NETA_2인기자격증덤프공부자료 & NETA_2최신덤프샘플문제다운

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NETA NETA_2 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Electrical Testing Fundamentals and Theory	25%	- Basic Electrical Theory 1. Ohm's law and power relationships 2. AC/DC fundamentals - Measurement Principles 1. Test data interpretation 2. Instrumentation usage
Topic 2: Component Testing	55%	- Electrical Equipment Testing 1. Protective devices and relays overview 2. Circuit breakers testing procedures 3. Transformers insulation resistance testing 4. Cables and insulation diagnostics
Topic 3: Safety	15%	- Electrical Safety Fundamentals 1. Lockout/Tagout procedures 2. Arc flash and shock hazard awareness 3. Hazard identification and risk mitigation
Topic 4: Systems and Commissioning	5%	- System-Level Testing 1. System verification and documentation 2. Commissioning procedures

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최신 NETA CAETS NETA_2 무료샘플문제 (Q39-Q44):

질문 # 39
Cells are connected inseriesin order to increase:

A. Current capacity
B. Internal resistance stability
C. Voltage rating
D. Power output

정답：C

설명：
When electrical cells are connected in series, their individual voltages add together, increasing the overall voltage ratingof the battery string. Current capacity remains the same as that of a single cell.
NETA Level 2 technicians frequently encounter battery banks used for control power, protective relays, and emergency systems. Understanding series versus parallel connections is essential when testing battery voltage, interpreting readings, and diagnosing capacity or voltage issues during commissioning and maintenance.

질문 # 40
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?

A. Thermal memory enabled
B. Improper test lead placement
C. Incorrect short-time delay setting
D. CT saturation

정답：D

설명：
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.

질문 # 41
To reverse the direction of rotation of a three-phase induction motor, which action is required?

A. Reverse the neutral conductor
B. Reverse all three phase conductors
C. Reverse the control circuit polarity
D. Reverse any two phase conductors

정답：D

설명：
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.

질문 # 42
Which trigonometric function is equal to theopposite side divided by the hypotenuseof a right triangle?

A. Tangent
B. Cosine
C. Sine
D. Secant

정답：C

설명：
Thesineof an angle is defined as the ratio of the opposite side to the hypotenuse. Trigonometry is used in power factor analysis, phasor relationships, impedance calculations, and AC circuit analysis. NETA Level 2 technicians must understand these relationships when evaluating voltage, current, and phase angles in testing scenarios.

질문 # 43
Determine theRMS voltageof a sinusoidal waveform displayed on an oscilloscope showing 0.45 V peak with a vertical sensitivity of 0.2 V/division.

A. 0.32 V
B. 0.20 V
C. 0.45 V
D. 0.64 V

정답：A

설명：
RMS voltage for a sine wave equals peak voltage divided by #2:
V### = 0.45 ÷ 1.414 #0.32 V
NETA Level 2 technicians must understand RMS values because most electrical measurements and equipment ratings are based on RMS quantities, not peak values.

질문 # 44
......

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