Maintenance Skills Assessment Tests
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The MaintTestTM test is assembled by choosing from the Skill Topic Areas below. Each Skill Topic Area contains a total of 10 multiple choice questions. Your test can contain up to 20 topics on each test (if more are needed, the test can be broken into two separate tests.) A 10 topic test will contain 100 questions.

 MaintTest Skill Topic Areas (Download a file version)
Electrical Topic Areas - Hover over the button to the left of the topic name to see the skills and competencies covered by the topic.
✓ Ability to interpret basic circuit types.
✓ Understanding of voltage drops within a DC circuit and how to properly measure and interpret voltages within the circuit.
✓ Ability to calculate the current flow within a basic DC circuit.
✓ Understanding of power consumption within a DC circuit.
✓ Ability to perform voltage, current and resistance calculations within a parallel DC circuit.
✓ Understanding of DC sources and how DC sources can be combined in a DC circuit and their associated effect.
DC Circuit Theory

✓ Knowledge of normal frequency for AC voltages.
✓ Ability to explain the concept of root mean square in relation to AC voltages.
✓ Ability to calculate the peak voltage when given an RMS AC voltage value.
✓ Knowledge of the concept of impedance and associated symbology.
✓ Understanding of the relationship between voltage and current in inductive and capacitive circuits.
✓ Ability to calculate reactance in a circuit when given values for components.
✓ Understanding of the concept of power factor.
AC Circuit Theory

✓ Knowledge of the factors affecting the severity of an electrical shock.
✓ Knowledge of how to identify electrical sources within electrical equipment.
✓ Knowledge of protective devices that protect people from electrical shocks.
✓ Knowledge of how to properly test that a circuit is dead before performing work.
✓ Knowledge of precautions to be taken when operating breakers and disconnect.
✓ Knowledge of electrical safety equipment inspection requirements.
✓ Knowledge of equipment grounding requirements.
Electrical Safety

✓ Ability to configure a handheld digital multimeter to measure DC voltage.
✓ Ability to configure a handheld digital multimeter to measure AC current flow.
✓ Ability to configure a handheld digital multimeter to measure resistance.
✓ Ability to configure a handheld digital multimeter to measure continuity.
✓ Ability to place meter leads in the proper position to measure current flow.
✓ Understanding of how to take measurements if a meter is not auto-ranging.
✓ Understanding of internal protection provided in a meter.
✓ Knowledge of the use and application of a clamp-on ammeter.
Multimeter Use and Application

✓ Ability to identify by name the following when presented with the graphical symbol:
◊ Capacitor.
◊ Fuse.
◊ Level Switch.
◊ Battery.
◊ Resistor.
◊ Flow Switch.
◊ Full Wave Rectifier.
◊ Lamp.
✓ Knowledge of how variable components are pictorially represented.
✓ Knowledge of how timer contacts are represented to indicate their function.
Electrical Symbols

✓ Knowledge of the concept of interrupting capacity in relation to circuit protective devices.
✓ Knowledge of different types of faults in an electrical system and their effects.
✓ Knowledge of protective devices and their characteristics.
✓ Knowledge of the features and drawbacks of different protective devices.
✓ Knowledge of fuse sizing requirements.
✓ Knowledge of proper selection methods for protective devices.
Electrical Protection Principles

✓ Understanding of the component parts and their function when presented with a schematic of a basic, three phase motor controller.
✓ Ability to recognize the component parts and identify the symbology from a schematic of a three phase motor controller when presented with a picture of a component part.
✓ Ability to troubleshoot a motor controller when presented with a scenario representing a problem.
✓ Understanding of the protective devices that exist within a motor controller and the protection provided.
✓ Knowledge of the sizing of overcurrent protective devices in a motor controller.
Motor Controllers

✓ Knowledge of test equipment used to test AC motor integrity.
✓ Knowledge of methods to reverse the direction of an AC motor.
✓ Knowledge of acceptable/normal AC motor parameters.
✓ Knowledge of various mounting methods for AC motors.
✓ Ability to troubleshoot AC motor problems when given operating characteristics.
✓ Knowledge of AC motor specifications.
✓ Understanding of the concept of induction.
✓ Knowledge of AC motor wiring.
AC Motor Troubleshooting and Repair

