Hot Water Systems Quiz L3P2U6,1.8;1
Authored by Craig Boothright
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Professional Development
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of safety controls in unvented hot water storage systems?
To control the temperature of the water
To prevent the water from boiling
To reduce the pressure in the system
To increase the boiling point of water
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of the Tier 1 control thermostat in an unvented hot water storage system?
To shut off the heat when it reaches a certain temperature
To shut off the heat in the event of control thermostat failure
To discharge hot water through the temperature relief valve
To prevent particles from entering the pipework
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the Energy Cut-Out (ECO) or high limit thermostat in an unvented hot water storage system?
To control the temperature of the stored water
To shut off the heat in the event of control thermostat failure
To discharge hot water through the temperature relief valve
To prevent particles from entering the pipework
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which component in an unvented hot water storage system acts as a pressure relief valve in the event of pressure relief valve failure?
Temperature & Pressure relief valve
Energy Cut-Out (ECO)
Control thermostat
Expansion vessel
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of the pressure reducing valve or composite valve in an unvented hot water storage system?
To shut off the water supply for maintenance
To prevent particles from entering the pipework
To discharge water from the system at a pre-determined pressure
To maintain a constant operating pressure within the system
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which component in an unvented hot water storage system removes small particles from the water?
Line strainer
Expansion vessel
Single check valve
Isolating valve
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the isolating valve in an unvented hot water storage system?
To maintain a constant operating pressure within the system
To prevent particles from entering the pipework
To shut off the water supply for maintenance
To discharge water from the system at a pre-determined pressure
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