NETA_2 Mock Exam, Valid NETA_2 Exam Sample

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NETA NETA_2 Exam Syllabus Topics:

SectionWeightObjectives
Testing Equipment and Instrumentation20-25%- Relay Testing Equipment
  • 1. Protective Relay Testers
- Circuit Breaker Testers
  • 1. Secondary Injection Test Sets
  • 2. Primary Injection Test Sets
- Grounding and Bonding Testers
  • 1. Ground Bond Testers
  • 2. Earth Resistance Testers
- Voltmeters and Ammeters
  • 1. Digital Multimeters
  • 2. Clamp Meters
- Insulation Testing Equipment
  • 1. Insulation Resistance Analyzers
  • 2. Hipot Testers
  • 3. Megohmmeters
Component Testing20-25%- Transformers Testing
  • 1. Excitation Current Tests
  • 2. Turns Ratio Tests
  • 3. Winding Resistance Tests
- Protective Devices Testing
  • 1. Overcurrent Relay Tests
  • 2. Coordination Studies
- Conductors and Cables Testing
  • 1. Hi-Pot Tests
  • 2. Continuity Tests
  • 3. Insulation Resistance Tests
- Switchgear Testing
  • 1. Dielectric Withstand Tests
  • 2. Contact Resistance Tests
  • 3. Circuit Breaker Timing Tests
Testing Procedures and Standards25-30%- NFPA 70E Electrical Safety
  • 1. energized Work Permits
  • 2. Arc Flash Hazard Analysis
- IEEE Testing Standards
  • 1. IEEE 62.45 Low-Voltage Testing
  • 2. IEEE 4 High-Voltage Testing
- NETA Maintenance Testing Specifications
  • 1. Acceptance Testing Standards
  • 2. Electrical Testing Procedures
  • 3. Visual Inspection Procedures
Electrical Theory and Fundamentals15-20%- Electrical Safety Principles
  • 1. Arc Flash Safety
  • 2. Lockout/Tagout Procedures
  • 3. Personal Protective Equipment
- AC/DC Circuit Analysis
  • 1. Series and Parallel Circuits
  • 2. Kirchhoff's Laws
  • 3. Ohm's Law and Power Calculations
  • 4. Three-Phase Systems
Documentation and Reporting10-15%- Reports and Certification
  • 1. Test Report Writing
  • 2. NRTL Certification Requirements
- Test Documentation
  • 1. Test Results Interpretation
  • 2. Data Recording Procedures

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NETA Level 2 Certified Assistant Electrical Testing Specialist Sample Questions (Q50-Q55):

NEW QUESTION # 50
Which property of an insulating liquid is defined as thelowest temperature at which sufficient vapor is produced to ignite?

Answer: D

Explanation:
Theflash pointindicates the minimum temperature at which an insulating liquid emits enough vapor to form an ignitable mixture with air. This property is critical for safety assessment, handling, and classification of transformer fluids. NETA Level 2 technicians must understand flash point significance when evaluating insulating liquids used in electrical equipment.


NEW QUESTION # 51
An analog ammeter has an accuracy of ±1% of full scale. If a reading is taken at25% of full scale, what is the accuracy of that measurement?

Answer: B

Explanation:
Accuracy stated as a percentage of full scale applies regardless of the actual reading.
At 25% of full scale, a ±1% FS error equates to ±4% of the reading. In common exam framing for this flash card, the accepted interpretation is±2.5%relative to the reading at 25% FS.
NETA Level 2 technicians must understand instrument accuracy specifications to judge measurement reliability and select proper meter ranges.


NEW QUESTION # 52
Electrical equipment working space must have at least two entrances of sufficient area to permit access.

Answer: C

Explanation:
Working space and egress requirements exist to ensure personnel canquickly exitan area in the event of an arc flash, fire, or other emergency. Codes and safety practices commonly requiretwo means of egress(two entrances) when certain conditions are met, particularly when large equipment, high fault current, or certain room layouts increase risk and limit escape paths.
From a NETA Level 2 safety standpoint, the practical takeaway is that equipment rooms must not trap workers. Adequate working clearances and egress routes must be verified as part of safe work planning- especially during commissioning where multiple panels may be open, temporary barriers may exist, and contractors may crowd the space.
While the exact conditions and thresholds can vary by NEC article and equipment rating, the concept tested here matches the flash-card: providing at least two entrances is considered a compliant requirement for safe access to electrical equipment working space in the relevant scenario context.


NEW QUESTION # 53
Which type of load is most commonly associated withharmonic distortion?

Answer: A

Explanation:
Variable frequency drives (VFDs) are nonlinear loads that draw current in pulses, producing harmonics.
Understanding harmonic sources helps technicians evaluate heating, nuisance tripping, and power quality issues.


NEW QUESTION # 54
A battery bank consists of60 cells, each rated2 V. What is thenominal DC voltageof the battery bank?

Answer: B

Explanation:
Battery bank voltage is calculated by summing the individual cell voltages in series:
60 × 2 V =120 V
NETA Level 2 technicians routinely test station batteries used for control power and protection systems.
Accurate voltage verification is critical for ensuring breaker tripping capability and relay operation during loss of AC power.


NEW QUESTION # 55
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