✓ Understanding of the major sections within a PWM drive and their function.
✓ Knowledge of the wave forms present within a PWM drive.
✓ Understanding of the relationship between the speeds of an AC motor with a given frequency applied.
✓ Knowledge of the methods to reverse the direction of an AC motor.
✓ Knowledge of the components that perform pulse width modulation.
✓ Knowledge of the waveforms produced by a drive and how they affect the frequency produced by the drive.
AC Drive Theory

✓ Knowledge of basic parts of a DC motor and the function they provide.
✓ Knowledge of commutator films and ability to interpret film quality.
✓ Understanding of DC brush life and brush replacement intervals.
✓ Knowledge of factors that affect commutator film.
✓ Understanding of DC motor rotation and how to change DC motor rotation.
✓ Knowledge of DC brush spring tension.
✓ Knowledge of brush operating factors and troubleshooting.
✓ Knowledge of brush replacement procedures during maintenance.
✓ Knowledge of DC motor cleaning procedures.
✓ Knowledge of commutator periodic maintenance.
DC Motor Troubleshooting and Repair

✓ Ability to identify voltages on a given print.
✓ Ability to understand references in the drawing that are based on page numbering and line numbering.
✓ Knowledge of print symbology.
✓ Ability to read and understand component references.
✓ Knowledge of references to programmable logic controller input/output devices.
✓ Ability to read and interpret drawing wire numbering schemes.
Complex Hardwire Control Print Reading

✓ Knowledge of binary numbering systems.
✓ Understanding of the scan process within a PLC.
✓ Knowledge of binary devices used in a PLC.
✓ Knowledge of nominal current ranges for analog I/O devices.
✓ Ability to identify sections of a PLC rack when presented with a pictorial representation.
✓ Understanding of the concept of sinking and sourcing I/O and how their associated wiring is configured.
✓ Ability to read a basic ladder diagram and select the functionality provided by the logic.
PLC Fundamentals

✓ Knowledge of voltages present in industrial lighting panels.
✓ Knowledge of the common voltages present in industrial power distribution in the United States.
✓ Knowledge of the purpose for performing infrared inspection in power distribution systems.
✓ Knowledge of the periodic maintenance activities that should be performed on electrical distribution systems.
✓ Understanding of voltage levels and their purpose.
✓ Knowledge of test equipment and safety when testing voltages.
✓ Understanding of the coordination of protective devices within an electrical system.
✓ Understanding of why certain distribution components are used in a system.
Industrial Power Distribution

✓ Ability to troubleshoot common issues with fluorescent ballasts.
✓ Knowledge of common lighting system voltages.
✓ Ability to troubleshoot common problems with industrial lighting bulbs.
✓ Knowledge of industrial lighting troubleshooting steps.
✓ Knowledge of lighting fixture components and their function.
✓ Ability to troubleshoot lighting fixture components and knowledge of testing methods and proper results.
✓ Knowledge of end of life indications for industrial lighting lamps.
✓ Knowledge of operational procedures for electronic ballasts.
✓ Knowledge of common terminology in industrial lighting operation.
✓ Knowledge of troubleshooting methods and proper fixture operating parameter measurement locations.
Industrial Lighting

✓ Knowledge of the concepts of grounding and bonding and their differences.
✓ Knowledge of common symbology used to indicate various grounds.
✓ Knowledge of the fundamental reasons for grounding.
✓ Knowledge of grounding connection types.
✓ Knowledge of common grounding connections.
Grounding and Grounding Systems

✓ Ability to read transformer schematic representations and understand their meaning.
✓ Knowledge of transformer core types and their application.
✓ Understanding of the differences between step-up and step-down transformers.
✓ Ability to calculate voltages when provided with turns ratios.
✓ Ability to calculate phase and line voltages in three phase transformer applications.
✓ Knowledge of transformer losses.
✓ Understanding of the concept of instantaneous polarity.
✓ Knowledge of tap changers and their purpose.
✓ Knowledge of periodic maintenance activities needed on transformers.
✓ Knowledge of transformer protective devices.
Transformer Theory and Installation
Mechanical Topic Areas - Hover over the button to the left of the topic name to see the skills and competencies covered by the topic.

