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Quizzes > General Knowledge & Mixed

Maintenance Practice Test: Check Your Basic Skills

Quick, free maintenance quiz. Instant results and score tracking.

Editorial: Review CompletedCreated By: Sokha PhalleapUpdated Aug 24, 2025
Difficulty: Moderate
2-5mins
Learning OutcomesCheat Sheet
Paper art illustration for maintenance skills quiz on a sky blue background

This maintenance practice test helps you check core skills like safety, lubrication, inspections, and basic troubleshooting. You'll get instant results to track your score and spot gaps, and you can build on these skills with the basic orientation plus practice test and the stationary engineer practice test.

Which safety procedure must be completed before servicing an energized machine to prevent unexpected startup?
Reduce speed to the lowest setting
Lockout-tagout (LOTO) to isolate all energy sources and verify zero energy
Announce work over the PA system
Place a caution cone near the machine
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What is the primary purpose of a preventive maintenance (PM) schedule?
To increase spare parts turnover
To shorten training time
To reduce unplanned downtime by performing tasks at defined intervals
To fix equipment after it fails
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What instrument is best for checking insulation resistance on a motor winding?
Manometer
Megohmmeter (megger) applying a DC test voltage
Tachometer
Clamp ammeter
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Which metric measures the average time to repair an asset after a failure occurs?
MTTR (Mean Time To Repair) indicates repair duration
TAKT time
MTBF
OEE
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Which document provides hazard information and first-aid measures for chemicals used in maintenance?
Work order
Packing slip
Time card
SDS (Safety Data Sheet) with sections on hazards and response
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The statement: Hot work permits are required for tasks that generate heat or sparks in controlled areas.
True
False
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Which lubricant is most appropriate for a high-speed ball bearing in a sealed electric motor?
Heavy ISO VG 220 gear oil
Multi-purpose ATF
NLGI 2 polyurea grease rated for electric motor bearings (EMB) to resist oxidation and channeling
Graphite dry film
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In a CMMS, which field best supports analyzing asset reliability over time?
Lunch break duration
Technician shirt size
Failure codes with standardized taxonomy for modes and causes
Vendor phone extension
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The statement: A torque wrench should be stored at its highest scale setting to maintain spring tension.
True
False
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The statement: A confined space may require continuous atmospheric monitoring even if initially tested as safe.
True
False
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Which HVAC filter rating provides the best particle capture for 1–3 micron particulates in offices?
MERV 4
MERV 8
MERV 2
MERV 13 balances efficiency and airflow for fine particles
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In a hydraulic system, excessive aeration most likely causes which symptom?
Decreased fluid temperature
Silent, smooth operation
Foamy fluid and spongy actuator response
High static pressure only
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What is the correct sequence for effective lockout-tagout?
Notify, shut down, isolate, apply LOTO devices, dissipate stored energy, verify zero, perform work
Shut down, perform work, notify
Apply tag, perform work, verify zero, remove tag
Isolate, perform work, verify zero, notify
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Which condition monitoring method detects bearing defects via frequency harmonics like BPFO and BPFI?
Infrared thermography alone
Ultrasonic leak detection
Vibration analysis with spectrum and envelope detection
Oil color comparison by eye
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Which tool is best for verifying shaft alignment to within 0.001 in tolerance on rotating equipment?
Feeler gauge only
Laser shaft alignment system for precision alignment
Tape measure
Spirit level
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Which action best reduces cavitation risk in a centrifugal pump?
Throttle suction valve
Use a larger motor
Lower discharge pressure only
Increase NPSHa by reducing suction losses or raising liquid level
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Which failure analysis method ranks risk by Severity, Occurrence, and Detection?
Ishikawa diagram alone
5 Why only
Pareto chart
FMEA with RPN calculation
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Which indicator most directly tracks planner-scheduler effectiveness?
Number of assets
Overtime percentage
Inventory turns
Schedule compliance (planned vs executed within window)
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Which document outlines asset management requirements aligned with lifecycle value realization?
ISO 14001
ISO 55001 asset management system requirements
SAE AS9100
ISO 10002
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Which method quickly checks for winding shorts between turns without full disassembly?
Tachometer test
Surge comparison test detects turn-to-turn faults
Strobe light inspection
Ohmmeter continuity only
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Study Outcomes

  1. Understand Key Maintenance Concepts -

    Gain a clear grasp of the fundamental principles covered by maintenance test questions, from routine inspections to safety protocols.

  2. Identify Common Faults and Failures -

    Pinpoint typical equipment issues and troubleshooting steps often featured in maintenance assessment tests and maintenance skills tests.

  3. Apply Diagnostic Techniques -

    Use proven methods from maintenance practice tests to systematically diagnose mechanical and electrical problems.

  4. Analyze Quiz Performance -

    Interpret your maintenance test questions quiz results to highlight strengths, weaknesses, and areas needing further study.

  5. Evaluate Readiness for Technician Exams -

    Assess how well you're prepared for real-world maintenance technician assessment tests and certification exams.

  6. Improve Targeted Maintenance Skills -

    Develop a personalized study plan to address gaps identified in the maintenance skills test and boost overall expertise.

Cheat Sheet

  1. Preventive Maintenance Scheduling -

    Master the use of Mean Time Between Failures (MTBF) and Mean Time To Repair (MTTR) to plan maintenance intervals effectively. Apply the formula Availability = MTBF / (MTBF + MTTR) (source: IEEE Reliability Society) when answering maintenance test questions on system uptime. Remember the mnemonic "B4, After, Repair" to recall Lifecycle checks: before failure and after repair.

  2. Lockout-Tagout Procedures -

    Know OSHA's 29 CFR 1910.147 standard steps: prepare, shut down, isolate energy, apply locks/tags, verify isolation. In maintenance practice tests, identify each phase correctly to prevent unexpected startups. Use the phrase "Stop, Isolate, Verify, Notify" to lock in the correct sequence.

  3. Root Cause Analysis Techniques -

    Familiarize yourself with the 5 Whys™ method and Ishikawa fishbone diagrams (source: ASQ) to pinpoint failure origins in troubleshooting scenarios. Many maintenance skills test questions present layered faults - keep asking "Why?" until you reach the fundamental cause. A tip: chart your answers on a fishbone to visualize categories like Materials, Methods, and Machinery.

  4. Condition Monitoring Methods -

    Review key non-destructive techniques - vibration analysis, infrared thermography, and oil particle counting (ISO 18436). Maintenance assessment tests often include interpreting vibration spectra or thermal images to spot bearing wear. Think "VIS" (Vibration, Infrared, Spectroscopy) as a quick recall for condition checks.

  5. Lubrication Fundamentals -

    Understand grease vs. oil selection, viscosity grades (ISO VG numbers), and re-lubrication intervals from the SKF Lubrication Handbook. Practice maintenance technician assessment test questions on calculating grease refill frequency using the Rule of 8: refill at 1/3, 2/3, full life. Mnemonic "VILL" (Viscosity, Interval, Lubricant type, Location) helps you ace related quiz items.

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