NETA_2テキスト、NETA_2復習内容

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NETA NETA_2 Exam Syllabus Topics:

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

>> NETA_2テキスト <<

NETA_2復習内容、NETA_2日本語版問題解説

NETA_2参考資料を使用したお客様からいい評価をもらいました。NETA_2参考資料は多くの人の絶対いい選択です。NETA_2参考資料の難点については、弊社の専門家ガ例を挙げて説明します。そうすれば、わかりやすく、覚えやすいです。弊社の NETA_2参考資料は実践に基づいて、専門的な知識の蓄積です。だから、NETA_2試験のために、弊社の商品を選ばれば、後悔することがないです。

NETA Level 2 Certified Assistant Electrical Testing Specialist 認定 NETA_2 試験問題 (Q38-Q43):

質問 # 38
Power factor is defined as:

正解：A

解説：
Power factor is the ratio ofreal power (watts)toapparent power (volt-amperes). This ratio indicates how effectively electrical power is being converted into useful work. NETA Level 2 technicians must understand power factor when evaluating system efficiency, loading, and the impact of reactive components.


質問 # 39
You arrive to perform acceptance testing on a newly installed indoor 15 kV switchgear lineup. Covers are removed and conductors are exposed with taped ends. What is thecorrect initial action?

正解：D

解説：
Before any testing or inspection begins, NETA safety practices require verification of anelectrically safe work condition. Even newly installed equipment may be energized unintentionally or improperly isolated.
Exposed conductors increase the risk of shock and arc flash.
The correct action is tovisually confirm that all sources of power have been de-energized, followed by properlockout/tagoutprocedures. This ensures no unexpected energization can occur during testing activities.
NETA Level 2 technicians must never assume equipment is safe based on installation status. Safety verification always precedes inspection, testing, or commissioning work.


質問 # 40
A series circuit contains two resistors. One resistor dissipates 10 W and the other dissipates 15 W. What is the total power dissipation?

正解：A

解説：
In a series circuit (or any circuit),total poweris the sum of the power dissipated by each element. If one resistor dissipates 10 W and the other dissipates 15 W, then:
Total Power = 10 W + 15 W =25 W
NETA Level 2 technicians must be comfortable with basic electrical math because field testing often requires verifying expected values, sanity-checking readings, and confirming that instruments and test setups make sense. Power relationships also appear in evaluating loading, heating, and potential abnormal conditions.
While in many real-world cases you might calculate power using P = VI, P = I²R, or P = V²/R, in this question the element power dissipations are already provided, making the total a straightforward sum.
This concept also supports troubleshooting: if measured losses appear inconsistent with expected totals, it may indicate incorrect metering connections, inaccurate instrument scaling, or problems such as loose connections causing unexpected heating and power loss.


質問 # 41
Sample valves should be flushed with at least how much waste liquid before collecting a transformer oil sample?

正解：B

解説：
NETA-recommended oil sampling practices require flushing the sampling valve withat least one quartof waste liquid. This removes stagnant oil, debris, and contaminants that could skew test results.
Accurate oil analysis depends heavily on proper sampling technique. NETA Level 2 technicians must follow flushing and cleanliness requirements to ensure valid dielectric and moisture analysis.


質問 # 42
What is the purpose of ablow-out coilin a circuit breaker?

正解：D

解説：
A blow-out coil produces a magnetic field that forces the arc into an arc chute, lengthening and cooling it to aid extinction. NETA Level 2 technicians must understand arc-control mechanisms when inspecting breaker design and evaluating interruption performance.


質問 # 43
......

実際に、多くの受験者はNETA_2試験に合格したいです。難しいですが、自分自身はより良いものになりたいので、やはりチャレンジしたいです。そのような場合、NETA_2学習教材のようないい資料が必要です。NETA_2学習教材を利用すれば、あなたはNETA_2試験を簡単にパスできます。

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