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WorksheetsProgression revision 6
Total questions: 34
Worksheet time: 17mins
What is the minimum diameter of the hot water draw off pipe from a hot water cylinder?
A) 15mm
B) 22mm
C) 35mm
D) 28mm
What type of hot water cylinder is shown?
A) Combination
B) Unvented
C) Indirect
D) Direct
What type of cylinder is shown?
A) Combination
B) Unvented
C) Indirect
D) Direct
What type of cylinder is shown?
A) Combination
B) Unvented
C) Indirect
D) Direct
How should hot and cold pipework be installed to prevent undue warming of the cold water pipework?
Hot pipes above cold pipes
It makes no difference
Cold pipes above hot pipes
Hot and cold pipes installed in the same insulation
What action can be taken to prevent noise from the expansion and contraction of copper pipework laid in traditional timber joists?
Wrap felt lagging around pipes where they lie in the joist
Wrap felt lagging around pipes between the joist
Install a 200mm length of plastic pipe 600mm along the length of copper pipe
Install plastic pipe every 600mm along the length of copper pipe
According to BS6700, how many minutes should a hot water system comprising of copper pipework be tested for?
90
60
30
120
What is the advantage of using a pressurised central heating system?
The cold water is colder
All radiators heat up evenly
All downstairs radiators heat up more than the upstairs radiators
The hot water is hotter
The name of a central heating system which incorporates a three port motorised valve is?
S plan
Y plan
C plan
W plan
Which is the more capable drill when drilling a hole in a concrete lintel?
A cordless non hammer rotary drill
A corded hammer rotary drill
A cordless hammer action rotary drill
A slotted drive system (SDS) drill
According to BS 6700 test type A, what is the maximum pressure a central heating system comprising of plastic pressure pipework should be tested to?
0.5 times normal working pressure
1.5 times normal working pressure
2 times normal working pressure
2.5 times normal working pressure
Why is it important to only install rainwater guttering up to the raised mark in the fittings?
To allow for extra rainfall in the winter
To allow for expansion
Makes the joint neater
Minimises waste of materials
What type of sanitary system can be used to overcome the effects of excessively long pipe lengths or steep gradients?
Ventilated branch discharge system
Stub stack system
Sealed stack system
Primary ventilated stack system
Which type of sanitary pipework fitting is being assembled?
Solvent weld
Compression
Fusion weld
Ring seal
In accordance with Part H of the Building Regulations, what must be fitted at the base of a discharge stack?
Anti-siphon trap
Non-return valve
Air admittance valve
Long radius bend
What test pressure should an above ground drainage system be tested at?
20mm Wg
18mm Wg
10mm Wg
38mm Wg
Plumbing materials must be stored in accordance with?
Part L of the Building Regulations
Manufacturer’s instructions
Gas Safe regulations
BS 6700
What should be consulted when commissioning mechanical components on cold water systems?
Design specification
Manufacturer’s instructions
Architect’s instructions
Supplier’s instructions
Who should be given notice of the time it will take to decommission a cold water system?
Architect
Electrician
Water undertaker
Occupier
What electrical property is a measure of the flow of electricity through a circuit?
Voltage
Current
Conductance
Potential difference
Which 3 items from the list are common building materials found in 21st century construction?
Hemp
Recycled wood fibre
Lead
High Alumina Cement (HAC)
Lambswool insulation
Before permanently decommissioning a cold water system you should first?
Discuss the disruption to supply with the customer
Cap supply
Cut out any scrap copper
Isolate at internal stop valve
Which of these factors would help in recommending the selection of an indirect cold water system?
Cheaper to install
Less pipework
Wholesome water at all outlets
Less wear and tear on components
Cold water storage cistern installations should have service valves installed on the?
Inlet pipe only
Open vent and inlet pipes
Inlet and outlet pipes
Outlet and overflow pipes
Which is not a traditional building method for pre-1919 buildings?
Solid stone walls
Cavity wall structure
Timber suspended ground floors
Timber walling
Select the FOUR requirements to be followed when installing a cold water cistern in an attic space?
Service valves for maintenance
Screened warning overflow pipes to protect against insects
Close fitting lid to prevent contamination
Heated to prevent freezing
Float operated device to control the water level
Which fluid categories of water must be used to test new cold water systems?
2 or 5
1 or 2
1 or 4
2 or 3
Which FOUR pieces of documentation will offer advice and guidance when installing a plumbing and heating system?
Building regulations
Statutory regulations
Industry standards
Supplier's catalogue
Manufacturer's technical instructions
What is the major hazard encountered by workers using incomplete scaffolding?
Long term breathing problems
Falls from height
Manual handling injuries
Hearing loss
Likelihood, severity and control measures are considered when carrying out which five stage process?
Writing a safety policy
Completing a job record
Completing an accident report
Writing a risk assessment
If a work area is not cleared of unused cable lengths, it could have?
Trip hazards
Electric hazards
Slip hazards
Materials which are hazardous to health
To convert Celsius scale to Kelvin scale?
Divide by 273
Multiply by 273
Subtract by 273
Add 273
Which calculation would be used to determine the amount of linear expansion in a 25m length of steel pipe which is heated from 10 through to 100 degrees C?
100 x 10 x 25
25 x 0.01 x 3600
90 x 25 x 0.000016
25 x 0.000012 x 90
Flow rate in water pipes is measured in?
Kg/s
L/s
L/m
M/s
