3RD YEAR ELECTRIC 2026/2027 || VERIFIED
QUESTIONS & ANSWERS || HIGH-
YIELD ELECTRICAL ENGINEERING REVIEW ||
CIRCUIT ANALYSIS, POWER
SYSTEMS, MACHINES & CONTROL SYSTEMS ||
COMPLETE STUDY GUIDE || EXAM-READY TEST
BANK || GRADED A+
When are overcurrent protective devices (OCPDs), such as
fuses, circuit breakers, and protective relays allowed to be
modified? - CORRECT ANSWER - OCPDs cannot be modified
at any time
NFPA 70E requires that the contract employer inform its
employees of ___. - CORRECT ANSWER - hazards the host
employer has communicated to the contract employer
It is not required to verify that a circuit or equipment has
been deenergized as
long as all of the other steps of the lockout/tagout
procedure have been performed. - CORRECT ANSWER -
False
The ___ is the distance from exposed energized conductors
or circuit parts where bare skin would receive the
equivalent of 1.2 cal/cm2. - CORRECT ANSWER - Arc Flash
Boundary
An arc flash hazard analysis is used to determine ___. -
CORRECT ANSWER - a. potential electrical arc flash
hazards b. the required PPE
,c. the Arc Flash Boundary
Tags used for lockout/tagout may include ___. - CORRECT
ANSWER - a. the length of time the equipment is expected
to be out of service b. the phone number of the worker
who placed the tag
c. the name of the worker who placed the tag
Employers who exercise "due diligence" is an employer
who is proactive with regard to safety. - CORRECT ANSWER
- True
A qualified person must be trained in the skills and
techniques to determine nominal voltage. - CORRECT
ANSWER - True
Which of the following devices is not recommended for
performing absence of voltage tests? - CORRECT ANSWER
- Noncontact voltage tester
The ___ step is probably the most important step in a
lockout/tagout procedure. - CORRECT ANSWER - test for
the absence of voltage
The NFPA 70E recommends ___ training for electrical
workers. - CORRECT ANSWER - a. instructor led classroom
b. on the job
,An electrical safety program should include a section
on ___. - CORRECT ANSWER - a. procedures b. principles
c. responsibility
The Multi-Employer Worksite Policy from OSHA categorizes
employers into ___ roles. - CORRECT ANSWER - 4
NFPA 70E requires that CPR training be certified by the
employer every ___ year(s). - CORRECT ANSWER - one
A written, documented electrical safety program is ___
than a verbal one. - CORRECT ANSWER - more effective
A(n) ___ conductor carries circuit current in normal
operation. - CORRECT ANSWER - neutral
The human body is a good conductor because it is mostly
salt water. -
CORRECT ANSWER - True
Electrical faults cause all the following types of stresses,
except ___. -
CORRECT ANSWER - seismic
The point of division of line and load is located at the ___. -
CORRECT
, ANSWER - overcurrent devices in the service
disconnecting means
Total opposition to current flow in an alternating current
(ac) circuit is ___. -
CORRECT ANSWER - impedance
One of the most important goals of the Multi-Employer
Worksite Policy from OSHA is to ensure that ___. -
CORRECT ANSWER - c. good communication occurs
between the contractors working on the site
The Approach boundaries are viewed as a barrier
extending ___ degrees around an exposed energized
conductor or circuit part. - CORRECT ANSWER - 360
Potential difference refers to which of the following? -
CORRECT ANSWER
- voltage
The symbol used for impedance in an electrical formula is
___. - CORRECT ANSWER - Z
Potential difference is a value measured in ohms. -
CORRECT ANSWER - False
O'Riley's first rule for electrical installations is to make
them ___. -
CORRECT ANSWER - safe
QUESTIONS & ANSWERS || HIGH-
YIELD ELECTRICAL ENGINEERING REVIEW ||
CIRCUIT ANALYSIS, POWER
SYSTEMS, MACHINES & CONTROL SYSTEMS ||
COMPLETE STUDY GUIDE || EXAM-READY TEST
BANK || GRADED A+
When are overcurrent protective devices (OCPDs), such as
fuses, circuit breakers, and protective relays allowed to be
modified? - CORRECT ANSWER - OCPDs cannot be modified
at any time
NFPA 70E requires that the contract employer inform its
employees of ___. - CORRECT ANSWER - hazards the host
employer has communicated to the contract employer
It is not required to verify that a circuit or equipment has
been deenergized as
long as all of the other steps of the lockout/tagout
procedure have been performed. - CORRECT ANSWER -
False
The ___ is the distance from exposed energized conductors
or circuit parts where bare skin would receive the
equivalent of 1.2 cal/cm2. - CORRECT ANSWER - Arc Flash
Boundary
An arc flash hazard analysis is used to determine ___. -
CORRECT ANSWER - a. potential electrical arc flash
hazards b. the required PPE
,c. the Arc Flash Boundary
Tags used for lockout/tagout may include ___. - CORRECT
ANSWER - a. the length of time the equipment is expected
to be out of service b. the phone number of the worker
who placed the tag
c. the name of the worker who placed the tag
Employers who exercise "due diligence" is an employer
who is proactive with regard to safety. - CORRECT ANSWER
- True
A qualified person must be trained in the skills and
techniques to determine nominal voltage. - CORRECT
ANSWER - True
Which of the following devices is not recommended for
performing absence of voltage tests? - CORRECT ANSWER
- Noncontact voltage tester
The ___ step is probably the most important step in a
lockout/tagout procedure. - CORRECT ANSWER - test for
the absence of voltage
The NFPA 70E recommends ___ training for electrical
workers. - CORRECT ANSWER - a. instructor led classroom
b. on the job
,An electrical safety program should include a section
on ___. - CORRECT ANSWER - a. procedures b. principles
c. responsibility
The Multi-Employer Worksite Policy from OSHA categorizes
employers into ___ roles. - CORRECT ANSWER - 4
NFPA 70E requires that CPR training be certified by the
employer every ___ year(s). - CORRECT ANSWER - one
A written, documented electrical safety program is ___
than a verbal one. - CORRECT ANSWER - more effective
A(n) ___ conductor carries circuit current in normal
operation. - CORRECT ANSWER - neutral
The human body is a good conductor because it is mostly
salt water. -
CORRECT ANSWER - True
Electrical faults cause all the following types of stresses,
except ___. -
CORRECT ANSWER - seismic
The point of division of line and load is located at the ___. -
CORRECT
, ANSWER - overcurrent devices in the service
disconnecting means
Total opposition to current flow in an alternating current
(ac) circuit is ___. -
CORRECT ANSWER - impedance
One of the most important goals of the Multi-Employer
Worksite Policy from OSHA is to ensure that ___. -
CORRECT ANSWER - c. good communication occurs
between the contractors working on the site
The Approach boundaries are viewed as a barrier
extending ___ degrees around an exposed energized
conductor or circuit part. - CORRECT ANSWER - 360
Potential difference refers to which of the following? -
CORRECT ANSWER
- voltage
The symbol used for impedance in an electrical formula is
___. - CORRECT ANSWER - Z
Potential difference is a value measured in ohms. -
CORRECT ANSWER - False
O'Riley's first rule for electrical installations is to make
them ___. -
CORRECT ANSWER - safe
