C‑20 Fire Protection Practice Exam
Actual exam Questions with Correct Answers and
explanations LATEST THIS YEAR -JUST RELEASED
Below is a summarized exam coverage for the Hawaii C-20 Fire Protection Contractor Exam, followed
by 200 randomized, scenario-based MCQs directly aligned with the exam. No subtopics or domain
headings are used—just questions, answers, and concise rationales. Questions are based on Hawaii
Revised Statutes (HRS) Chapter 444, Hawaii Administrative Rules (HAR) Title 16, NFPA standards (13, 14,
20, 24, 72, 2001, 2010), fire pump installation, automatic sprinkler systems, standpipes, special
extinguishing systems (foam, clean agent, wet/dry chemical), backflow prevention,
inspection/testing/maintenance, and business/law.
1. A Hawaii C-20 contractor installs a fire sprinkler system in a commercial building. The system must be
designed and installed according to which NFPA standard?
A) NFPA 13
B) NFPA 14
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C) NFPA 20
D) NFPA 72
Answer: A – NFPA 13 is the standard for installation of sprinkler systems.
2. A fire pump is being installed in a high-rise. The pump controller must be tested under full flow at
least annually per NFPA 25. The minimum flow test duration for a diesel fire pump is:
A) 5 minutes
B) 10 minutes
C) 15 minutes
D) 30 minutes
Answer: B – NFPA 25 requires 10-minute run for diesel fire pump annual test.
3. A Hawaii fire protection contractor is required to be licensed by the Hawaii Contractors License Board.
The license classification is C-20. Which type of work is NOT covered under C-20?
A) Fire sprinkler systems
B) Standpipe systems
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C) Fire alarm systems (NFPA 72) – separate license
D) Fire pumps
Answer: C – Fire alarm systems require a separate electrical or low-voltage license; C-20 is for
water-based suppression.
4. A building has a combination standpipe/sprinkler system. The minimum water supply duration for a
Class I standpipe in a high-rise is:
A) 30 minutes
B) 60 minutes
C) 90 minutes
D) 120 minutes
Answer: C – NFPA 14 requires 90 minutes for Class I standpipe in high-rise.
5. A contractor is installing a pre-action sprinkler system in a freezer warehouse. The pre-action valve
must be located in a heated area. The purpose of the pre-action system is to:
A) Prevent freezing
B) Prevent accidental water damage
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C) Reduce water usage
D) Increase pressure
Answer: B – Pre-action systems require a fire detection signal before water fills the pipes, preventing
accidental discharge.
6. A fire pump is taking suction from a public water main. The pump is rated at 1,000 gpm. The minimum
water supply capacity must be:
A) 500 gpm
B) 1,000 gpm
C) 1,500 gpm
D) 2,000 gpm
Answer: B – The water supply must meet or exceed the pump’s rated capacity at the required pressure.
7. A Hawaii C-20 contractor is cited for performing fire alarm work without a license. The penalty under
HRS 444 can include:
A) Fine only
B) Imprisonment
Hawaii (HI) C‑20 Fire Protection Practice Exam
Actual exam Questions with Correct Answers and
explanations LATEST THIS YEAR -JUST RELEASED
Below is a summarized exam coverage for the Hawaii C-20 Fire Protection Contractor Exam, followed
by 200 randomized, scenario-based MCQs directly aligned with the exam. No subtopics or domain
headings are used—just questions, answers, and concise rationales. Questions are based on Hawaii
Revised Statutes (HRS) Chapter 444, Hawaii Administrative Rules (HAR) Title 16, NFPA standards (13, 14,
20, 24, 72, 2001, 2010), fire pump installation, automatic sprinkler systems, standpipes, special
extinguishing systems (foam, clean agent, wet/dry chemical), backflow prevention,
inspection/testing/maintenance, and business/law.
1. A Hawaii C-20 contractor installs a fire sprinkler system in a commercial building. The system must be
designed and installed according to which NFPA standard?
A) NFPA 13
B) NFPA 14
, Page 2 of 93
C) NFPA 20
D) NFPA 72
Answer: A – NFPA 13 is the standard for installation of sprinkler systems.
2. A fire pump is being installed in a high-rise. The pump controller must be tested under full flow at
least annually per NFPA 25. The minimum flow test duration for a diesel fire pump is:
A) 5 minutes
B) 10 minutes
C) 15 minutes
D) 30 minutes
Answer: B – NFPA 25 requires 10-minute run for diesel fire pump annual test.
3. A Hawaii fire protection contractor is required to be licensed by the Hawaii Contractors License Board.
The license classification is C-20. Which type of work is NOT covered under C-20?
A) Fire sprinkler systems
B) Standpipe systems
, Page 3 of 93
C) Fire alarm systems (NFPA 72) – separate license
D) Fire pumps
Answer: C – Fire alarm systems require a separate electrical or low-voltage license; C-20 is for
water-based suppression.
4. A building has a combination standpipe/sprinkler system. The minimum water supply duration for a
Class I standpipe in a high-rise is:
A) 30 minutes
B) 60 minutes
C) 90 minutes
D) 120 minutes
Answer: C – NFPA 14 requires 90 minutes for Class I standpipe in high-rise.
5. A contractor is installing a pre-action sprinkler system in a freezer warehouse. The pre-action valve
must be located in a heated area. The purpose of the pre-action system is to:
A) Prevent freezing
B) Prevent accidental water damage
, Page 4 of 93
C) Reduce water usage
D) Increase pressure
Answer: B – Pre-action systems require a fire detection signal before water fills the pipes, preventing
accidental discharge.
6. A fire pump is taking suction from a public water main. The pump is rated at 1,000 gpm. The minimum
water supply capacity must be:
A) 500 gpm
B) 1,000 gpm
C) 1,500 gpm
D) 2,000 gpm
Answer: B – The water supply must meet or exceed the pump’s rated capacity at the required pressure.
7. A Hawaii C-20 contractor is cited for performing fire alarm work without a license. The penalty under
HRS 444 can include:
A) Fine only
B) Imprisonment
