NETA 1 Exam Questions with Correct Answers
Define: Not readily accessible to persons unless special means for access are used
Isolate
What size cable would you expect to find on ASTM Grade 2 personal protective
grounds?
1/0
What size cable would you expect to find on ASTM Grade 1 personal protective
grounds?
2
What size cable would you expect to find on ASTM Grade 3 personal protective
grounds?
2/0
What size cable would you expect to find on ASTM Grade 4 personal protective
grounds?
3/0
What size cable would you expect to find on ASTM Grade 5 personal protective
grounds?
4/0
What size cable would you expect to find on ASTM Grade 6 personal protective
grounds?
250 kcmil
,What size cable would you expect to find on ASTM Grade 7 personal protective
grounds?
350 kcmil
If a = 2 and b = 3, find the value of 1/a - 1/b + 1/ab
1/3
As a battery starts discharging, its internal voltage decreases.
?
The henry is a unit of measurement of:
Inductance
A given 12VDC circuit measures a resistance of 3 ohms, how many amperes flow
through the circuit?
4
Who is the main federal agency charged with the enforcement of safety and health
legislation?
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?
Type 2
What type of hard hats are a good choice for protection against blows to the top of the
head?
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
Acetone, Nitrogen, Gasoline
Who has the authority to enforce The NEC?
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
4. Current balance relay
What is Real Power & its unit?
W - the power actually consumed due to the resistive load
What is Reactive Power & its unit?
VAR - represents electrical energy stored in the coil that then flows back to the grid
What is Apparent Power & its unit?
VA - the power the grid must be able to withstand
, What is Power Factor & its unit?
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
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
4. analog
If a hard hat sustains impact it should be _____.
replaced
Line voltage and phase voltage are the same in the ____ configuration.
Delta
In Y-connected sources and loads, which are greater, line voltages or phase voltages?
Line voltages greater than phase voltages (and line currents equal to phase currents)
Define: Not readily accessible to persons unless special means for access are used
Isolate
What size cable would you expect to find on ASTM Grade 2 personal protective
grounds?
1/0
What size cable would you expect to find on ASTM Grade 1 personal protective
grounds?
2
What size cable would you expect to find on ASTM Grade 3 personal protective
grounds?
2/0
What size cable would you expect to find on ASTM Grade 4 personal protective
grounds?
3/0
What size cable would you expect to find on ASTM Grade 5 personal protective
grounds?
4/0
What size cable would you expect to find on ASTM Grade 6 personal protective
grounds?
250 kcmil
,What size cable would you expect to find on ASTM Grade 7 personal protective
grounds?
350 kcmil
If a = 2 and b = 3, find the value of 1/a - 1/b + 1/ab
1/3
As a battery starts discharging, its internal voltage decreases.
?
The henry is a unit of measurement of:
Inductance
A given 12VDC circuit measures a resistance of 3 ohms, how many amperes flow
through the circuit?
4
Who is the main federal agency charged with the enforcement of safety and health
legislation?
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?
Type 2
What type of hard hats are a good choice for protection against blows to the top of the
head?
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
Acetone, Nitrogen, Gasoline
Who has the authority to enforce The NEC?
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
4. Current balance relay
What is Real Power & its unit?
W - the power actually consumed due to the resistive load
What is Reactive Power & its unit?
VAR - represents electrical energy stored in the coil that then flows back to the grid
What is Apparent Power & its unit?
VA - the power the grid must be able to withstand
, What is Power Factor & its unit?
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
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
4. analog
If a hard hat sustains impact it should be _____.
replaced
Line voltage and phase voltage are the same in the ____ configuration.
Delta
In Y-connected sources and loads, which are greater, line voltages or phase voltages?
Line voltages greater than phase voltages (and line currents equal to phase currents)
