L3 YR2 (C) Class questions
Authored by Plumbers Cymoedd
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Vocational training
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90 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of a hot water system?
To provide cold water
To heat water for domestic use
To cool water for industrial use
To store rainwater
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which component is essential for controlling the temperature of hot water?
Thermostat
Pressure gauge
Flow meter
Heat exchanger
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the recommended maximum temperature for hot water in domestic systems to prevent scalding?
50°C
60°C
70°C
80°C
4.
OPEN ENDED QUESTION
3 mins • 1 pt
Which type of hot water system uses a storage tank?
Evaluate responses using AI:
OFF
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of a pressure relief valve in a hot water system?
To increase water pressure
To release excess pressure
To measure water temperature
To filter impurities
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which material is commonly used for hot water pipes due to its resistance to corrosion?
PVC
Copper
Iron
Lead
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of an expansion vessel in an unvented hot water system?
To store extra water
To absorb pressure changes
To heat water
To filter water
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