
9189PH2CHLOWLOSS

Quiz
•
Other
•
12th Grade
•
Hard

William Heron
FREE Resource
42 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the purpose of installing a pressure relief valve in a plumbing system?
To increase water pressure within the system
To protect against over-pressurisation of the water
To regulate the temperature of the water
To purify the water
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Pressure relief valves are usually set to what maximum pressure?
1 bar pressure
5 bar pressure
3 bar pressure
10 bar pressure
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Where does the valve discharge excess water pressure under a fault condition?
Into the same system to recirculate
Directly into the property
To a safe location, outside of the property, through the discharge pipework
Into a storage tank for reuse
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Why are pressure relief valves most likely to open in a plumbing system?
The system is overcharged with air.
The diaphragm in the expansion vessel has ruptured, allowing water on both sides of the diaphragm.
There is an excess of metallic discharge in the system.
The discharge pipework is made of plastic.
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is another reason for the pressure relief valve to open according to the text?
The vessel has an excess of water.
The vessel has lost its charge of air.
The discharge pipework is blocked.
The expansion vessel is over-expanded.
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What type of material should the discharge pipework be made of, as recommended in the text?
Plastic
Metallic
Rubber
Ceramic
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Where should the discharge from the pressure relief valve be directed to?
To a high level in a conspicuous place.
To a low level in a conspicuous place.
Directly into the main water supply.
Into a closed container.
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