NETA 3 2026 Question and Answer |
Complete Revision Pack | Grade A+
• The maximum overcurrent protection for 14 AWG copper conductor
is? -✓✓15 Amps
• How is lagging power factor improved using a synchronous motor? -
✓✓Raise excitation of field winding
• In most installations, capacitors cases are not required to be connected
to the equipment grounding conductor. TRUE or FALSE -✓✓FALSE
• Visual inspections or checks are not required on circuits not energized
or not carrying current at the time of an infrared survey. TRUE or
FALSE -✓✓FALSE
• Energy in a capacitor is stored as a(n): -✓✓Electrostatic charge
• When performing resistance tests on a transformer winding, core
saturation happened typically when the test current is about ___% of
rated current. -✓✓1%
• Which type of test sensor is best used for detection PD in tanks filled
with dielectric? -✓✓Acoustic Emission (AE) Sensor
• A relay with either a definite or inverse time characteristic that
functions when the current in the AC circuit exceed a predetermined
value. -✓✓50: Instantaneous Overcurrent Relay
• When multiple auxiliary rod, pip, or plate electrodes are installed for
providing a ground system, they shall no be less than ________apart. -
✓✓6 feet
, • What is the primary danger associated with burn-out control lights in
switchgear? -✓✓Its possible protective devices will not fuction
• In thermal imaging systems, what is the range from the lowest
temperature to the highest on the temperature scale known as? -
✓✓Dynamic Range
• Fuse-holders for cartridge fuses shall be so designed that it is difficult
to put a fuse of any given class into a fuse-holder that is designed for a
_____ lower or a _____ higher than that of the class to which the fuse
belongs. -✓✓current / voltage
• What is the approximate sum of the following two vectors? Magnitude
10 at 120° and magnitude 15 at 90° -✓✓magnitude 24 at 102°
• OSHA 29 CFR 1910.269 states that employers shall ensure the outer
layer of clothing worn by an employee, except for clothing not required
to be arc rated, is flame resistant under certain conditions. Which of the
conditions listed is incorrect? -✓✓The incident heat energy exceeds 1.2
cal/cm2 (squared)
• What is the purpose of testing the outputs from the station level in an
IEC 61850 system? -✓✓To verify the operation of circuit breaker
controls
• The best location for installation of a surge arrester is: -✓✓At the
service terminals of the equipment it is protecting
• IEC 61850 does not distinguish between protection and operations
information, they are handled at the application level. TRUE or FALSE
-✓✓TRUE
Complete Revision Pack | Grade A+
• The maximum overcurrent protection for 14 AWG copper conductor
is? -✓✓15 Amps
• How is lagging power factor improved using a synchronous motor? -
✓✓Raise excitation of field winding
• In most installations, capacitors cases are not required to be connected
to the equipment grounding conductor. TRUE or FALSE -✓✓FALSE
• Visual inspections or checks are not required on circuits not energized
or not carrying current at the time of an infrared survey. TRUE or
FALSE -✓✓FALSE
• Energy in a capacitor is stored as a(n): -✓✓Electrostatic charge
• When performing resistance tests on a transformer winding, core
saturation happened typically when the test current is about ___% of
rated current. -✓✓1%
• Which type of test sensor is best used for detection PD in tanks filled
with dielectric? -✓✓Acoustic Emission (AE) Sensor
• A relay with either a definite or inverse time characteristic that
functions when the current in the AC circuit exceed a predetermined
value. -✓✓50: Instantaneous Overcurrent Relay
• When multiple auxiliary rod, pip, or plate electrodes are installed for
providing a ground system, they shall no be less than ________apart. -
✓✓6 feet
, • What is the primary danger associated with burn-out control lights in
switchgear? -✓✓Its possible protective devices will not fuction
• In thermal imaging systems, what is the range from the lowest
temperature to the highest on the temperature scale known as? -
✓✓Dynamic Range
• Fuse-holders for cartridge fuses shall be so designed that it is difficult
to put a fuse of any given class into a fuse-holder that is designed for a
_____ lower or a _____ higher than that of the class to which the fuse
belongs. -✓✓current / voltage
• What is the approximate sum of the following two vectors? Magnitude
10 at 120° and magnitude 15 at 90° -✓✓magnitude 24 at 102°
• OSHA 29 CFR 1910.269 states that employers shall ensure the outer
layer of clothing worn by an employee, except for clothing not required
to be arc rated, is flame resistant under certain conditions. Which of the
conditions listed is incorrect? -✓✓The incident heat energy exceeds 1.2
cal/cm2 (squared)
• What is the purpose of testing the outputs from the station level in an
IEC 61850 system? -✓✓To verify the operation of circuit breaker
controls
• The best location for installation of a surge arrester is: -✓✓At the
service terminals of the equipment it is protecting
• IEC 61850 does not distinguish between protection and operations
information, they are handled at the application level. TRUE or FALSE
-✓✓TRUE