NETA 2 – Questions With Accurate Solutions
Under what considerations can tag out without lock out be permitted?
Correct Answer - ***&If an energy isolating device is not capable of being
locked
For PV systems, a(n) _____ is a device that changes direct-current input to an
alternating-current output. Correct Answer - Inverter
Identify the contact pictured above. (NC and NO separated by a node)
Correct Answer - Form C
When applying personal protective grounds, which end is attached first?
Correct Answer - ***&The equipment end
An induction motor has 40kVA input power, a power factor of 82 percent, and
an efficiency of 92 percent. What is the horsepower? Correct Answer -
***&30.2 HP
How many connection points would you expect to find on a kelvin bridge?
Correct Answer - 4
You arrive at a job to perform acceptance testing on a new-indoor 15KV
switch lineup. While the equipment has been installed multiple covers are off
there are power conductors hanging with taped ends. What should you do?
Correct Answer - ***&Visually confirm that the source of power have already
been de-energized and lock out
What is the turns ratio of a 3-phase 500kVA, 13,200-480 volt rated delta-delta
transformer that is 80% loaded? Correct Answer - ***&22.000
***27.500
ASTM D 924 is a required acceptance test for liquid-filled transformers with
natural ester insulating fluid per NETA standards. Correct Answer -
***&True
,NETA-ATS requires test decals be affixed on the exterior of equipment or
equipment enclosure of protective devices after performing electrical tests.
Which color test decal would you affix to a piece of equipment with a minor
deficiency that does not affect its fault detection or operation? Correct
Answer - Yellow
What is meant by a "dead tank breaker?" Correct Answer - The external
tank is grounded.
If you have your ground conductor running through your zero-sequence CT
with your current carrying conductors, what will happen? Correct
Answer - Ground fault protection won't function
Which of the following would best describe a 52 device: Correct Answer -
AC circuit breaker
A series circuit has two resistors. The resistors dissipate 10 W and 15 W.
What is the total power dissipation of the circuit? Correct Answer - 25
W
Which of the following would be the best choice for use in both the conductive
and mechanical areas of circuit breakers and switches? Correct Answer -
Mobil 28
What is the power factor temperature correction value for new mineral oil?
Correct Answer - ***&20C/40C
OSHA requires the testing of a volt meter after a voltage test on voltage above
______. Correct Answer - 600V
A tagout device must be strong enough to remain attached under a minimum
of ____ lbs of force. Correct Answer - 50
A piece of wire that is 0.001 inches in diameter and 12 inches long is one mil-
foot. Correct Answer - True
At least 2 entrances of sufficient area must be provided giving access to the
electrical equipment working space. Correct Answer - ***&True
, What is the Restricted Approach Boundary for a 69kV system? Correct
Answer - ***&3 ft 10 in.
Which portion of the transmission system experiences faults occur most
frequently? Correct Answer - Overhead lines
To reverse the direction of rotation of a three-phase motor, reverse:
Correct Answer - any two leads
When can an unqualified person enter the Limited Approach Space?
Correct Answer - ***&They are never allowed within the Limited Approach
space
Cells are connected in series to increase: Correct Answer - ***Voltage
rating
The three-phase connection in which one end of each of the windings are
connected together is called the _____ connection. Correct Answer -
***delta
What is the recommended minimum insulation-resistance value for motor
windings made before 1970? Correct Answer - ***100 Megohms per kV
+1
A digital multimeter, when set to read voltage, has an input impedance of
Correct Answer - ***a fixed, high impedance regardless of range
Class 00 rubber insulating gloves are proof tested at 2,500 VAC, what color
label would you expect to find on these gloves? Correct Answer -
***White
Write three thousand fortyeight tenthousandths in decimal form. Correct
Answer - ***0.3048
What is the primary purpose of the National Electrical Code? Correct
Answer - ***The practical safeguarding of persons and property from
electrical hazards.
Under what considerations can tag out without lock out be permitted?
Correct Answer - ***&If an energy isolating device is not capable of being
locked
For PV systems, a(n) _____ is a device that changes direct-current input to an
alternating-current output. Correct Answer - Inverter
Identify the contact pictured above. (NC and NO separated by a node)
Correct Answer - Form C
When applying personal protective grounds, which end is attached first?
Correct Answer - ***&The equipment end
An induction motor has 40kVA input power, a power factor of 82 percent, and
an efficiency of 92 percent. What is the horsepower? Correct Answer -
***&30.2 HP
How many connection points would you expect to find on a kelvin bridge?
Correct Answer - 4
You arrive at a job to perform acceptance testing on a new-indoor 15KV
switch lineup. While the equipment has been installed multiple covers are off
there are power conductors hanging with taped ends. What should you do?
Correct Answer - ***&Visually confirm that the source of power have already
been de-energized and lock out
What is the turns ratio of a 3-phase 500kVA, 13,200-480 volt rated delta-delta
transformer that is 80% loaded? Correct Answer - ***&22.000
***27.500
ASTM D 924 is a required acceptance test for liquid-filled transformers with
natural ester insulating fluid per NETA standards. Correct Answer -
***&True
,NETA-ATS requires test decals be affixed on the exterior of equipment or
equipment enclosure of protective devices after performing electrical tests.
Which color test decal would you affix to a piece of equipment with a minor
deficiency that does not affect its fault detection or operation? Correct
Answer - Yellow
What is meant by a "dead tank breaker?" Correct Answer - The external
tank is grounded.
If you have your ground conductor running through your zero-sequence CT
with your current carrying conductors, what will happen? Correct
Answer - Ground fault protection won't function
Which of the following would best describe a 52 device: Correct Answer -
AC circuit breaker
A series circuit has two resistors. The resistors dissipate 10 W and 15 W.
What is the total power dissipation of the circuit? Correct Answer - 25
W
Which of the following would be the best choice for use in both the conductive
and mechanical areas of circuit breakers and switches? Correct Answer -
Mobil 28
What is the power factor temperature correction value for new mineral oil?
Correct Answer - ***&20C/40C
OSHA requires the testing of a volt meter after a voltage test on voltage above
______. Correct Answer - 600V
A tagout device must be strong enough to remain attached under a minimum
of ____ lbs of force. Correct Answer - 50
A piece of wire that is 0.001 inches in diameter and 12 inches long is one mil-
foot. Correct Answer - True
At least 2 entrances of sufficient area must be provided giving access to the
electrical equipment working space. Correct Answer - ***&True
, What is the Restricted Approach Boundary for a 69kV system? Correct
Answer - ***&3 ft 10 in.
Which portion of the transmission system experiences faults occur most
frequently? Correct Answer - Overhead lines
To reverse the direction of rotation of a three-phase motor, reverse:
Correct Answer - any two leads
When can an unqualified person enter the Limited Approach Space?
Correct Answer - ***&They are never allowed within the Limited Approach
space
Cells are connected in series to increase: Correct Answer - ***Voltage
rating
The three-phase connection in which one end of each of the windings are
connected together is called the _____ connection. Correct Answer -
***delta
What is the recommended minimum insulation-resistance value for motor
windings made before 1970? Correct Answer - ***100 Megohms per kV
+1
A digital multimeter, when set to read voltage, has an input impedance of
Correct Answer - ***a fixed, high impedance regardless of range
Class 00 rubber insulating gloves are proof tested at 2,500 VAC, what color
label would you expect to find on these gloves? Correct Answer -
***White
Write three thousand fortyeight tenthousandths in decimal form. Correct
Answer - ***0.3048
What is the primary purpose of the National Electrical Code? Correct
Answer - ***The practical safeguarding of persons and property from
electrical hazards.