✓ Knowledge of fastener grades.
✓ Knowledge of fastener types and functions.
✓ Knowledge of fastener torque requirements.
✓ Knowledge of thread locking.
✓ Knowledge of tools used to perform various measurements of fastener characteristics.
✓ Knowledge of fastener head types and their application.
✓ Knowledge of fastener accessories and their application in a fastening system.
Industrial Hardware and Fasteners

✓ Knowledge of various types of lines used in drawings and what they are used for.
✓ Knowledge of drawing symbology and their meaning.
✓ Understanding of drawing scale and how it is represented on a drawing.
✓ Understanding of tolerances indicated on drawings.
✓ Ability to read a drawing and interpret measurements.
✓ Understanding of drawing views and projections.
✓ Ability to identify a particular view of a drawings.
Blueprint Reading

✓ Knowledge of various measurement tools.
✓ Ability to read a measurement tool when given its indication.
✓ Knowledge of conversions between metric and standard.
✓ Ability to select the proper measurement tool when presented with a type of measurement.
✓ Knowledge of equipment used to improve measurement accuracy.
✓ Knowledge of the types of measurements that can be made with various measurement tools.
Industrial Measurement and Measurement Tools

✓ Knowledge of proper tool selection for working with various fastener types.
✓ Knowledge of tool selection based on safety.
✓ Knowledge of tool setup to provide the most optimal performance and safety.
✓ Knowledge of the proper use of various tools.
✓ Knowledge of the proper direction of use for various tools.
✓ Knowledge of force capabilities for various tools and how to safely apply force.
Basic Hand Tools

✓ Knowledge of proper power tool selection when presented with a job to be performed.
✓ Knowledge of the proper tool to be selected for applying force to fasteners.
✓ Knowledge of power tool safety basics.
✓ Knowledge of power tool personal protective equipment.
✓ Knowledge of the proper methods for holding various power tools.
Portable Power Tools

✓ Knowledge of chain specifications and measurements.
✓ Knowledge of chain speeds and ratios.
✓ Knowledge of tools used for installation and repair of roller chain.
✓ Knowledge of chain connection methods and procedures.
✓ Knowledge of chain installation and proper operating parameters.
✓ Ability to troubleshoot chain problems when presented with an issue.
✓ Knowledge of chain system alignment methods and procedures.
✓ Knowledge of periodic chain maintenance inspections.
Chain Drive Systems

✓ Knowledge of V-belt sizing information.
✓ Knowledge of applications of V-belt drive systems.
✓ Knowledge V-belt replacement criteria.
✓ Knowledge of V-belt installation tools.
✓ Knowledge of V-belt maintenance practices.
✓ Knowledge of V-belt installation methods.
V-Belt Drive Systems

✓ Knowledge of basic gearbox construction.
✓ Knowledge of gearbox operating parameters.
✓ Knowledge of different types of gears and reasons for their selection.
✓ Knowledge of reasons for gearbox failure.
✓ Knowledge of gearbox periodic maintenance activities.
✓ Ability to identify gearbox problems when given gearbox conditions.
Gears and Gearbox Drive Systems

✓ Ability to identify major bearing types.
✓ Knowledge of bearing installation parameters and procedures.
✓ Knowledge of bearing tools.
✓ Knowledge of proper bearing handling practices.
✓ Knowledge of bearing failure modes.
Bearings (Rolling Element Bearings)

✓ Knowledge of all major coupling types.
✓ Knowledge of coupling installation procedures.
✓ Knowledge of the application and operating parameters for a particular coupling type.
✓ Understanding of failure modes for couplings.
✓ Knowledge of replacement criteria for couplings.
✓ Knowledge of alignment requirements for couplings.
Power Transmission Couplings

✓ Knowledge of the types of misalignment.
✓ Understanding of the reason for performing alignment.
✓ Knowledge of the impacts to alignment for machine deficiencies.
✓ Knowledge of tolerances for alignment procedures.
✓ Knowledge of operational factors and their effect on alignment.
✓ Knowledge of the proper sequence of alignment when installing rotating equipment.
Shaft and Coupling Alignment

