Hot Water Systems Quiz L3P2U6,1.9
Authored by Craig Boothright
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Professional Development
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is secondary circulation?
A device to control Legionella risks
A type of pump used in hot water systems
A type of insulation used in trace heating
A method to prevent system dead legs
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of pump is used with secondary circulation?
A bronze pump
A diaphragm pump
A centrifugal pump
A submersible pump
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is a check valve used in secondary circulation?
To control Legionella growth
To regulate water temperature
To prevent reverse circulation
To increase water pressure
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the secondary circulation pump normally operated?
By the use of a time clock
By manual control
By a pressure switch
By a flow sensor
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is trace heating?
An electrical element in contact with the pipe to maintain the temperature of the water in the pipe
A type of insulation used in hot water systems
A device to control water pressure
A method to prevent Legionella risks
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of secondary circulation systems?
To control Legionella growth
To increase water pressure
To prevent system dead legs
To regulate water temperature
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the maximum length of a dead leg for a 12mm pipe?
3m
20m
12m
8m
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