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WorksheetsPower Quality and Protection
Total questions: 12
Worksheet time: 12mins
Name
Class
Date
1.
Which of the following devices can supply backup power to a PC when the electricity
fails and provides for line conditioning as well?
a)
SPS
b)
UPS
c)
Line Conditioner
d)
Surge suppressor
2.
When are you subjecting your computer to the greatest risk of external power
problems?
a)
When you plug your computer directly into the wall socket
b)
When you plug your computer directly into a line conditioner
c)
When you plug your computer directly into a surge suppressor
d)
When you plug your computer directly into an uninterruptible power supply
3.
Which of the following terms describes over-voltage in a power line?
a)
Blackout
b)
Brownout
c)
Line Noise
d)
Power Surge
4.
Which of the following terms describes power failing completely?
a)
Blackout
b)
Brownout
c)
Line Noise
d)
Power surge
5.
Which of the following terms describes under-voltage in a power line?
a)
Blackout
b)
Brownout
c)
Line Noise
d)
Power Surge
6.
Which of the following terms describes a device being destroyed all at once in a
single event?
a)
Disaster
b)
Compromised
c)
Degradation
d)
Catastrophic
7.
Which of the following terms describes a condition of a device that is damaged over
a period of instances and begins to fail or has intermittent problems?
a)
Distaster
b)
Compromised
c)
Degradation
d)
Catastrophic
8.
Which of the following terms describes the voltage at which the suppressor begins to
protect the computer?
a)
Conditioned voltage
b)
. Suppressed voltage
c)
Beginning voltage
d)
Clamping voltage
9.
Which of the following terms describes the time lapse before the surge protection
begins, or how much time elapses between detection and protection?
a)
Conditioned speed
b)
. Suppressed speed
c)
Clamping speed
d)
Beginning speed
10.
Which of the following is the primary component of a surge suppressor?
a)
Metal Oxide Varistor
b)
Clamping voltage
c)
Clamping speed
d)
Line conditioner
11.
If your computer shares an extension cord with an appliance, which of the following
will soon cause some major problems?
a)
Brownouts
b)
Line noise
c)
Power surges
d)
Clamping voltage
12.
Which of the following external power problems are more frustrating than
damaging?
a)
Line noise
b)
Brownouts
c)
Blackouts
d)
Power surge
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