WorksheetsProgression - Hot water PPT1
Total questions: 18
Worksheet time: 10mins
What type of system uses a double-feed hot water storage cylinder?
Direct system
Indirect system
Closed system
Open system
What year did the water regulations come into act
1989
1999
2000
2019
What is the main difference between indirect and direct hot water storage cylinders?
Indirect cylinders are smaller
Indirect cylinders contain heat exchangers
Direct cylinders are more efficient
Direct cylinders are self-venting
What is the purpose of the heat exchangers in the storage cylinders?
To cool the water
To heat the secondary water
To store the water
To filter the water
What is a very common system of heating water mentioned in the document?
Single-feed direct hot water system
Double-feed indirect hot water storage system
Solar water heating system
Electric water heater
How does the double-feed indirect hot water storage system heat the water?
Directly by electric heating
Indirectly by passing heating water through a copper coil
By solar panels
By burning gas directly in the water
At what temperature do the primary circuit pipes carry heating water?
60°C
70°C
82°C
90°C
What Building regulation refers to Hot water
Part A
Part L
Part P
Part G
What temperature range is hot water stored at after exchange?
50°C–55°C
60°C–65°C
70°C–75°C
80°C–85°C
What is the maximum temperature the Building Regulations allow for hot water systems to prevent overheating?
100°C
90°C
80°C
70°C
What is the significance of maintaining water at 60–65°C in a cylinder?
To ensure safety and efficiency
To increase pressure
To enhance flow rate
To reduce energy consumption
What is the primary concern addressed by the Building Regulations for hot water systems?
Preventing water from reaching 100°C
Increasing water pressure
Enhancing water flow
Reducing energy consumption
Which electricity option can be used with indirect double feed hot water systems for fuel efficiency?
Standard electricity
Economy 7 electricity
Peak electricity
Off-peak electricity
What is one advantage of an indirect double feed hot water system?
Expensive to install
Can be used with fully pumped heating systems and condensing boilers
Requires a second cistern
Needs associated pipework
Which of the following is a compliance requirement for an indirect double feed hot water system?
Document A
Document L
Document C
Document D
A Direct hot water cylinder does not have a
(a)
A centralised gravity hot water system
is Part L compliant
Can't be installed today
Is found in new modern houses
Is cheap to install
The primary flow and return from the boiler relies on what to transfer heat from the boiler to the cylinder
Radiation
Convection
Conduction
All of the above