✓ Common reasons for poor belt tracking.
✓ Knowledge of proper belt tension.
✓ Knowledge of how to properly cut belt ends square for splice installation.
✓ Knowledge of how to properly track a conveyor belt.
✓ Knowledge of different belt splice types and their application.
Flat Belt Conveyor Systems

✓ Knowledge of lubrication system components and equipment.
✓ Knowledge of the fundamentals of lubrication.
✓ Knowledge of lubricant additives and their purpose.
✓ Knowledge of how to replenish lubrication systems.
✓ Ability to identify lubricant contamination.
✓ Knowledge of cleanliness standards for lubricants.
✓ Understanding of the fundamental properties of lubricants.
✓ Knowledge of contamination sources.
✓ Knowledge of proper lubricant sampling procedures.
Lubrication and Oil Analysis

✓ Knowledge of proper application of cutting tools based on cutting tool material type.
✓ Knowledge of cutting tool types and their application.
✓ Knowledge of cutting lubricants and their purpose.
✓ Ability to identify tools used in machine setup.
✓ Knowledge of factors affecting cutting quality.
✓ Ability to read and interpret cutting tool application charts.
✓ Knowledge of thread cutting basics.
✓ Knowledge of thread repair tools and equipment.
Basic Machining (Drilling and Threading)

✓ Knowledge of component parts of machine shop equipment.
✓ Knowledge of machine tool bits and their proper application.
✓ Knowledge of the proper setup of machine shop equipment.
✓ Knowledge of machine shop equipment safety.
✓ Understanding of the factors that affect cut quality.
✓ Knowledge of machine shop tooling and fixtures.
Machine Shop Equipment and Practices (Lathe and Milling Machine)

✓ Knowledge of the proper installation procedures of packing in various components.
✓ Knowledge of the tools used for gasket and packing removal and installation.
✓ Knowledge of normal operating parameters for packed components.
✓ Knowledge of the components and their function in a gasket or packing system.
✓ Knowledge of operational factors affecting packing and gasket life.
✓ Knowledge of different gasket types.
Gaskets, Packing, and Seals

✓ Ability to identify various pump types..
✓ Knowledge of pump construction.
✓ Knowledge of proper installation and start-up procedures for new pumps.
✓ Understanding of proper rotation direction for a given pump type.
✓ Knowledge of pump failure modes.
✓ Knowledge of different classifications of pumps.
Pumps and Pump Repair

✓ Knowledge of the ratings of piping and how they are applied.
✓ Knowledge of proper pipe assembly techniques.
✓ Knowledge of piping thread characteristics and classifications.
✓ Knowledge of common piping connection methods.
✓ Understanding of piping safety precautions.
✓ Knowledge of piping assembly and disassembly tools.
Piping and Piping Repair

✓ Ability to identify major valve types by name.
✓ Understanding of the function and characteristics of major valve types.
✓ Knowledge of valve symbology.
✓ Knowledge of valve operation basics.

✓ Ability to identify various pneumatic components and identify their function.
✓ Knowledge of pneumatic component symbology.
✓ Ability to describe operational characteristics of a simple pneumatic system.
✓ Knowledge of the impact to a simple system when adjustments are made to specific components.
✓ Ability to troubleshoot pneumatic system failures.
Basic Pneumatics

✓ Ability to identify various compressed air system components and identify their function.
✓ Knowledge of compressed air filtration methods and components.
✓ Knowledge of compressed air quality and the components that effect compressed air quality.
✓ Knowledge of periodic maintenance activities for compressed air systems.
✓ Knowledge of methods to identify compressed air system issues.
Air Compressors

✓ Knowledge of the functions of various hydraulic system components.
✓ Knowledge of proper hydraulic system maintenance practices.
✓ Knowledge of hydraulic system symbology.
✓ Knowledge of fluid power dynamics in a hydraulic system.
✓ Knowledge of proper system operating parameters.
✓ Ability to calculate system load capability.
✓ Knowledge of hydraulic system failure modes.
Basic Hydraulics

✓ Knowledge of various welding joint types.
✓ Understanding of the equipment setup and configurations for the most common types of welding.
✓ Understanding of weld defects and their causes.
✓ Knowledge of safe welding practices.
✓ Knowledge of welding rules of thumb.

