Building Maintenance Practice Exam

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• Gas contaminants in the air are typically measured in what units?
• Which type of fire extinguisher is suitable for electrical equipment?
• What is the term for the failure of a system, equipment, or part to operate properly?
• What is meant by the term "set point" in HVAC systems?
• Which document is essential for communicating emergency procedures in a workplace?
• What is the term for heat energy that can be measured by a change in temperature?
• In electrical engineering, what is overheating primarily associated with?
• What action is required when a tagout device is on an electrical device you need to repair?
• What national organization helps identify industrial and public needs for standards?
• What kind of system regulates the flow of air to and from a boiler?
• In which component is heat removed from high pressure vapor?
• Which of the following is an important consideration during equipment maintenance?
• What is the relationship described by Ohm's law?
• What function does a DMM (Digital Multimeter) perform when set to measure DC Voltage?
• What is a log book used for in maintenance operations?
• What is the primary purpose of refrigeration?
• What does MAWP stand for in boiler terminology?
• Which of the following is NOT a reason for conducting Lockout/Tag-out?
• What instrument is used to measure the amount of current in an electrical circuit?
• What term describes a change in velocity?
• How is power traditionally expressed in terms of watts?
• What must always be available in case of injury within a facility?
• What is the primary purpose of a lockout/tagout procedure?
• A metering device is a mechanical device that compresses refrigerant gas. True or False?
• Which of the following best defines a conductor?
• What defines "Inventory" in a preventive maintenance system?
• What type of maintenance strategy typically involves scheduled inspections and servicing?
• The severity of electrical shock is increased with less ____.
• After calling 911 for an unconscious co-worker, what should you do next?
• What type of circuit has two or more components connected such that there is only one path for current flow?
• What device measures changes in pressure by comparing two locations?
• Which equation defines work?
• What is a voltmeter with a selector knob to choose between several voltage scales called?
• An open top space more than how many feet in depth is considered a confined space?
• Which maintenance approach incorporates information from a PM program into the design and purchase of equipment?
• The component that acts as a storage tank for liquid refrigerant after the condenser is the __________.
• The component that removes dirt and moisture from refrigerant is the __________.
• What is the procedure involving locks, chains, or physical restraints to prevent the operation of equipment called?
• What is the function of a thermostat in HVAC systems?
• What is the relationship between voltage, current, and resistance in a circuit called?
• What is classified as a substance that could cause injury to personnel or damage to the environment?
• Which type of circuit allows current to flow at multiple paths?
• What is the primary function of a refrigerant in a cooling system?
• BHP is an acronym that stands for what?
• Which component helps ensure that only vapor enters the compressor?
• Which instrument indicates if a circuit is open or closed when no current is flowing?
• What is the primary purpose of a maintenance work order?
• Comfort in an environment is defined as:
• Which device is primarily used to measure voltage in an electrical circuit?
• What type of energy is described as energy in motion?
• The component that catches liquid refrigerant to protect the compressor is the __________.
• What is an evaporator in the context of refrigeration?
• What type of tester measures insulation integrity by assessing very high resistances?
• An air contaminant is commonly classified as a ____.
• A pneumatic ____ is used to position HVAC components using air pressure.
• In the work equation, what does D represent?
• Is current measured in volts?
• Which control system uses compressed air to send variable signals in HVAC systems?
• What happens during the defrosting process of an evaporator?
• What device is worn over the ears to reduce noise exposure?
• What type of analysis utilizes high vibration frequencies to create an image or reading for analysis?
• What should be done if you discover a coworker working without proper PPE?
• What is the process of varying the amount of refrigerant pumped by the compressor called?
• Which device would you use to measure insulation deterioration on wiring?
• Which of the following best describes sensible heat in a refrigeration context?
• What type of test instrument can measure two or more electrical quantities?
• What does pressure represent in terms of physics?
• Does a series circuit have many paths for current flow?
• What type of circuit is described as having an incomplete path that prevents current flow?
• What should a technician look for during a visual inspection?
• What type of maintenance is completed at specific intervals?
• What type of fire extinguisher is suitable for electrical fires?
• What is the measure of the intensity of heat known as?
• What is the relationship known as that describes power, voltage, and current in a circuit?
• Which type of maintenance is characterized by scheduled work to keep equipment in peak operating condition?
• Which type of heat energy causes a change of state with no change in temperature?
• Which equation defines force?
• What is the primary function of an air filter in an HVAC system?
