Certified Maintenance Manager (CMM) — Questions and Answers
Question 1: Which clause in a maintenance contract protects the facility if a vendor's key technician, critical to the contract, leaves the company?
- Termination for convenience clause
- Key personnel clause (Correct answer)
- Liquidated damages clause
- Force majeure clause
Correct answer: Key personnel clause
A key personnel clause requires the vendor to notify the facility and obtain approval before replacing named individuals critical to contract performance.
Question 2: Vibration analysis on a centrifugal pump shows a dominant peak at 1x running speed in the radial direction. What is the most likely cause?
- Cavitation
- Belt wear
- Bearing outer race defect
- Rotor imbalance (Correct answer)
Correct answer: Rotor imbalance
Imbalance typically produces a strong radial vibration peak at one times running speed.
Question 3: Which scheduling approach gives maintenance technicians the MOST flexibility while ensuring 24/7 facility coverage?
- On-call only staffing
- Contractors for all non-day-shift hours
- Rotating shifts with overlapping coverage windows (Correct answer)
- Fixed day shifts only
Correct answer: Rotating shifts with overlapping coverage windows
Rotating shifts with overlapping coverage ensure continuity across all hours while distributing less desirable shifts fairly among the team.
Question 4: What code compliance requirement applies to quality inspection?
- Code compliance only matters for commercial projects
- All work must comply with applicable local, state, and national codes (Correct answer)
- Follow codes only when inspectors are present
- Codes are guidelines, not requirements
Correct answer: All work must comply with applicable local, state, and national codes
Code compliance is mandatory for all work, ensuring safety, quality, and legal adherence.
Question 5: When mold is found in an occupied building, what is the most important first step in remediation according to EPA guidance?
- Apply bleach to all affected surfaces
- Install additional HVAC filtration
- Identify and fix the moisture source (Correct answer)
- Conduct air sampling for spore counts
Correct answer: Identify and fix the moisture source
Mold will come back unless the water or moisture problem causing it is fixed first.
Question 6: Which training approach is MOST effective for teaching maintenance technicians a new equipment repair procedure?
- Hands-on demonstration followed by supervised practice (Correct answer)
- Posting a notice on the bulletin board
- Online video without follow-up
- Distributing a written manual only
Correct answer: Hands-on demonstration followed by supervised practice
Hands-on demonstration with supervised practice ensures technicians can perform procedures correctly and safely before working independently.
Question 7: Which term describes the official or agency responsible for enforcing a code and approving installations?
- Permit Compliance Officer
- Certified Building Official of Record
- Code Enforcement Liaison
- Authority Having Jurisdiction (AHJ) (Correct answer)
Correct answer: Authority Having Jurisdiction (AHJ)
NFPA and ICC codes use 'Authority Having Jurisdiction' for the enforcing body, such as a fire marshal or building official.
Question 8: Why is data collection important in predictive maintenance?
- To eliminate routine inspections
- To plan office parties
- To increase emergency repairs
- To anticipate failures before they occur (Correct answer)
Correct answer: To anticipate failures before they occur
Data collection is fundamental to predictive maintenance, as it provides the raw information needed to assess equipment health. By continuously monitoring parameters like vibration, temperature, or pressure, data allows for the analysis of trends and anomalies, enabling maintenance teams to predict potential failures and schedule interventions proactively.
Question 9: The EPA Spill Prevention, Control, and Countermeasure (SPCC) rule applies to facilities whose total aboveground oil storage capacity is more than:
- 1,000 gallons
- 2,500 gallons
- 660 gallons
- 1,320 gallons (Correct answer)
Correct answer: 1,320 gallons
SPCC plans are required when aboveground oil storage capacity exceeds 1,320 gallons, counting only containers of 55 gallons or more.
Question 10: What does VOC content on a paint or adhesive Safety Data Sheet indicate?
- The amount of volatile organic compounds that off-gas and affect indoor air quality (Correct answer)
- Its volume of coverage per gallon
- Its resistance to vandalism
- Its viscosity at application temperature
Correct answer: The amount of volatile organic compounds that off-gas and affect indoor air quality
VOCs evaporate during and after application and can degrade indoor air quality, so low-VOC products are preferred in occupied buildings.
Question 11: When conducting a disciplinary investigation for a maintenance employee, which principle is MOST important to uphold?