✓ Understanding of the hazards that exist when using an aerial lift.
✓ Knowledge of the inspection requirements for aerial lifts.
✓ Knowledge of personal protective equipment requirements when operating an aerial lift.
✓ Knowledge of the training requirements for operating an aerial lift.
✓ Knowledge of the safety limitations for operating an aerial lift.
✓ Knowledge of approval requirements for modifying an aerial lift.
✓ Knowledge of operating procedures for aerial lifts.
✓ Knowledge of aerial lift certification limits.
✓ Knowledge of proper safety procedures during operation of an aerial lift.
✓ Knowledge of proper procedures to follow in the event an abnormal condition is encountered.
Aerial Lift Operation and Safety
Building Topic Areas - Hover over the button to the left of the topic name to see the skills and competencies covered by the topic.

✓ Knowledge of carpentry saws and proper selection for the job.
✓ Knowledge of standard lumber dimensions.
✓ Knowledge of tools used to make cuts.
✓ Knowledge of wood joinery.
✓ Knowledge of the functions of common carpentry tools.
✓ Knowledge of wood fasteners and their selection.
✓ Knowledge of proper framing techniques.
✓ Knowledge of finish carpentry tools.
Basic Carpentry

✓ Knowledge of common plumbing piping configurations.
✓ Understanding of how to properly create various common plumbing joints.
✓ Ability to troubleshoot common plumbing problems in common plumbing fixtures.
✓ Knowledge of plumbing tools and their use.
✓ Knowledge of plumbing supplies and their proper application.

✓ Knowledge of refrigeration tools and their use to troubleshoot and maintain refrigeration systems.
✓ Knowledge of refrigeration safety equipment.
✓ Knowledge of HVAC system wiring.
✓ Ability to troubleshoot refrigeration system problems from their indications.
✓ Knowledge of refrigeration types and environmental impacts.
✓ Knowledge of the refrigeration cycle.
✓ Refrigeration safety.
HVAC Heating, Ventilating, and Air Conditioning Repair and Troubleshooting

✓ Knowledge of residential power supply voltages and configuration.
✓ Knowledge of common wiring tools and their application.
✓ Knowledge of electrical circuit safety devices and how they operate.
✓ Knowledge of common circuit wiring sizes.
✓ Knowledge of electrical outlet wiring and conventions.
✓ Knowledge of the proper application of electrical safety devices.
✓ Knowledge of common electrical problems and their indications.
✓ Knowledge of electrical installation requirements.
✓ Knowledge of common wiring configurations.
✓ Knowledge of common electrical wiring operating measurements.
Electrical Wiring Maintenance, Troubleshooting and Repair

✓ Knowledge of common repair practices for damaged drywall components.
✓ Knowledge of common tools and supplies required for drywall finishing.
✓ Knowledge of drywall installation materials and how to properly work with them.
✓ Knowledge of installation techniques and tools to create smooth joints.
✓ Knowledge of drywall screw installation methods and quality requirements.
✓ Knowledge of drywall installation hardware sizes and requirements.
✓ Knowledge of screw spacing requirements for drywall installation.
✓ Knowledge of drywall materials used for installation in wet environments.
✓ Knowledge of drywall panel installation order.
✓ Knowledge of drywall installation tools.
Drywall Installation and Repair

✓ Knowledge of proper water heater setpoints.
✓ Knowledge of the proper frequency of periodic water heater maintenance tasks.
✓ Knowledge of water heater safety devices and their purpose.
✓ Knowledge of water heater components and their purpose.
✓ Knowledge of common component characteristics and their use for troubleshooting.
✓ Knowledge of the proper actions to take for various component failures.
✓ Knowledge of operational troubleshooting steps for component issues.
✓ Knowledge of normal gas water heater operating characteristics.
✓ Knowledge of proper water heater safety practices and actions.
Water Heater Maintenance, Troubleshooting and Repair
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