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ATT FC COMP TEST Questions and Answers 100%
Verified UPDATED!!!
What three factors determine the severity of an electric shock?
- ANSWER 1) Amount of current flowing through the body, 2)
Path of current through the body, 3) Length of time the body is
in the circuit
How much current can be lethal? - ANSWER 50-150
milliamperes
How much more DC than AC does it take to freeze a body to a
conductor? - ANSWER 5 times: 12 ma AC, 60 ma DC
What are three types of burns? - ANSWER 1) Electrical, 2) Arc,
3) Thermal Contact
What are three well-known examples of electrical protection
devices - ANSWER 1) Fuse, 2) Circuit Breakers, 3) Ground-Fault
Circuit Interrupters (GFCIs)
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Never use ____ or ____ to extinguish an electrical fire because
they are electrically conductive substances. - ANSWER water,
foam
What are the 4 steps that should be taken in the case of an
electrical fire? - ANSWER 1) de-energize, 2) call the fire
department, 3) control / put out the fire, 4) report fire
Schematic diagrams are drawn so that the date or signal flows
through the circuit from ____ to ____. - ANSWER left, right
What are the two methods to troubleshoot a circuit? - ANSWER
1) trial and error, 2) logical procedure
What are the four steps to troubleshooting a circuit? - ANSWER
1) Analyze the circuit, 2) Check the setup, 3) Calculate and
measure values, 4) Check the results.
What are three characteristics of an open? - ANSWER 1) infinite
resistance, 2) no circuit current, 3) measure applied voltage
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What are three characteristics of a short? - ANSWER 1) no
resistance, 2) increases circuit current, 3) measures 0 voltage
What are the three characteristics of a changed value? -
ANSWER 1) resistance increases or decreases, 2) increases or
decreases circuit current, 3) measures voltage other than
calculated
What is a representation of AC voltage or current? - ANSWER
The sine wave
____ is determined by the number of cycles that occur in one
second. - ANSWER Frequency
What is the basic unit of measurement for frequency? -
ANSWER the Hertz (Hz)
____ is the length of time required to complete one cycle of an
AC sine wave. - ANSWER Period
ATT FC COMP TEST Questions and Answers 100%
Verified UPDATED!!!
What three factors determine the severity of an electric shock?
- ANSWER 1) Amount of current flowing through the body, 2)
Path of current through the body, 3) Length of time the body is
in the circuit
How much current can be lethal? - ANSWER 50-150
milliamperes
How much more DC than AC does it take to freeze a body to a
conductor? - ANSWER 5 times: 12 ma AC, 60 ma DC
What are three types of burns? - ANSWER 1) Electrical, 2) Arc,
3) Thermal Contact
What are three well-known examples of electrical protection
devices - ANSWER 1) Fuse, 2) Circuit Breakers, 3) Ground-Fault
Circuit Interrupters (GFCIs)
,2|Page
Never use ____ or ____ to extinguish an electrical fire because
they are electrically conductive substances. - ANSWER water,
foam
What are the 4 steps that should be taken in the case of an
electrical fire? - ANSWER 1) de-energize, 2) call the fire
department, 3) control / put out the fire, 4) report fire
Schematic diagrams are drawn so that the date or signal flows
through the circuit from ____ to ____. - ANSWER left, right
What are the two methods to troubleshoot a circuit? - ANSWER
1) trial and error, 2) logical procedure
What are the four steps to troubleshooting a circuit? - ANSWER
1) Analyze the circuit, 2) Check the setup, 3) Calculate and
measure values, 4) Check the results.
What are three characteristics of an open? - ANSWER 1) infinite
resistance, 2) no circuit current, 3) measure applied voltage
, 3|Page
What are three characteristics of a short? - ANSWER 1) no
resistance, 2) increases circuit current, 3) measures 0 voltage
What are the three characteristics of a changed value? -
ANSWER 1) resistance increases or decreases, 2) increases or
decreases circuit current, 3) measures voltage other than
calculated
What is a representation of AC voltage or current? - ANSWER
The sine wave
____ is determined by the number of cycles that occur in one
second. - ANSWER Frequency
What is the basic unit of measurement for frequency? -
ANSWER the Hertz (Hz)
____ is the length of time required to complete one cycle of an
AC sine wave. - ANSWER Period
