NETA III COMPLETE STUDY GUIDE WITH
SOLVED QUESTIONS
◉ The maximum overcurrent protection for 14 AWG copper
conductor is?
Answer: 15 Amps
◉ How is lagging power factor improved using a synchronous
motor?
Answer: Raise excitation of field winding
◉ In most installations, capacitors cases are not required to be
connected to the equipment grounding conductor. TRUE or FALSE
Answer: 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
Answer: FALSE
◉ Energy in a capacitor is stored as a(n):
Answer: Electrostatic charge
,◉ When performing resistance tests on a transformer winding, core
saturation happened typically when the test current is about ___% of
rated current.
Answer: 1%
◉ Which type of test sensor is best used for detection PD in tanks
filled with dielectric?
Answer: 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.
Answer: 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.
Answer: 6 feet
◉ What is the primary danger associated with burn-out control
lights in switchgear?
Answer: 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?
Answer: 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.
Answer: current / voltage
◉ What is the approximate sum of the following two vectors?
Magnitude 10 at 120° and magnitude 15 at 90°
Answer: 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?
Answer: 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?
Answer: To verify the operation of circuit breaker controls
SOLVED QUESTIONS
◉ The maximum overcurrent protection for 14 AWG copper
conductor is?
Answer: 15 Amps
◉ How is lagging power factor improved using a synchronous
motor?
Answer: Raise excitation of field winding
◉ In most installations, capacitors cases are not required to be
connected to the equipment grounding conductor. TRUE or FALSE
Answer: 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
Answer: FALSE
◉ Energy in a capacitor is stored as a(n):
Answer: Electrostatic charge
,◉ When performing resistance tests on a transformer winding, core
saturation happened typically when the test current is about ___% of
rated current.
Answer: 1%
◉ Which type of test sensor is best used for detection PD in tanks
filled with dielectric?
Answer: 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.
Answer: 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.
Answer: 6 feet
◉ What is the primary danger associated with burn-out control
lights in switchgear?
Answer: 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?
Answer: 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.
Answer: current / voltage
◉ What is the approximate sum of the following two vectors?
Magnitude 10 at 120° and magnitude 15 at 90°
Answer: 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?
Answer: 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?
Answer: To verify the operation of circuit breaker controls