- Consistency and impartiality in applying workplace policies (Correct answer)
- Confidentiality only for managers
- Speed over thoroughness
- Skipping documentation to save time
Correct answer: Consistency and impartiality in applying workplace policies
Consistent and impartial application of policies protects the organization legally and ensures all employees are treated fairly under the same standards.
Question 12: What is a 'green lease' in commercial real estate?
- A lease that includes provisions aligning tenant and landlord incentives for energy and sustainability goals (Correct answer)
- A lease that waives utility costs for tenants who meet recycling targets
- A government-mandated rental agreement for LEED-certified buildings
- A lease offering reduced rent in exchange for energy auditing rights
Correct answer: A lease that includes provisions aligning tenant and landlord incentives for energy and sustainability goals
A green lease includes clauses that encourage or require sustainable practices by both landlord and tenant, addressing energy efficiency, cost-sharing, and reporting obligations.
Question 13: Under OSHA 1910.147, how often must the employer inspect each energy control (lockout/tagout) procedure?
- Quarterly
- Every 3 years
- At least annually (Correct answer)
- Monthly
Correct answer: At least annually
OSHA requires a periodic inspection of each energy control procedure at least once a year.
Question 14: How should equipment be maintained for code compliance operations?
- Maintenance is optional for newer equipment
- Follow manufacturer-recommended preventive maintenance schedules (Correct answer)
- Inspect equipment annually only
- Fix equipment only when it breaks
Correct answer: Follow manufacturer-recommended preventive maintenance schedules
Preventive maintenance following manufacturer recommendations ensures equipment reliability, safety, and longevity.
Question 15: A steam trap survey finds several traps failed open. What is the main operational impact?
- Steam pressure rises throughout the system
- Condensate builds up in the equipment
- Boiler water chemistry gets better
- Live steam is lost to the condensate return, wasting energy (Correct answer)
Correct answer: Live steam is lost to the condensate return, wasting energy
Traps that fail open pass live steam into the return line, which wastes energy and can cause water hammer and high return temperatures.
Question 16: What is the most critical safety requirement in maintenance protocols?
- Following all applicable safety regulations and wearing required PPE (Correct answer)
- Cost minimization
- Speed of completion
- Working alone to avoid delays
Correct answer: Following all applicable safety regulations and wearing required PPE
Safety regulations and proper PPE use are the most critical requirements in maintenance protocols to prevent injury and ensure compliance.
Question 17: Which electrical maintenance standard, made mandatory in its 2023 edition, covers electrical equipment maintenance programs?
- NFPA 13
- NFPA 25
- NFPA 99
- NFPA 70B (Correct answer)
Correct answer: NFPA 70B
NFPA 70B changed from a recommended practice to a standard in 2023 and sets requirements for electrical maintenance programs.
Question 18: What is a key disadvantage of choosing a proprietary, single-source material for a building component?
- It cannot meet building codes
- It cannot carry a warranty
- Future replacement parts may be costly or unavailable if the manufacturer discontinues it (Correct answer)
- It always costs less up front
Correct answer: Future replacement parts may be costly or unavailable if the manufacturer discontinues it
Single-source products leave the facility dependent on one manufacturer, which risks high prices and discontinued parts.
Question 19: A maintenance manager wants to reduce vendor dependency for routine HVAC filter replacements. What is the BEST approach?
- Switch to a more expensive vendor
- Train in-house technicians to perform the task and source filters directly from suppliers (Correct answer)
- Outsource the entire HVAC system
- Discontinue filter replacements
Correct answer: Train in-house technicians to perform the task and source filters directly from suppliers
Building in-house capability for routine, low-complexity tasks reduces costs, increases control, and decreases reliance on outside contractors for predictable maintenance.
Question 20: Which document formally outlines the duties, required skills, and working conditions for a maintenance position?
- Work order form
- Performance improvement plan
- Job description (Correct answer)
- Organizational chart
Correct answer: Job description
A job description defines the scope of a position—responsibilities, qualifications, and conditions—and is used for recruiting, evaluation, and legal compliance.
Question 21: Why is establishing a baseline reading important when starting a predictive maintenance program?
- It determines the asset's purchase price
- It provides a reference to detect changes and trends in equipment condition (Correct answer)
- It satisfies OSHA lockout requirements
- It replaces the need for future readings
Correct answer: It provides a reference to detect changes and trends in equipment condition
Trending against a known-good baseline reveals deterioration that a single reading could not show.
