Question 1

Insulators do not conduct electricity well, if at all.

Accepted Answer

A) True 
 B)False  True

Question 2

A short circuit is one in which the load has been removed or is bypassed.

Accepted Answer

A) True 
 B)False  True

Question 3

Static electricity is produced by a surplus or deficiency of electrons on the surface of material.

Accepted Answer

A) True 
 B)False  True

Question 4

Interconnected power strips are known as what?

Accepted Answer

A) Daisy chains 
B) Power chains 
C) Wiring chains 
D) None of the above 
A) Daisy chains 
B) Power chains 
C) Wiring chains 
D) None of the above

Question 5

OSHA's standards relating to electricity are found in:

Accepted Answer

A) 29 CFR 1910.919 
B) 29 CFR 1910 (Subpart 
E)  
C) 29 CFR 1910 (Subpart S) 
D) 29 CFR 1910.654(2)(i) 
A) 29 CFR 1910.919 
B) 29 CFR 1910 (Subpart 
E)  
C) 29 CFR 1910 (Subpart S) 
D) 29 CFR 1910.654(2)(i)

Question 6

Conductors are substances that have no free electrons at room temperature.

Accepted Answer

A) True 
 B)False

Question 7

Power is measured in watts.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following are common sources of electrical hazards?

Accepted Answer

A) Bare wires and deteriorated insulation 
B) Dampness and static electricity 
C) Both A and B 
D) Neither A nor B 
A) Bare wires and deteriorated insulation 
B) Dampness and static electricity 
C) Both A and B 
D) Neither A nor B

Question 9

The latest version of NFPA 70E omitted maintenance requirements for molded-case circuit breakers.

Accepted Answer

A) True 
 B)False

Question 10

Electricity is the flow of negatively charged particles through an electrically conductive material.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following is not used for reducing static buildup?

Accepted Answer

A) Antistatic materials 
B) Radioactive neutralizers 
C) Fuses 
D) Ionizers 
A) Antistatic materials 
B) Radioactive neutralizers 
C) Fuses 
D) Ionizers

Question 12

Which of the following are covered in the latest version of NFPA 70E?

Accepted Answer

A) Fuses 
B) Protective devices 
C) A and B 
D) None of the above 
A) Fuses 
B) Protective devices 
C) A and B 
D) None of the above

Question 13

Frequency is measured in hertz.

Accepted Answer

A) True 
 B)False

Question 14

Current flow is measured in ohms.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following statements about an electric spark is most accurate?

Accepted Answer

A) Is a result of a bad grounding wire 
B) Involves little power and is discharged into a small space 
C) Is created by static electricity only 
D) Can cause electrocution 
A) Is a result of a bad grounding wire 
B) Involves little power and is discharged into a small space 
C) Is created by static electricity only 
D) Can cause electrocution

Question 16

A common 110 volt electric circuit consists of two components: hot wire and ground wire.

Accepted Answer

A) True 
 B)False

Question 17

Atoms have a centrally located nucleus consisting primarily of electrons.

Accepted Answer

A) True 
 B)False

Question 18

Approximately how many injuries occur each year as a result of improper use of extension cords?

Accepted Answer

A) 18,000 
B) 346,500 
C) 1,000,000 
D) 2,500 
A) 18,000 
B) 346,500 
C) 1,000,000 
D) 2,500

Exam 18: Electrical Hazards

Insulators do not conduct electricity well, if at all.

A short circuit is one in which the load has been removed or is bypassed.

Static electricity is produced by a surplus or deficiency of electrons on the surface of material.

Interconnected power strips are known as what?

OSHA's standards relating to electricity are found in:

Conductors are substances that have no free electrons at room temperature.

Power is measured in watts.

Which of the following are common sources of electrical hazards?

The latest version of NFPA 70E omitted maintenance requirements for molded-case circuit breakers.

Electricity is the flow of negatively charged particles through an electrically conductive material.

Which of the following is not used for reducing static buildup?

Which of the following are covered in the latest version of NFPA 70E?

Frequency is measured in hertz.

Current flow is measured in ohms.

Which of the following statements about an electric spark is most accurate?

A common 110 volt electric circuit consists of two components: hot wire and ground wire.

Atoms have a centrally located nucleus consisting primarily of electrons.

Approximately how many injuries occur each year as a result of improper use of extension cords?

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