Reliable NETA_2 Practice Exam Learning Materials: NETA Level 2 Certified Assistant Electrical Testing Specialist - TorrentVCE

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NETA NETA_2 Exam Syllabus Topics:

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

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NETA Level 2 Certified Assistant Electrical Testing Specialist Sample Questions (Q66-Q71):

NEW QUESTION # 66
Each switchboard used asservice equipmentmust be provided with amain bonding jumper.

Answer: A

Explanation:
A main bonding jumper is required to connect the grounded conductor (neutral) to the equipment grounding conductor at the service disconnect. This establishes a low-impedance fault return path necessary for overcurrent devices to operate promptly. NETA Level 2 technicians must verify proper bonding during acceptance and maintenance inspections because improper bonding can lead to elevated touch potentials and ineffective fault clearing.


NEW QUESTION # 67
Medium-voltage cable, as defined by NEC Article 328, is rated atwhat minimum voltage?

Answer: C

Explanation:
NEC Article 328 defines medium-voltage cable as cable rated1001 volts or higher, up to 35 kV. This distinction affects installation rules, testing requirements, and safety procedures. NETA Level 2 technicians must correctly classify cable systems to apply appropriate test methods and voltages.


NEW QUESTION # 68
To reverse the direction of rotation of a three-phase induction motor, which action is required?

Answer: B

Explanation:
The direction of rotation of a three-phase motor is determined by thephase sequenceof the supply voltage.
Reversingany two phase conductorschanges the phase sequence, which reverses the rotating magnetic field in the stator and therefore reverses motor rotation.
NETA Level 2 technicians frequently verify motor rotation during commissioning and after maintenance.
Understanding phase rotation is essential when performing bump tests, troubleshooting incorrect rotation, or verifying wiring after motor replacement. Reversing all three phases would preserve the original phase sequence and would not change rotation.


NEW QUESTION # 69
A transformer contains insulating fluid with aspecific gravity greater than 1. From where should the oil sample be drawn?

Answer: A

Explanation:
Specific gravity greater than 1 means the insulating fluid isheavier than water. Any free water contamination will settlebelowthe oil. To avoid collecting settled contaminants and to obtain a representative oil sample, NETA practice requires sampling from thetop of the tank.
Correct sampling technique is critical for accurate dielectric, moisture, and dissolved gas analysis results.
NETA Level 2 technicians must understand fluid properties to avoid misleading test conclusions.


NEW QUESTION # 70
Duringprimary current injection testingof a low-voltage circuit breaker, the breaker trips instantaneously at
8× its long-time pickup setting, even though the instantaneous element is set to10×. What is the MOST likely cause?

Answer: B

Explanation:
CT saturation occurs when the CT core cannot accurately reproduce high fault currents, causing distorted secondary current. This distortion can falsely trigger the instantaneous element at a lower current than expected. NETA Level 2 technicians must recognize CT saturation as a common cause of unexpected trip behavior during primary injection testing, particularly at high multiples of pickup.


NEW QUESTION # 71
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