[May 18, 2025] Reliable Fire-Inspector-II Exam Tips Test Pdf Exam Material
New 2025 Fire-Inspector-II Test Tutorial (Updated 89 Questions)
NEW QUESTION # 53
Use, dispensing, and mixing of flammable liquids in open systems shall have continuous mechanical ventilation at a minimum rate of ___ CFM per sq. ft. of floor area.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
Explanation:
Reference to Ventilation Requirements for Flammable Liquids:
The International Fire Code (IFC 2021), Section 5004.3.7.3, and NFPA 30 (Flammable and Combustible Liquids Code), Section 18.5.4.1 specify the ventilation requirements for the use, dispensing, and mixing of flammable liquids in open systems.
Continuous mechanical ventilation must be provided at a minimum rate of 2 CFM per square foot of floor area.
Reason for Ventilation Requirements:
Flammable liquids release vapors that can ignite at low concentrations, creating fire and explosion hazards.
Proper ventilation removes vapors to prevent them from reaching flammable limits in the air.
Clarification of Incorrect Answer Choices:
A: 1 CFM per sq. ft. # Incorrect
Too low to effectively control flammable vapor accumulation.
C: 3 CFM per sq. ft. # Incorrect
While more ventilation can be beneficial, the minimum required by code is 2 CFM per sq. ft.
D: 4 CFM per sq. ft. # Incorrect
Exceeds the code-mandated minimum requirement, though higher ventilation rates may be required based on specific hazards.
Conclusion:
The correct and verified answer is B (2 CFM per sq. ft.), based on IFC 5004.3.7.3 and NFPA 30 Section
18.5.4.1, ensuring safe handling of flammable liquids in open systems.
NEW QUESTION # 54
A container in a clean-agent extinguishing system must be refilled or replaced when it shows a loss in original weight of more than five percent, or a loss in original pressure of more than ___ percent.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
Explanation:
A container in a clean-agent extinguishing system must be refilled or replaced if it experiences a loss of more than 5% of its original weight or a loss in original pressure of more than 3%. This requirement ensures the system maintains sufficient agent concentration for fire suppression.
Reference to Fire Inspector Documentation:
1. NFPA 2001 - Standard on Clean Agent Fire Extinguishing Systems (2022 Edition) NFPA 2001, Section 7.3.2.1 states that a container must be refilled or replaced if the weight loss exceeds 5% or the pressure loss exceeds 3% from the original fill pressure.
These limits are set to maintain system effectiveness and ensure that a clean-agent system can properly discharge in case of a fire.
2. 2021 International Fire Code (IFC) - Chapter 9 (Fire Protection Systems) IFC 904.10 requires that clean-agent systems be maintained per NFPA 2001 to ensure reliability.
Detailed Explanation of Answer Choices:
Option A (Correct): 3% pressure loss is the correct threshold beyond which a container must be replaced or refilled.
Option B (Incorrect): While 5% is correct for weight loss, it is not the correct value for pressure loss.
Option C (Incorrect): A 10% pressure loss is too high and would compromise system performance before reaching the replacement threshold.
Option D (Incorrect): 12% is well beyond the acceptable loss limit and would pose a significant safety risk.
Thus, the correct and verified answer is: A. 3
NEW QUESTION # 55
A building under construction which has two stairways shall have a minimum of how many fire extinguishers per floor?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
Explanation:
Reference to Fire Extinguisher Requirements in Buildings Under Construction:
NFPA 241 (Standard for Safeguarding Construction, Alteration, and Demolition Operations) Section 13.6.1 and IFC 3309.1 require that:
A minimum of one fire extinguisher per floor is required.
Additional extinguishers are required based on stairwells and floor area.
If a building under construction has two stairways, a minimum of two fire extinguishers must be provided per floor to ensure adequate fire protection coverage.
Fire Safety Considerations for Construction Sites:
Construction sites pose a high fire risk due to temporary electrical systems, combustible materials, and lack of finished fire suppression systems.
Fire extinguishers must be readily available and evenly distributed near exit stairways and pathways for rapid access in case of an emergency.
Clarification of Incorrect Answer Choices:
A: 1 # Incorrect
One extinguisher is the minimum required for floors with only one exit/stairway, but a building with two stairways requires at least two extinguishers.
