WorksheetsHot Water - PPT 2 - System Upgrades
Total questions: 9
Worksheet time: 5mins
What is one disadvantage of the old gravity circulation system in plumbing?
Fast heat-up and recovery
Little or no control, leading to wastage of fuel
Small diameter pipes required
Highly insulated cylinder and pipework
What size of pipes is required on primary circuits in old gravity systems?
15mm
22mm
28mm
35mm
Which of the following is a characteristic of old gravity systems?
Efficient fuel usage
Poorly insulated cylinder and pipework
Quick heat-up and recovery
Small diameter pipes
What is required for hot water storage vessels if they are changed?
Minimum efficiency requirements
Maximum capacity standards
Basic safety checks
Standard installation guidelines
What is involved in the upgrading of controls in an old gravity system?
'C' Plan
'B' Plan
'A' Plan
'D' Plan
What should boilers meet if they are changed according to the new upgrade requirements?
Old efficiency standards
New SEDBUK ratings scheme
Minimum safety requirements
Maximum temperature limits
What type of control upgrade is mentioned for the system?
Manual control
Fully pumped ('S'/'Y' or Pump Plan)
Semi-automatic control
Gravity-fed control
Who must certify the installations of the upgraded system?
Any available technician
A competent person
The homeowner
A government official
What should be done to all pipes connected to a hot water vessel?
Painted for protection
Insulated as per requirement
Left exposed for easy access
Covered with plastic