• Which of the following materials can be classified as a conductor?
• What is the measure of electrical current?
• In most refrigeration systems, where does the phase change from liquid to gas occur?
• Can resistance be measured with power applied?
• In the context of boiler operation, what is "draft" specifically related to?
• Impromptus maintenance service that is required due to a failure is referred to as what?
• What does the DMM function switch measure when set to resistance?
• What can be a result of conducting an energy audit?
• Which of the following statements is true about refrigerants?
• What is unscheduled service to correct unexpected failures on equipment called?
• What should you do after locking out and tagging an energy-isolating device?
• What can cause contacts to fail?
• What is defined as a sequence of operations that accomplishes desired results?
• What is the term for a change in the shape of a material caused by stress?
• Grade is a classification of coal related to its?
• Which hazard does a Class B fire extinguisher specifically address?
• What is the primary function of an ammeter?
• Why is superheating important in refrigeration systems?
• What type of manual provides instructions for the installation and repair of equipment?
• What does reactivity indicate in the NFPA Hazard Signal System?
• What joining process fuses materials by heating them to their melting temperature?
• A boiler in which water passes through tubes surrounded by hot combustion gases is called a __________.
• What unit is used to measure electric power in a circuit?
• What is a mechanical load?
• What are two devices commonly used on a boiler to determine water level?
• What type of boiler has hot combustion gases passing through tubes surrounded by water?
• What principle should be applied when using ladders for maintenance work?
• What device controls one electrical circuit by opening and closing contacts in another circuit?
• Do all lamp ballasts produce some noise?
• What type of device converts mechanical energy into electrical energy through electromagnetic induction?
• What is the primary characteristic of particulate contaminants?
• What type of sheet is used to relay chemical hazard information from the manufacturer to the employer?
• What type of heat is measurable by a change in temperature?
• What term refers to the organization and management of commonly used parts and supplies in the preventive maintenance system?
• How many watts equal 1 horsepower?
• Sensible heat added to a substance after it has turned into a vapor is referred to as __________.
• What is a log book used for in maintenance?
• What type of hearing protection is commonly used in noisy environments?
• What is an important aspect of electrical maintenance planning?
• What does 'torque' refer to?
• How is vibration frequency commonly expressed?
• What does indoor air quality refer to?
• What standard is used to measure electrical wire diameter?
• What must all steam boilers have for safety measures?
• What is the primary goal of a refrigeration cycle?
• Which tool is essential for identifying potential electrical issues within a building?
• Which type of maintenance involves work that is planned and scheduled for completion?
• Which device in a boiler indicates the level of water within the boiler?
• What type of fire hazard is associated with combustible metals?
• Can a minor electrical shock cause the heart and lungs to stop functioning correctly?
• If you suspect a co-worker is going into shock, what should you do after calling 911?
• What does the term “torque” imply in mechanical terms?
• What type of control device uses compressed air to send variable signals from a thermostat and controller?
• What should you do after finishing a job with multiple tagouts?
• What is the correct formula to convert Celsius to Fahrenheit?
• True or False: Traditional paper documents are being replaced by electronic documents in plant documentation.
• What should be included on a Safety Data sheet?
• Why is it important to document maintenance activities?
• What is referred to as work on long-term projects that require advanced planning?
• What type of refrigeration system can switch between heating and cooling modes?
• What type of instrument is used to test the operation or condition of equipment components?
• What does the term "mud drum" refer to in boiler systems?
• What is the primary purpose of using a megohmmeter?
• What type of order details specific maintenance tasks to complete?
• To verify the presence of voltage at switches and fuses, which tool would you use?
• A pneumatic control system is primarily characterized by:
• Which label indicates a shirt safe for electrical work?
• What organization publishes the National Electrical Code?
• In HVAC terms, what does 'supply' air refer to?
• What is a product used to seal, waterproof parts or fill voids?
• What device uses a combination of components to distribute air efficiently within a building?
• What type of gauge is used to measure pressure both above and below normal atmospheric pressure?
• Which of the following statements is true about boiler safety valves?
• Which of the following statements is true regarding HVAC systems?
• What is saturation temperature?
• Approximately what percentage of air is made up of oxygen?
• What does ultrasonic analysis primarily focus on?
• What is another term for the relationship between power, voltage, and current?
• What does P stand for in the pressure equation?
• An electrical circuit where the current is unable to flow due to a break is known as what?
• What type of fire extinguisher should be used on ordinary combustibles?
• Does a parallel circuit have only one path for current?