C: 3 # Incorrect
While more extinguishers can be added for larger areas or high-risk work zones, the minimum requirement remains two for two stairwells.
D: 4 # Incorrect
There is no general requirement for four extinguishers per floor unless dictated by floor size and hazard level.
Conclusion:
The correct and verified answer is B (2 fire extinguishers per floor) based on NFPA 241 and IFC 3309.1, ensuring compliance with fire safety standards for buildings under construction.
NEW QUESTION # 56
Given: A nonsprinklered commercial Type II-B building has a fire flow requirement of 7,000 gpm. If a sprinkler system is installed throughout the building, the new required fire flow is at least ___ gpm. (Assume that the new required fire flow is sufficient to meet the requirements of the sprinkler system.)
- A. 2,000
- B. 1,500
- C. 1,750
- D. 2,250
Answer: B
Explanation:
IFC Section 903.3.5 and Appendix B (Fire-Flow Requirements) allow a reduction in fire flow when sprinklers are installed. For a Type II-B building (noncombustible, unprotected), the base fire flow (7,000 gpm) reflects a large, unsprinklered structure (e.g., per Table B105.1(2)). With full sprinkler protection, IFC B105.2 permits a reduction to as low as 25% of the original flow or the sprinkler demand (whichever is greater), typically
1,500 gpm for commercial buildings per NFPA 13 standards, assuming adequate water supply. Options B, C, and D exceed this minimum without justification. Thus, A is correct.
NEW QUESTION # 57
Given: A code official permits a sprinkler system to substitute for a required second exit from a small basement.
How long must records related to this decision be maintained by the code official?
- A. Until the building is sold
- B. For as long as the building and the condition exist
- C. Three years
- D. Five years
Answer: B
Explanation:
Retention of Fire Code-Related Records
According to the International Fire Code (IFC) 2021, Section 104.6, records related to code enforcement decisions, including modifications or substitutions (such as a sprinkler system replacing a second exit), must be retained for as long as the building and the condition exist.
This ensures that future inspections, property owners, and authorities can verify past decisions and compliance history.
2. Why the Records Must Be Retained Permanently
Modifications that impact life safety (such as exit requirements) must remain on record for the lifetime of the building to ensure ongoing compliance and safety.
If the condition (sprinkler substitution for an exit) still exists, any future inspector or building official must be able to verify the original approval and rationale.
3. Verification of Other Options
Option A (Five years) - Incorrect, as fire code modifications must remain on record permanently if they affect egress or fire protection systems.
Option B (Three years) - Incorrect, as this timeframe applies to temporary inspection reports, not major code modifications.
Option C (Until the building is sold) - Incorrect, as ownership changes do not affect the need for record retention on fire safety decisions.
Reference Sources:
International Fire Code (IFC) 2021 - Section 104.6 (Fire Code Record Retention Requirements) NFPA 1: Fire Code (Retention of Code-Related Decisions) ICC Fire Inspector II Study Guide (2021) Thus, the correct and verified answer is: D. For as long as the building and the condition exist. #
NEW QUESTION # 58
Exit signs shall have words on the sign in letters ___ inches in height.
- A. six
- B. four
- C. three
- D. five
Answer: B
Explanation:
1.
Exit Sign Letter Height Requirement
According to the International Fire Code (IFC) 2021, Section 1013.5, and the International Building Code (IBC) 2021, Section 1013.5, exit sign letters must be at least 6 inches in height. However, the minimum height requirement for the wording within the sign (e.g., "EXIT") is specifically 4 inches.
The stroke width of these letters must be at least 0.5 inches to ensure visibility.
2. Verification of Other Options
Option A (three inches) - Below the minimum height requirement. Incorrect.
Option C (five inches) - Exceeds the minimum standard but is not the correct minimum required size.
Incorrect.
Option D (six inches) - This applies to the total EXIT sign height, but the actual letter requirement is 4 inches.
Incorrect.
