Hot Water phase 2 1.9 LO Systems Quiz
Authored by Daniel Edwards
Science
Professional Development
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is secondary circulation?
A ring main from the hot water draw off which is returned about 25% down the cylinder
A method of heating water using solar panels
A system for cooling down hot water in the pipes
A method of preventing water flow in the pipes
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of pump is used with secondary circulation?
A steel pump
A copper pump
A bronze pump
A plastic pump
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is a check valve used?
To regulate water temperature
To reduce energy consumption
To increase water flow
To prevent reverse circulation
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the secondary circulation pump normally operated?
By a temperature sensor
By a motion sensor
By manual control
By the use of a time clock
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 system for heating water using gas
A method of preventing water flow in the pipes
A method of cooling down hot water in the pipes
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