NETA 1 Exam Questions with
Complete Solutions55
Define: Not readily accessible to persons unless special means for access are used - ANSWERS-
Isolate
What size cable would you expect to find on ASTM Grade 2 personal protective grounds? -
ANSWERS-1/0
What size cable would you expect to find on ASTM Grade 1 personal protective grounds? -
ANSWERS-2
What size cable would you expect to find on ASTM Grade 3 personal protective grounds? -
ANSWERS-2/0
What size cable would you expect to find on ASTM Grade 4 personal protective grounds? -
ANSWERS-3/0
What size cable would you expect to find on ASTM Grade 5 personal protective grounds? -
ANSWERS-4/0
What size cable would you expect to find on ASTM Grade 6 personal protective grounds? -
ANSWERS-250 kcmil
What size cable would you expect to find on ASTM Grade 7 personal protective grounds? -
ANSWERS-350 kcmil
,If a = 2 and b = 3, find the value of 1/a - 1/b + 1/ab - ANSWERS-1/3
As a battery starts discharging, its internal voltage decreases. - ANSWERS-?
The henry is a unit of measurement of: - ANSWERS-Inductance
A given 12VDC circuit measures a resistance of 3 ohms, how many amperes flow through the
circuit? - ANSWERS-4
Who is the main federal agency charged with the enforcement of safety and health legislation? -
ANSWERS-Occupational Safety and Health Administration
What type of hard hats are a good choice for protection against blows to the top and sides of
the head? - ANSWERS-Type 2
What type of hard hats are a good choice for protection against blows to the top of the head? -
ANSWERS-Type I
What is a common chemical which has an NFPA 704 rating of Blue = 1, Red = 3, Yellow = 0, and
White = blank?
A. Gasoline,
B. Acetone
C. Nitrogen - ANSWERS-Acetone, Nitrogen, Gasoline
Who has the authority to enforce The NEC? - ANSWERS-Local authority having jurisdiction
Which of the following components would you not expect to find inside an Automatic Transfer
Switch?
,1. Engine start control
2. Voltage relay
3. Interlocks
4. Current balance relay
5. Logic panel - ANSWERS-4. Current balance relay
What is Real Power & its unit? - ANSWERS-W - the power actually consumed due to the resistive
load
What is Reactive Power & its unit? - ANSWERS-VAR - represents electrical energy stored in the
coil that then flows back to the grid
What is Apparent Power & its unit? - ANSWERS-VA - the power the grid must be able to
withstand
What is Power Factor & its unit? - ANSWERS-kW - The ratio between real power and apparent
power is known as power factor. Power factor must be as close as possible to one
Before personnel are allowed to operate a power circuit breaker they must first understand the
________ of the breaker.
1. construction
2. operating principles
3. hazards
4. all of the above - ANSWERS-4. all of the above
A test meter that uses a scale and pointer to indicate values is a(n) _____ meter.
1. needle
2. null
, 3. digital
4. analog - ANSWERS-4. analog
If a hard hat sustains impact it should be _____. - ANSWERS-replaced
Line voltage and phase voltage are the same in the ____ configuration. - ANSWERS-Delta
In Y-connected sources and loads, which are greater, line voltages or phase voltages? -
ANSWERS-Line voltages greater than phase voltages (and line currents equal to phase currents)
Capacitance is measured in: - ANSWERS-Farads
Each switchboard used as service equipment should be provided with a main bonding jumper.