Reference Sources:
International Fire Code (IFC) 2021 - Section 1013.5
International Building Code (IBC) 2021 - Section 1013.5
NFPA 101: Life Safety Code (Exit Sign Requirements)
NEW QUESTION # 59
Fine magnesium scrap stored in quantities greater than 1,000 cu. ft. shall be separated from all buildings other than those used for magnesium scrap recovery operations by a distance of not less than ___ ft.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
Explanation:
Storage of fine magnesium scrap is regulated under 2021 IFC Chapter 59 - Magnesium and specifically IFC Section 5904.3.2.5 - Separation Distances for Magnesium Scrap Storage.
IFC 5904.3.2.5 - Minimum Separation Distances:
Fine magnesium scrap in quantities greater than 1,000 cubic feet must be separated from all buildings (except those used for magnesium scrap recovery) by at least 250 feet.
Why Other Options Are Incorrect?
A: 30 feet - Too close; insufficient for high-risk metal fires.
B: 50 feet - Does not meet the minimum required separation for magnesium scrap.
C: 100 feet - While larger, it still does not meet the 250-ft. requirement
NEW QUESTION # 60
The minimum working space width for a 66-in. wide electrical equipment panel shall be in
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
Explanation:
Minimum Working Space Width for Electrical Equipment Panels
According to National Electrical Code (NEC) 110.26(A)(2) and International Fire Code (IFC) 2021, Section
604.3, the minimum working space width for electrical equipment must be at least the width of the equipment or 30 inches, whichever is greater.
Since the equipment panel in the question is 66 inches wide, the required working space width must be at least 66 inches.
2. Why 66 Inches is the Correct Answer
The minimum clearance width must be equal to the width of the electrical equipment if the panel itself is wider than 30 inches.
This ensures safe maintenance and emergency access to electrical components.
3. Verification of Other Options
Option A (30 inches) - Incorrect, because the equipment is wider than 30 inches, requiring a larger clearance.
Option B (36 inches) - Incorrect, as this is not the requirement for a 66-inch-wide panel.
Option D (78 inches) - Incorrect, as the clearance does not need to exceed the width of the panel.
Reference Sources:
National Electrical Code (NEC) 2023 - Section 110.26(A)(2) (Working Space Width Requirements) International Fire Code (IFC) 2021 - Section 604.3 (Electrical Equipment Clearance Requirements) ICC Fire Inspector II Study Guide (2021)
NEW QUESTION # 61
A permit is required for storage of high-pile combustible stock in a building when the area of stock exceeds
- A. 2,500
- B. 0
- C. 1
- D. 1,000
Answer: B
Explanation:
High-Pile Combustible Storage Permit Requirements
According to the International Fire Code (IFC) 2021, Section 105.6.23, a permit is required for the storage of high-pile combustible stock when the storage area exceeds 2,500 square feet.
2. Definition of High-Pile Storage
High-pile storage is defined as storage of combustible materials on racks or piles exceeding 12 feet in height (or 6 feet for highly combustible materials, such as rubber and plastics).
IFC Table 3206.2 establishes fire protection requirements based on storage height, area, and commodity class.
3. Verification of Other Options
Option A (225 sq. ft.) - Incorrect, as this is far below the 2,500 sq. ft. permit threshold.
Option B (500 sq. ft.) - Incorrect, as the fire code does not require a permit at this level.
Option C (1,000 sq. ft.) - Incorrect, as the IFC specifies 2,500 sq. ft. as the threshold for requiring a permit.
Reference Sources:
International Fire Code (IFC) 2021 - Section 105.6.23 (High-Pile Combustible Storage Permit Requirements) IFC Chapter 32 (High-Piled Storage Regulations) ICC Fire Inspector II Study Guide (2021) Thus, the correct and verified answer is: D. 2,500. #
NEW QUESTION # 62
The occupant load of an R-2 building's common patio area is to be calculated using the value:
- A. 11 gross per person.
- B. assigned by the code official.
- C. 50 net per person.
- D. 15 gross per person.
Answer: D
Explanation:
The occupant load for an R-2 building's common patio area must be calculated using an occupant load factor.
The correct factor is 15 gross sq. ft. per person.
Reference to Fire Inspector Documentation:
1. 2021 International Building Code (IBC) - Table 1004.5 (Occupant Load Factor) For outdoor areas (such as patios and terraces), the applicable factor is 15 gross sq. ft. per person.
