What does 'backflow' mean in the context of water fittings?
Water Supply Regulations 1999 Quiz

Passage
•
Science
•
Professional Development
•
Hard
Nigel Baker
Used 5+ times
FREE Resource
21 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Flow downstream in a direction contrary to the intended normal direction of flow
Flow upstream in a direction contrary to the intended normal direction of flow
Flow upstream in the intended direction
Flow downstream in the intended direction
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does 'cistern' mean in the context of water fittings?
A container for holding water at high pressure
A container for holding contaminated water
A container for holding hot water
A container for holding water at atmospheric pressure
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does 'combined feed and expansion cistern' mean in the context of water fittings?
A cistern for supplying cold water to a hot water system without a separate expansion cistern
A cistern for supplying hot water to a cold water system without a separate expansion cistern
A cistern for supplying both hot and cold water to a hot water system
A cistern for supplying both hot and cold water to a cold water system
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does 'contamination' include in the context of water fittings?
Reduction in chemical or biological quality of water
Reduction in water temperature
Reduction in water pressure
Increase in chemical or biological quality of water
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does 'expansion valve' mean in the context of water fittings?
A valve for regulating water flow
A valve for releasing excess water from a cistern
A valve for releasing expansion water from an unvented water heating system
A valve for controlling water pressure
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does 'overflow pipe' mean in the context of water fittings?
A pipe for releasing cold water from a storage vessel
A pipe for releasing water only when the water level in the cistern exceeds a predetermined level
A pipe for releasing hot water from a storage vessel
A pipe for draining excess water from a cistern
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does 'pressure relief valve' mean in the context of water fittings?
A valve which opens automatically at a specified pressure to discharge fluid
A valve for releasing excess water from a cistern
A valve for controlling water pressure
A valve for regulating water flow
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