True or False - ANSWERS-True
What is 4^3 - ANSWERS-64
The ________ section of a switchboard receives power from the service section and feeds it to
various downstream loads. - ANSWERS-distribution
Calculate the net inductance value of a circuit having four parallel inductors, each having a
rating of 8 Henry. - ANSWERS-2 H
System voltage could be read through a micro processing relay by which of the following? PTs,
CTs, Phase Angle, Main Breaker interrupting current - ANSWERS-PTs
Find the product of 5.09 and 1.4 rounded to the nearest tenth. - ANSWERS-7.1
Complete Solutions55
Define: Not readily accessible to persons unless special means for access are used - ANSWERS-
Isolate
What size cable would you expect to find on ASTM Grade 2 personal protective grounds? -
ANSWERS-1/0
What size cable would you expect to find on ASTM Grade 1 personal protective grounds? -
ANSWERS-2
What size cable would you expect to find on ASTM Grade 3 personal protective grounds? -
ANSWERS-2/0
What size cable would you expect to find on ASTM Grade 4 personal protective grounds? -
ANSWERS-3/0
What size cable would you expect to find on ASTM Grade 5 personal protective grounds? -
ANSWERS-4/0
What size cable would you expect to find on ASTM Grade 6 personal protective grounds? -
ANSWERS-250 kcmil
What size cable would you expect to find on ASTM Grade 7 personal protective grounds? -
ANSWERS-350 kcmil
,If a = 2 and b = 3, find the value of 1/a - 1/b + 1/ab - ANSWERS-1/3
As a battery starts discharging, its internal voltage decreases. - ANSWERS-?
The henry is a unit of measurement of: - ANSWERS-Inductance
A given 12VDC circuit measures a resistance of 3 ohms, how many amperes flow through the
circuit? - ANSWERS-4
Who is the main federal agency charged with the enforcement of safety and health legislation? -
ANSWERS-Occupational Safety and Health Administration
What type of hard hats are a good choice for protection against blows to the top and sides of
the head? - ANSWERS-Type 2
What type of hard hats are a good choice for protection against blows to the top of the head? -
ANSWERS-Type I
What is a common chemical which has an NFPA 704 rating of Blue = 1, Red = 3, Yellow = 0, and
White = blank?
A. Gasoline,
B. Acetone
C. Nitrogen - ANSWERS-Acetone, Nitrogen, Gasoline
Who has the authority to enforce The NEC? - ANSWERS-Local authority having jurisdiction
Which of the following components would you not expect to find inside an Automatic Transfer
Switch?
,1. Engine start control
2. Voltage relay
3. Interlocks
4. Current balance relay
5. Logic panel - ANSWERS-4. Current balance relay
What is Real Power & its unit? - ANSWERS-W - the power actually consumed due to the resistive
load
What is Reactive Power & its unit? - ANSWERS-VAR - represents electrical energy stored in the
coil that then flows back to the grid
What is Apparent Power & its unit? - ANSWERS-VA - the power the grid must be able to
withstand
What is Power Factor & its unit? - ANSWERS-kW - The ratio between real power and apparent
power is known as power factor. Power factor must be as close as possible to one
Before personnel are allowed to operate a power circuit breaker they must first understand the
________ of the breaker.
1. construction
2. operating principles
3. hazards
4. all of the above - ANSWERS-4. all of the above
A test meter that uses a scale and pointer to indicate values is a(n) _____ meter.
1. needle
2. null
, 3. digital
4. analog - ANSWERS-4. analog
If a hard hat sustains impact it should be _____. - ANSWERS-replaced
Line voltage and phase voltage are the same in the ____ configuration. - ANSWERS-Delta
In Y-connected sources and loads, which are greater, line voltages or phase voltages? -
ANSWERS-Line voltages greater than phase voltages (and line currents equal to phase currents)
Capacitance is measured in: - ANSWERS-Farads
Each switchboard used as service equipment should be provided with a main bonding jumper.
True or False - ANSWERS-True
What is 4^3 - ANSWERS-64
The ________ section of a switchboard receives power from the service section and feeds it to
various downstream loads. - ANSWERS-distribution
Calculate the net inductance value of a circuit having four parallel inductors, each having a
rating of 8 Henry. - ANSWERS-2 H
System voltage could be read through a micro processing relay by which of the following? PTs,
CTs, Phase Angle, Main Breaker interrupting current - ANSWERS-PTs
Find the product of 5.09 and 1.4 rounded to the nearest tenth. - ANSWERS-7.1