2. 2021 International Fire Code (IFC) - Section 1004.5 (Outdoor Occupant Loads) The 15 gross per person requirement is applied to common outdoor gathering areas in residential occupancies (R-2).
Detailed Explanation of Answer Choices:
Option A (Incorrect): 50 net per person applies to storage areas, not patios.
Option B (Incorrect): 11 gross per person is used for business occupancies (B), not residential patios.
Option C (Correct): 15 gross per person is the correct calculation factor for common outdoor spaces in R-2 buildings.
Option D (Incorrect): The code official does not assign occupant load values arbitrarily-they follow IBC Table 1004.5.
Thus, the correct and verified answer is: C. 15 gross per person.
NEW QUESTION # 63
What is the maximum travel distance to an exit from within a tent?
- A. 150 ft.
- B. Any distance approved by the chief
- C. 100 ft.
- D. 75 ft.
Answer: A
Explanation:
The maximum travel distance to an exit from within a tent is regulated under the 2021 International Fire Code (IFC), Section 3103.12.2 - Means of Egress (Tents and Membrane Structures).
IFC Section 3103.12.2 - Travel Distance:
"The maximum travel distance to an exit shall not exceed 150 feet (45,720 mm)." Why Other Options Are Incorrect?
A: 75 ft. - This limit does not apply to tents; the correct limit is 150 ft.
B: 100 ft. - Too restrictive; the IFC allows up to 150 ft.
D: Any distance approved by the chief. - The fire code does not allow unlimited travel distances; 150 feet is the maximum permitted by code.
NEW QUESTION # 64
Smoking is not permitted within ___ ft. of a transfer point for LP-gas while filling operations are in progress.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
Explanation:
Smoking Restrictions Near LP-Gas Transfer Points
According to the International Fire Code (IFC) 2021, Section 3807.2, smoking is not permitted within 25 feet of an LP-gas transfer point while filling operations are in progress.
This prevents ignition hazards, as LP-gas is highly flammable and can ignite from cigarettes, matches, or lighters.
2. Why 25 Feet is the Correct Answer
LP-gas vapors are heavier than air and can travel significant distances before igniting.
The 25-foot clearance requirement is set to prevent accidental ignition due to an undetected vapor leak.
3. Verification of Other Options
Option A (10 feet) - Incorrect, as this is the requirement for smaller propane cylinder storage areas, not transfer points.
Option B (15 feet) - Incorrect, as IFC mandates a 25-foot minimum clearance.
Option D (50 feet) - Incorrect, as the IFC requirement is specifically 25 feet, not 50.
Reference Sources:
International Fire Code (IFC) 2021 - Section 3807.2 (Smoking Prohibitions Near LP-Gas Transfer Points) NFPA 58: Liquefied Petroleum Gas Code (Safe Handling and Transfer Requirements) ICC Fire Inspector II Study Guide (2021) Thus, the correct and verified answer is: C. 25 feet. #
NEW QUESTION # 65
Evidence of a fire inspection report being written and delivered to the person in charge of the property:
- A. must be retained by the code official for a minimum of three years.
- B. must be copied to the city manager or mayor's office.
- C. forms the basis for any legal action.
- D. must be copied to the building code official.
Answer: C
Explanation:
Fire Inspection Report as Legal Documentation
A fire inspection report serves as an official record of inspection findings, compliance violations, and corrective actions required.
It provides documented evidence that can be used in legal proceedings if enforcement actions are necessary.
2. Legal Basis and ICC Reference
According to the International Fire Code (IFC) and NFPA Standards, a properly documented inspection report ensures that violations are enforceable in court.
The ICC Fire Inspector Study Guide (2021) emphasizes that an inspection report is a critical legal document that supports the fire department or authority having jurisdiction (AHJ) in case of disputes or appeals.
3. Retention of Reports (Why Other Options Are Incorrect)
Option B (must be copied to the building code official) - Not necessarily required unless local jurisdiction mandates coordination between fire and building code officials.
Option C (must be copied to the city manager or mayor's office) - Fire inspection reports are not typically sent to city administration unless they involve significant violations or policy concerns.
Option D (must be retained by the code official for a minimum of three years) - While record retention is required, the period varies by jurisdiction (some require 3 years, others more), making this an incomplete and less universally correct answer.
