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NETA NETA_2 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Systems and Commissioning5%- System-Level Testing
  • 1. System verification and documentation
    • 2. Commissioning procedures
      Topic 2: Electrical Testing Fundamentals and Theory25%- Measurement Principles
      • 1. Instrumentation usage
        • 2. Test data interpretation
          - Basic Electrical Theory
          • 1. AC/DC fundamentals
            • 2. Ohm's law and power relationships
              Topic 3: Component Testing55%- Electrical Equipment Testing
              • 1. Transformers insulation resistance testing
                • 2. Circuit breakers testing procedures
                  • 3. Protective devices and relays overview
                    • 4. Cables and insulation diagnostics
                      Topic 4: Safety15%- Electrical Safety Fundamentals
                      • 1. Lockout/Tagout procedures
                        • 2. Hazard identification and risk mitigation
                          • 3. Arc flash and shock hazard awareness

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                            NETA Level 2 Certified Assistant Electrical Testing Specialist Sample Questions (Q93-Q98):

                            NEW QUESTION # 93
                            Electromotive force (EMF) is measured in:

                            Answer: C

                            Explanation:
                            Electromotive force represents electrical potential difference and is measured involts. NETA Level 2 technicians encounter EMF when evaluating generators, transformers, batteries, and induced voltages during testing and commissioning activities.


                            NEW QUESTION # 94
                            Which property of an insulating liquid is defined as thelowest temperature at which sufficient vapor is produced to ignite?

                            Answer: A

                            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 # 95
                            Sample valves should be flushed with at least how much waste liquid before collecting a transformer oil sample?

                            Answer: B

                            Explanation:
                            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.


                            NEW QUESTION # 96
                            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 # 97
                            Under what condition istagout without lockoutpermitted according to OSHA and NETA safety practices?

                            Answer: B

                            Explanation:
                            Lockout/tagout (LOTO) procedures are a fundamental safety requirement emphasized throughout NETA Level 2 objectives and OSHA 1910.147. Lockout is always the preferred method because it provides a physical restraintpreventing unexpected energization. However, OSHA permitstagout aloneonly under very limited circumstances. One such circumstance is when theenergy-isolating device is not capable of being locked, such as older disconnects or valves without lock provisions.
                            In these cases, tagout must be supplemented withadditional protective measuresto provide an equivalent level of safety. These measures may include removal of an isolating circuit element, blocking of a control switch, opening of an extra disconnecting device, or removal of fuses. Simply tagging equipment without addressing the lack of physical restraint is not acceptable.
                            NETA Level 2 technicians must understand that tagout doesnotprovide the same level of protection as lockout. Tags are warnings only and do not physically prevent operation. Therefore, tagout alone is never permitted merely for convenience, voltage level, or supervisory permission. The inability to lock the device is the critical condition that allows tagout to be used, and even then, only with additional safeguards in place.


                            NEW QUESTION # 98
                            ......

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