ES3J STUDY QUESTIONS WITH
COMPLETE SOLUTIONS, GRADED A+
1 of 138
Term
What keeps the alarm circuit activated and the output device
operating even if the protective circuit is restored to normal?
Give this one a try later!
Balancing Transformer Set/reset Relays
Latching Relay Reed Relay
, Don't know?
2 of 138
Term
What are the characteristics of a holdup alarm?
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Button activated and
typically silent Timer activated and often audible
Motion activated and usually silent Voice activated and typically loud
Don't know?
3 of 138
Term
Which of the following is not a case of an intermittent trouble fault
condition (swinger)?
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Positive Sequence Fault Overvoltage Fault
, Ground Fault Arc Fault
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4 of 138
Term
What is the best method for testing a smoke alarm?
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Follow manufacturer's
Add a bonding jumper instrcutions
Test for resistance Remove water from the soil
Don't know?
5 of 138
Term
All of the following are the same except
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Latching Relay (this is the
answer) 2 conductors separated by a
thin insulation strip
, Exit Delay
Deranged Delay
Bell Current Stays Latching Relay
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6 of 138
Term
You have a frequency that has been amplified to four frequencies
the change is called
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Frequency multiplexing Time multiplexing
Spatial multiplexing Time division multiple access
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7 of 138
Term
Which of the following is mandatory code
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COMPLETE SOLUTIONS, GRADED A+
1 of 138
Term
What keeps the alarm circuit activated and the output device
operating even if the protective circuit is restored to normal?
Give this one a try later!
Balancing Transformer Set/reset Relays
Latching Relay Reed Relay
, Don't know?
2 of 138
Term
What are the characteristics of a holdup alarm?
Give this one a try later!
Button activated and
typically silent Timer activated and often audible
Motion activated and usually silent Voice activated and typically loud
Don't know?
3 of 138
Term
Which of the following is not a case of an intermittent trouble fault
condition (swinger)?
Give this one a try later!
Positive Sequence Fault Overvoltage Fault
, Ground Fault Arc Fault
Don't know?
4 of 138
Term
What is the best method for testing a smoke alarm?
Give this one a try later!
Follow manufacturer's
Add a bonding jumper instrcutions
Test for resistance Remove water from the soil
Don't know?
5 of 138
Term
All of the following are the same except
Give this one a try later!
Latching Relay (this is the
answer) 2 conductors separated by a
thin insulation strip
, Exit Delay
Deranged Delay
Bell Current Stays Latching Relay
Don't know?
6 of 138
Term
You have a frequency that has been amplified to four frequencies
the change is called
Give this one a try later!
Frequency multiplexing Time multiplexing
Spatial multiplexing Time division multiple access
Don't know?
7 of 138
Term
Which of the following is mandatory code
Give this one a try later!