Reference Sources:
ICC Fire Inspector II Study Guide (2021)
International Fire Code (IFC) 2021 Edition
NFPA 1031: Standard for Professional Qualifications for Fire Inspector and Plan Examiner
NEW QUESTION # 66
When investigating a complaint of a violation within an occupied public area, the fire inspector:
- A. must give prior notice to the occupant.
- B. must provide the occupant with at least 24 hours of advance notice.
- C. must either give prior notice to the occupant or obtain an inspection warrant.
- D. need not give prior notice of the inspection to the occupant.
Answer: C
Explanation:
Reference to ICC Fire Code and Legal Authority:
The International Fire Code (IFC) and Standard Inspection Procedures establish that fire inspectors must either obtain consent from the occupant or acquire an inspection warrant if entry is denied.
IFC Section 104.3 (Right of Entry) states that inspectors have the authority to enter a building at reasonable times to conduct an inspection, but if entry is refused, a warrant must be obtained.
Legal and Ethical Considerations:
Fourth Amendment Rights protect against unlawful searches, requiring inspectors to either:
Gain voluntary consent from the occupant, OR
Obtain an inspection warrant if the occupant refuses entry.
Prior notice is not always required, but if the occupant is unavailable or uncooperative, legal measures must be taken.
Clarification of Incorrect Answer Choices:
A: must give prior notice to the occupant # Incorrect
While prior notice is sometimes given as a courtesy, it is not legally required for routine inspections unless mandated by local ordinances.
B: need not give prior notice of the inspection to the occupant # Incorrect While prior notice may not be required, entry still requires consent or a warrant. This answer does not fully address the legal requirement for an inspection warrant if entry is denied.
C: must provide the occupant with at least 24 hours of advance notice # Incorrect No universal 24-hour notice rule exists under the IFC unless specified by local regulations.
Conclusion:
The correct and verified answer is D because fire inspectors must either give prior notice to the occupant or obtain an inspection warrant if entry is refused (IFC Section 104.3).
NEW QUESTION # 67
Multiple smoke alarms installed within individual guest rooms of a hotel must comply with which of the following requirements?
- A. Their batteries must be checked every six months.
- B. They must automatically sound a fire alarm throughout the hotel.
- C. They must initiate an automatic fire suppression or sprinkler system.
- D. They must be interconnected so that one alarm will activate all alarms within the guest rooms.
Answer: D
Explanation:
Smoke alarm requirements for individual guest rooms in hotels are specified in the 2021 International Fire Code (IFC) Section 907.2.11.3 and NFPA 72 (National Fire Alarm and Signaling Code).
IFC 907.2.11.3 - Smoke Alarms in Group R-1 Occupancies (Hotels and Motels):
Requires smoke alarms in sleeping areas to be interconnected so that when one alarm is activated, it will trigger all alarms within the guest room or suite.
This ensures that occupants in different areas of the same guest room are alerted simultaneously to fire hazards.
Why Other Options Are Incorrect?
A: Their batteries must be checked every six months.
The IFC and NFPA 72 require smoke alarm batteries to be checked, but they do not mandate a six-month inspection schedule.
B: They must automatically sound a fire alarm throughout the hotel.
Smoke alarms within an individual guest room do not have to activate the entire hotel's fire alarm system.
C: They must initiate an automatic fire suppression or sprinkler system.
Smoke alarms are designed for early detection and warning, not for activating fire suppression systems.
NEW QUESTION # 68
In a motion picture theatre, an audible announcement shall be made to notify the occupants of the location of exits to be used in the event of a fire or other emergency not more than how many minutes prior to the start of each program?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
Explanation:
Exit Announcements in Motion Picture Theaters
According to the International Fire Code (IFC) 2021, Section 403.9.1.2, motion picture theaters must provide an audible announcement informing occupants of exit locations no more than 5 minutes prior to the start of each program.
This requirement ensures that audience members are aware of exit locations in case of an emergency, enhancing fire safety in crowded venues.
2. Verification of Other Options
Option B (10 minutes) - Exceeds the IFC maximum timeframe. Incorrect.
Option C (20 minutes) - Not specified in the IFC as a valid timeframe. Incorrect.
Option D (30 minutes) - Far beyond the required timeframe and would likely be ineffective. Incorrect.