Question 22: What is the primary purpose of a new-employee orientation program in a maintenance department?
- To assign overtime immediately
- To complete annual performance reviews early
- To test technical skills before hiring
- To familiarize new hires with safety procedures, policies, and job expectations (Correct answer)
Correct answer: To familiarize new hires with safety procedures, policies, and job expectations
Orientation reduces early turnover and safety incidents by giving new employees the knowledge, tools, and context they need to succeed from day one.
Question 23: Under NFPA 10, how often must portable fire extinguishers receive a visual inspection?
- Monthly (Correct answer)
- Weekly
- Quarterly
- Annually
Correct answer: Monthly
NFPA 10 requires a visual inspection at least every 30 days, plus annual maintenance by a qualified person.
Question 24: Which method is BEST for checking the condition of chiller condenser and evaporator tubes for wall thinning?
- Megger insulation testing
- Eddy current testing (Correct answer)
- Infrared thermography
- Smoke pencil testing
Correct answer: Eddy current testing
Eddy current testing finds pitting, erosion, and wall thinning in non-ferrous heat exchanger tubes.
Question 25: A Class A GFCI receptacle is designed to trip when ground-fault current reaches approximately what level?
- 5 milliamperes (Correct answer)
- 100 milliamperes
- 1 ampere
- 30 milliamperes
Correct answer: 5 milliamperes
Class A GFCIs trip at 4 to 6 mA to protect people from electric shock.
Question 26: A pump gauge shows 10 psi of pressure. Approximately how many feet of water head does this represent?
- 23.1 feet (Correct answer)
- 34 feet
- 4.33 feet
- 10 feet
Correct answer: 23.1 feet
One psi equals about 2.31 feet of water head, so 10 psi ≈ 23.1 feet.
Question 27: Odors and headaches after new carpet, paint, and furniture are installed are most likely caused by off-gassing of:
- Carbon monoxide
- Ozone
- Radon
- Volatile organic compounds (VOCs) (Correct answer)
Correct answer: Volatile organic compounds (VOCs)
New building materials and finishes release VOCs, which can cause irritation and headaches until they dissipate.
Question 28: Asbestos-containing material is classified as 'friable' when it:
- Can be crumbled or reduced to powder by hand pressure (Correct answer)
- Is located in an occupied space
- Contains more than 10% asbestos by weight
- Has been encapsulated with a sealant
Correct answer: Can be crumbled or reduced to powder by hand pressure
Friable material releases fibers easily because hand pressure can crumble it, which makes it a higher exposure risk.
Question 29: Where are safety glazing materials such as tempered or laminated glass required by code?
- Only in skylights more than 20 feet up
- Nowhere, since they are always optional
- Hazardous locations such as doors, sidelights, and glass near walking surfaces (Correct answer)
- Only in residential bathrooms
Correct answer: Hazardous locations such as doors, sidelights, and glass near walking surfaces
Building codes require safety glazing in hazardous locations where people may impact the glass, such as doors and adjacent panels.
Question 30: A maintenance supervisor notices a pattern of repeated absenteeism in one technician. What is the BEST first step?
- Reassign the employee without discussion
- Ignore it and adjust the schedule
- Immediately terminate the employee
- Document the absences and schedule a private counseling meeting (Correct answer)
Correct answer: Document the absences and schedule a private counseling meeting
Documenting absences and conducting a private counseling meeting addresses the issue professionally while giving the employee an opportunity to explain and improve.
Question 31: What is a capital expenditure in building maintenance?
- HVAC system upgrade (Correct answer)
- Routine window cleaning
- Daily janitorial supplies
- Light bulb replacement
Correct answer: HVAC system upgrade
A capital expenditure (CapEx) involves significant spending on assets that will be used for more than one year, improving the building's value or extending its lifespan. An HVAC system upgrade is a major investment that enhances the building's infrastructure and efficiency, distinguishing it from routine operational expenses.
Certified Maintenance Manager (CMM)
The CMM certification, offered by AHLEI (American Hotel & Lodging Educational Institute), validates expertise in hospitality building maintenance management, covering building systems operations, energy management, code compliance, financial management, and workforce supervision.
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Sources & references
Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy
- learn.nahro.org — Eligibility, fees, score validity · verified Oct 2026
- nahro.org — Renewal, retake policy · verified Oct 2026