• What method uses temperature-indicating devices to monitor equipment conditions?
• Does scale protect the boiler heating surfaces?
• What does voltage represent in an electrical circuit?
• Which type of maintenance occurs when repairs are made after a breakdown?
• What type of switch is operated by the movement of an object?
• If contacts offer resistance to current flow, what is a likely consequence?
• Project work may involve which of the following?
• Current that reverses direction on regular intervals is known as what type of current?
• In a chilled water system, the flow of heat transfer to cool a building occurs in which order?
• Are Class D fires as common as Class A fires?
• Which equation would you use to calculate resistance using Ohm's law?
• Which type of combustible material is associated with a class D fire?
• Which of the following describes a form of energy identified by temperature difference or a change of state?
• In HVAC systems, what is the "set point" primarily used for?
• Which of the following is true regarding welding?
• What particle has a positive electrical charge of one unit?
• A refrigerant that is vaporizing or condensing is at its saturation point. True or False?
• What happens to molecular action when heat is removed from a substance?
• What is the primary goal of regular building maintenance?
• What unit is used to measure electrical resistance?
• What three elements are required to sustain a fire?
• What is viscosity a measure of?
• True or False: Liquids can be compressed.
• Which national trade association provides information on electrical equipment standards?
• When should personal protective equipment (PPE) be inspected for damage?
• What is defined as unscheduled monitoring as required?
• What is the effect of preventive maintenance on production lines?
• In the event of a chemical spill, what is the first action you should take?
• Which production line would be the most cost-effective to start a preventive maintenance program?
• True or False: Successful maintenance personnel engage in continual education.
• What refers to the process of removing unwanted gases from the system and capturing it in a recovery cylinder?
• Which of the following is not a characteristic of project work?
• What is defined as the flow of electrons through a conductor?
• What is the most common cause of motor failure?
• What does the DMM function measure when set to capacitance?
• What is the first action to take when an individual suffers an electrical shock?
• What component controls the flow rate of refrigerant into an evaporator?
• What is the term for the use of locks or other physical restraints to prevent the operation of specific equipment?
• What does relative humidity indicate?
• What number should be called to notify authorities in an emergency?
• What does maintaining proper humidity in an HVAC system help prevent?
• What is the main role of a condenser in a refrigeration system?
• Which of the following is not a unit of energy?
• What type of pressure is produced by a fan when air is in motion?
• What type of work is referred to as the repair of a known problem before a breakdown occurs?
• True or False: Facility maintenance downtime cost is usually less than industrial maintenance downtime cost.
• A low pressure boiler operates up to a maximum pressure of what?
• What is the term for the quantity of heat required to raise the temperature of 1 lb of water by 1ºF?
• Which is a typical function of a building maintenance technician?
• What term describes the process of removing unwanted heat and transferring it to a less impactful place?
• Which device is commonly used to distribute conditioned air within a building?
• How many degrees Fahrenheit are equivalent to 17 degrees Celsius?
• How many electrical degrees separate each leg in a three-phase AC current?
• In building maintenance, what does the term "PM" stand for?
• What is the term for the lowest part of the water side of a water tube boiler that collects sediment?
• How often is the NEC updated?
• Why is notifying authorities quickly in an emergency important?
• What is the primary objective of using protective equipment in the workplace?
• Why is a compound gauge named so?
• When measuring voltage with a voltmeter, how should it be connected?
• What is a typical use of a log book in a maintenance environment?
• In the context of energy, what does BTU stand for?
• Which organization serves as the United States representative to ISO?
• What is a document that details work required to complete specific maintenance tasks called?
• How many volts is a millivolt?
• What are the three main values in Ohm's law?
• True or False: Safety valves on a boiler are designed to open slowly.
• Which component is responsible for expanding refrigerant and dropping its pressure?
• What is the term for the temperature below which moisture in the air begins to condense?
• What type of electrical device melts and opens the circuit during overload conditions?
• What is a cogeneration plant designed to do?
• What kind of maintenance is done in response to a breakdown?
• What type of circuit has a complete path for current flow?
• What type of equipment is considered protective equipment?
• The component in which low pressure refrigerant liquid vaporizes into a low pressure vapor is the __________.
• What is a plant survey?
• What is a fume produced from volatilized solids that condenses in cool air called?
• When electric current discharges across a gap, what is this phenomenon referred to as?
• Which of the following statements is true about fluids in building maintenance?
• What dictates work priority procedures in maintenance?