Reference Sources:
International Fire Code (IFC) 2021 - Section 403.9.1.2 (Theater Exit Announcements) NFPA 101: Life Safety Code (Theater Occupancy Requirements) ICC Fire Inspector II Study Guide (2021)
NEW QUESTION # 69
The minimum fire-flow for a 75,000-sq. ft. building of Type IIB construction without a sprinkler system is:
- A. 4,000 gpm for 4 hours.
- B. 5,750 gpm for 4 hours.
- C. 5,500 gpm for 4 hours.
- D. 3,000 gpm for 3 hours.
Answer: C
Explanation:
Reference to Fire-Flow Requirements for Type IIB Buildings:
The International Fire Code (IFC 2021), Appendix B, Table B105.1(2) establishes the minimum fire-flow requirements for buildings based on construction type, size, and the presence of sprinkler systems.
For a 75,000 sq. ft. Type IIB (non-combustible, unprotected) building without sprinklers, the required fire- flow is 5,500 gpm for 4 hours.
Why Fire-Flow Matters:
Fire-flow ensures that sufficient water is available to control and extinguish fires in large buildings.
Type IIB buildings lack built-in fire resistance enhancements, making adequate fire-flow crucial.
Clarification of Incorrect Answer Choices:
A: 3,000 gpm for 3 hours # Incorrect
Too low for a building of this size and construction type.
B: 4,000 gpm for 4 hours # Incorrect
Below the required 5,500 gpm per IFC Appendix B.
D: 5,750 gpm for 4 hours # Incorrect
Slightly above the requirement but not the exact minimum mandated by IFC Table B105.1(2).
Conclusion:
The correct and verified answer is C (5,500 gpm for 4 hours) as per IFC Appendix B, Table B105.1(2), ensuring compliance with fire-flow standards for Type IIB buildings without sprinklers.
NEW QUESTION # 70
Incineration operations must comply with which of the following requirements?
- A. Incineration which creates an odor when burning requires a fire permit
- B. Operators must be at least 21 years of age
- C. Incineration operations must stop if the fire code official determines that the odor is offensive to nearby residents
- D. Fuel-fired incinerators must be preheated for at least 20 minutes before use
Answer: C
Explanation:
IFC allows fire code officials to enforce odor control, requiring operations to stop if odors are offensive (D), aligning with public safety. Options A, B, and C are not standard requirements, with age limits (A) not specified, permits (B) not universally required for odors, and preheating time (C) not mandated. This fits the study guide's incineration regulations.
References: Fire Inspector II Study Guide, IFC.
NEW QUESTION # 71
In a control area where flammable liquid storage containers are in piles, there shall be a minimum of __ in. of clearance between the top of the storage and the deflector or discharge orifices of a sprinkler system.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
Explanation:
Clearance Requirement for Sprinkler Systems Over Flammable Liquid Storage According to International Fire Code (IFC) 2021, Section 5004.6 and NFPA 30: Flammable and Combustible Liquids Code, Section 16.5.1, there must be a minimum of 18 inches of clearance between the top of flammable liquid storage and the deflector or discharge orifices of a sprinkler system.
This ensures unobstructed sprinkler discharge for effective fire suppression.
2. Why 18 Inches is the Correct Answer
The 18-inch clearance allows sprinklers to operate properly, ensuring water distribution is not blocked by stored materials.
NFPA 13 also mandates an 18-inch minimum clearance for standard storage applications with sprinklers.
3. Verification of Other Options
Option B (24 inches) - Incorrect, as the IFC and NFPA specify 18 inches as the minimum requirement.
Option C (30 inches) - Incorrect, as this exceeds the required minimum clearance.
Option D (36 inches) - Incorrect, as the IFC and NFPA do not require this much clearance.
Reference Sources:
International Fire Code (IFC) 2021 - Section 5004.6 (Sprinkler Clearance Over Flammable Liquid Storage) NFPA 30: Flammable and Combustible Liquids Code - Section 16.5.1 NFPA 13: Standard for the Installation of Sprinkler Systems - Minimum Clearance Requirements ICC Fire Inspector II Study Guide (2021) Thus, the correct and verified answer is: A. 18 inches. #
NEW QUESTION # 72
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