Hot water PT3
Authored by Nigel Baker
Professional Development
12th Grade
Used 145+ times
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22 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which definition describes a DIRECT cylinder?
A cylinder that has no heat exchanger (coil) inside it
This type of cylinder uses a heat exchanger, generally a coil, to separate the primary and secondary waters
This is an older type of single feed cylinder using a basic form of heat exchanger. As the CWSC fills the cylinder, so the primaries are filled at the same time
These cylinders and systems do not have an open vent. They operate under mains pressure, so are known as high pressure systems. This also means they do not require a CWSC in the loft, as their feed is from the rising main
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which definition describes a IN-DIRECT cylinder?
A cylinder that has no heat exchanger (coil) inside it
This type of cylinder uses a heat exchanger, generally a coil, to separate the primary and secondary waters
This is an older type of single feed cylinder using a basic form of heat exchanger. As the CWSC fills the cylinder, so the primaries are filled at the same time
These cylinders and systems do not have an open vent. They operate under mains pressure, so are known as high pressure systems. This also means they do not require a CWSC in the loft, as their feed is from the rising main
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which definition describes a Primatic cylinder?
A cylinder that has no heat exchanger (coil) inside it
This type of cylinder uses a heat exchanger, generally a coil, to separate the primary and secondary waters
This is an older type of single feed cylinder using a basic form of heat exchanger. As the CWSC fills the cylinder, so the primaries are filled at the same time
These cylinders and systems do not have an open vent. They operate under mains pressure, so are known as high pressure systems. This also means they do not require a CWSC in the loft, as their feed is from the rising main
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which definition describes a Unvented cylinder?
A cylinder that has no heat exchanger (coil) inside it
This type of cylinder uses a heat exchanger, generally a coil, to separate the primary and secondary waters
This is an older type of single feed cylinder using a basic form of heat exchanger. As the CWSC fills the cylinder, so the primaries are filled at the same time
These cylinders and systems do not have an open vent. They operate under mains pressure, so are known as high pressure systems. This also means they do not require a CWSC in the loft, as their feed is from the rising main
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A Direct cylinder is also know as a?
Single feed system
Double feed system
Low pressure system
High pressure system
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A IN-DIRECT cylinder is also know as a?
Single feed system
Double feed system
Low pressure system
High pressure system
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
This picture shows a?
Primatic cylinder
Unvented cylinder
Thermal store
Combination boiler
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