
Vented and Unvented
Quiz
•
Professional Development
•
12th Grade
•
Medium
Tim McNeill
Used 1+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an essential feature of an open vented system in hot water systems?
It must have a closed vent pipe.
It must have a vent pipe open to the atmosphere at all times.
It should have multiple valves installed on the vent pipe.
The vent pipe should terminate below the cold water storage cistern.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where must the open vent from the hot water cylinder terminate in an open vented system?
Below the cold water storage cistern.
Inside the hot water cylinder.
Over the cold water storage cistern.
Within the central heating system.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why should there be no valves installed on the vent pipe of an open vented system?
To increase water pressure.
To prevent accidental closure.
To regulate the water temperature.
To control the flow of hot water to the taps.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an unvented hot water system?
A system that requires a feed system and is open to the atmosphere
A sealed system of pipework and components that does not require a feed system
A system that is only installed in commercial settings
A system that relies solely on natural temperature control without safety devices
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does an unvented system differ from an open vented system?
An unvented system has an open vent pipe
An unvented system is not directly fed from the mains
An unvented system has no open vent pipe
An unvented system does not use an expansion vessel
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What accommodates the expansion of heated water in an unvented system?
A pressure-reducing valve
An internal or external expansion vessel or bubble
A temperature relief valve
A check valve
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who is qualified to install unvented systems?
Any person with basic plumbing knowledge
A competent person
Only the manufacturer of the system
A person with an electrical background
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the two types of unvented systems based on their heating method?
Direct (heated by solar) and indirect (heated by gas)
Direct (heated by electricity) and indirect (heated by wind)
Direct (heated by immersion) and indirect (heated by a boiler)
Direct (heated by geothermal) and indirect (heated by oil
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