Test Bank For Electricity for The Trades 3rd Edition by
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Course
Electricity - Test Bank
Institution
Electricity - Test Bank
Electricity for the Trades, 3e (Petruzella)
Chapter 3 Sources and Characteristics of Electricity
1) One of the simplest ways to produce static electricity is by friction.
Answer: TRUE
Difficulty: 1 Easy
Learning Objective: Explain how static positive and negative charges are produced. Bloom's:...
,Electricity for the Trades, 3e (Petruzella)
Chapter 1 Safety
1) Electric shock occurs when the body becomes part of the electric circuit.
Answer: TRUE
Difficulty: 1 Easy
Learning Objective: Identify the factors that determine the severity of an electric shock.
Bloom's: Remember
Accessibility: Keyboard Navigation
2) The lower the body resistance, the greater the potential electric shock hazard.
Answer: TRUE
Difficulty: 1 Easy
Learning Objective: Identify the factors that determine the severity of an electric shock.
Bloom's: Remember
Accessibility: Keyboard Navigation
3) A relatively small percentage of workplace accidents are associated with arc flash.
, 10) Generally, any voltage above ________ volts is considered dangerous.
A) 6
B) 12
C) 30
D) 120
Answer: C
Difficulty: 1 Easy
Learning Objective: Identify the factors that determine the severity of an electric shock.
Bloom's: Remember
Accessibility: Keyboard Navigation
11) Generally, any current flow through the body above ________ is considered dangerous.
A) 5 milliamperes
B) 1 ampere
C) 5 amperes
D) 15 amperes
Answer: A
Difficulty: 1 Easy
Learning Objective: Identify the factors that determine the severity of an electric shock.
Bloom's: Remember
Accessibility: Keyboard Navigation
12) According to Ohm's law and assuming a body path resistance of 100 ohms, what amount of
current would flow if a person came in contact with 120 V?
A) 1.2 amperes
B) 0.833 amperes
C) 12 milliamperes
D) 83.3 milliamperes
Answer: A
Difficulty: 2 Medium
Learning Objective: Identify the factors that determine the severity of an electric shock.
Bloom's: Remember
Accessibility: Keyboard Navigation
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