• Which pressure measurement is typical for high pressure boilers?
• What is the predictive maintenance technique that indicates and analyzes the presence of acids, dirt, fuel, and wear particles in a system?
• Is adhesive bonding effective for joining dissimilar metals and plastics?
• What type of keys are shaped like a half moon?
• Why are electronic files more popular for storing maintenance information?
• What does the term "AWG" stand for in electrical wiring?
• What does continual education for maintenance personnel focus on?
• What is the banging condition in steam lines caused by rapid water movement called?
• What type of electrical current flows in a steady direction?
• What unit is force measured in the equation F = P x A?
• What is a heat exchanger that transfers heat to a low pressure refrigerant liquid called?
• What term describes an employee who performs Lockout/Tag-out procedures?
• What do we call the sensible heat added to a substance after it has turned to vapor?
• What can be a significant result of ineffective ventilation in a building?
• Which component is used to remove heat from a high pressure refrigerant vapor?
• What is indicated by the use of thermography in maintenance?
• What particle has a negative electrical charge?
• What is the primary purpose of periodic maintenance?
• Which type of fire extinguisher is appropriate for flammable liquids?
• Which term describes the ability of a material to return to its original shape after deformation?
• What is the primary function of the Occupational Safety and Health Administration?
• The component that permits a technician to observe refrigerant flow is the __________.
• What is the term for stored energy a body possesses due to its position or condition?
• Can a continuity tester be used to measure voltage?
• Who is directly responsible for ensuring that work is performed in a safe manner?
• In a refrigeration cycle, what occurs in the condenser?
• What color respirator cartridge is needed for ammonia gas?
• What is the term for a diagram that shows a logical sequence of troubleshooting steps for given conditions?
• What is a primary function of lockout/tagout procedures?
• When operating at the Normal Operating Water Level (NOWL), how full is the gauge glass typically?
• What term describes a material that has little resistance and allows easy movement of electrons?
• What is the term for the mixture of outside air and return air that is conditioned for building use?
• What equation defines pressure?
• Which term describes the rate of doing work or using energy?
• A system that uses steam or hot water in place of a compressor to raise the temperature/pressure of the refrigerant is called a/an _____ system.
• Why is moisture removal critical in building maintenance?
• What type of inspection analyzes the appearance and sound of operating equipment?
• What is becoming more popular for storing maintenance information?
• HVAC air handler systems can be categorized into which two types?
• The process of removing ice that builds up on evaporator coils is called __________.
• What term refers to the difference in pressure that causes air or gas to flow?
• True or False: High pressure refrigerant can freeze the eyes and skin.
• What does thermal efficiency measure?
• What do interpersonal skills allow a person to do?
• Current is measured in which unit?
• BTU is an abbreviation for which term?
• What type of maintenance involves regular check-ups and preventative measures?
• Which type of condenser is most commonly used in refrigeration systems?
• What type of chart helps in troubleshooting mechanical issues?
• What does compressor burnout refer to?
• What happens to the wire diameter as the AWG number increases?
• What type of hazard area is an ordinary building or room used as a shop or storage facility?
• Do brazing and soldering produce joints stronger than welded joints?
• What does an HVAC system primarily condition?
• Which of the following is the most common HVAC complaint?
• In case of a fire, what is the first step you should take?
• What does temperature measure?
• What type of heat is added to ice that changes it into water without a visible temperature change?
• Which term refers to the documentation of work performed by maintenance technicians?
• What is the purpose of a heating coil?
• What describes high ductile materials?
• Which of the following maintenance strategies is proactive in nature?
• Can flat washers be used under a nut or bolt to spread the load over a greater area?
• What is the term for water supplied to the boiler at the proper temperature and pressure?
• What does an energy audit aim to achieve?
• What type of air does a return air system typically deal with?
• What is the main function of a circuit breaker?
• What does OSHA stand for?
• What is the term for emergency care given to an injured individual before medical assistance is available?
• Can ultrasonic sensors measure the flow of liquids and gases from outside a pipe or vessel?
• What term refers to the energy released by the flow of electrons in a conductor?
• How many pounds of water must be evaporated per hour to equal one boiler horsepower?
• Maintenance personnel are broadly classified as ____ or multi-skilled.
• What is the appropriate response if you encounter a live electrical wire during maintenance?
• Which material is known to retain its strength at very high temperatures?
• WHAT DOES NOWL STAND FOR?
• Is it true that 3-phase circuits do not always require a neutral?