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WorksheetsPhase 2 Exam prep 1
Total questions: 20
Worksheet time: 15mins
What temperature is 373K in the Celsius scale?
173⁰C
100⁰C
-173⁰C
-200⁰C
The type of non-mechanical backflow prevention used on a domestic washbasin is known as
AUK 1
AUK 2
AUK 3
AUK 4
What is the specific heat capacity for water under atmospheric conditions?
3.14kj/kg/⁰C
4.18kj/kg/⁰C
9.18kj/kg/⁰C
1kj/kg/⁰C
Under Regulation 5 of the Water Regulations, the water undertaker must be informed when which one of the following operations is carried out?
Installation of a bidet without an ascending spray or flexible hose
Installation of a bath with a capacity of fewer than 230 litres
Installation of an RPZ valve to protect against a category 2 fluid
Installation of a pump drawing more than 12 litres per minute
If a hot water appliance has a fault where would you look for guidance?
BSEN 806
Water Regulations
Manufacturer's instructions
Approved Document Part L
Which of the following systems can this appliance be connected to?
Single point water heater
Low pressure system fed from a cold-water storage cistern
Thermal store
Unvented hot water system
An automatic bypass valve is activated by which of the following?
Boiler shutting off
Programmer being switched on
Pressure created within the system
Pressure of the incoming water service
Where should an automatic air vent not be placed?
Highest part of the system
Lowest part of the system
Point where the vent enters the system
Point where the cold feed enters the system
Which port is the cylinder connected to on a mid-position valve
A
B
AB
BA
Condensing boilers are specifically designed to...
Provide stored hot water
Provide hot water at low temeratures
Extract less heat from the flue gases
Extract more heat from the flue gases
Separate space heating zones are created in dwellings when the floor area is greater than
150 m2
180 m2
200 m2
500 m2
Which one of the following Building Regulations discusses the control of heating systems in new-build dwellings?
Part L1a
Part L1b
Part L2a
Part L2b
After disinfection of a cold water system, it is found that the residual chlorine level is 35 ppm. What action should be taken?
The system should be drained and flushed with drinking water
The disinfection process should be repeated to ensure a residual chlorine level of no less than 50 ppm
The system should be flushed with an inhibitor
The disinfection process should be repeated to ensure a residual chlorine level of 70 ppm
Which one of the following mechanical back-flow prevention devices would be used when installing a replacement hose union bib tap?
BA
HUK 1
HA
HC
A kitchen sink relies on what type of air gap between the spillover level and the tap outlet?
AUK 1
AUK 2
AUK 3
AA
Which of the Building Regulations governs the installation of rainwater systems?
Part G
Part H
Part J
Part F
What is the maximum distance allowed from the highest waste connection to the invert of the drain on a stub stack system before ventilation is required?
1.6 m
1.8 m
2.0 m
2.5 m
According to the Water Regulations, what are the maximum flush volumes for a WC?
3 litres short flush and 5 litres long flush
4 litres short flush and 6 litres long flush
9 litres long flush and 6 litres short flush
10 litres long flush and 6 liters short flush
The diagram shows a cross-section of which type of WC pan?
Wash down with double trap
Siphonic with overflow
Washdown with a single trap
Siphonic with a double trap
What is the minimum termination height for the soil stack shown in the diagram?
600 mm
750 mm
800 mm
900 mm
