Air Force 3E071 Electrical Systems Practice Exam
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Air Force 3E071 – Electrical Systems Craftsman
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The Air Force 3E071 Electrical Systems practice exam is designed for professionals who supervise electrical projects, enforce safety standards, and mentor junior technicians in power systems. As technology evolves and industry demands grow more complex; this credential validates your ability to apply real-world skills and knowledge using Air Force tools and frameworks. Passing this exam positions you as a trusted expert, capable of solving high-impact challenges and contributing to secure, scalable, and efficient systems.
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Test Your Knowledge of Air Force 3E071 Electrical Systems
Question #1
A craftsman is leading a team during a base-wide power outage.
What is the first step in restoring service?
A) Notify public affairs
B) Inspect substations and breakers
C) Replace all fuses
D) Submit a work order
Solution
Correct answers: B – Explanation:
Inspecting substations and breakers identifies the source of the outage and guides restoration efforts.
Question #2
A craftsman is mentoring a journeyman on grounding systems.
What is the primary purpose of a grounding electrode?
A) Increase voltage
B) Provide a safe path for fault currents
C) Improve lighting
D) Reduce current flow
Solution
Correct answers: B – Explanation:
Grounding electrodes protect personnel and equipment by safely directing fault currents to earth.
Question #3
A craftsman is preparing a cost estimate for an in-service electrical upgrade.
What must be included?
A) Personal preferences
B) Engineered performance standards
C) Weather forecast
D) Uniform requirements
Solution
Correct answers: B – Explanation:
Engineered performance standards ensure accurate labor and material estimates.
Question #4
A craftsman is reviewing a facility’s electrical layout for compliance.
What code governs installation standards?
A) NFPA 70
B) AFI 36-2903
C) OSHA 1910
D) IEEE 802.3
Solution
Correct answers: A – Explanation:
NFPA 70 (National Electrical Code) sets installation standards for safety and compliance.
Question #5
A craftsman is coordinating repairs on an airfield lighting system.
What component must be inspected first?
A) Visual glide slope indicators
B) Taxiway reflectors
C) Approach light transformers
D) Runway paint
Solution
Correct answers: C – Explanation:
Transformers power the lighting system and must be inspected to ensure functionality.
Question #6
A craftsman is troubleshooting a motor controller failure.
What resource provides diagnostic guidance?
A) Safety incident log
B) Technical orders and wiring diagrams
C) Fitness tracker
D) Uniform code
Solution
Correct answers: B – Explanation:
Technical orders and diagrams help identify faults and guide repairs.
Question #7
A craftsman is overseeing manhole entry operations.
What safety protocol must be enforced?
A) Use of rubber gloves
B) Air sampling for toxic gases and oxygen levels
C) Immediate entry without delay
D) Submit a work order
Solution
Correct answers: B – Explanation:
Air sampling ensures safe breathing conditions and prevents exposure to hazardous gases.
Question #8
A craftsman is updating training records for electrical personnel.
What system tracks upgrade training?
A) MilPDS
B) AFTR
C) DEERS
D) DTS
Solution
Correct answers: B – Explanation:
Inspecting substations and breakers identifies the source of the outage and guides restoration efforts.
Question #9
A craftsman is inspecting overhead lines for pest damage.
What issue is most critical to identify?
A) Paint fading
B) Loose hardware and structural deterioration
C) Bird nests
D) Tree height
Solution
Correct answers: B – Explanation:
Loose hardware and deterioration compromise safety and reliability of the distribution system.
Question #10
A craftsman is planning a facility survey for a new installation.
What is the first step?
A) Submit a purchase request
B) Review engineered drawings
C) Conduct a site walk to assess resource needs
D) Order materials
Solution
Correct answers: C – Explanation:
A site walk identifies physical constraints and resource requirements before planning begins.
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