Unit 309 Heating end of unit revision
Authored by Plumbers Cymoedd
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Professional Development
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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Selective space heating in a dwelling can be described as the heating of:
all rooms to a comfortable temperature
all rooms to a low background temperature
one room to a comfortable temperature
some rooms in a dwelling as needed by the occupier
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of system is shown in the following diagram?
Gravity heating with mid-position valve
Pumped heating with 2x two port valves
Pumped heating only
Gravity heating only
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of heating system is shown in the following diagram?
Open-vented heating-only system
Sealed heating-only system
Open-vented fully pumped system
Sealed semi-gravity system
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which one of the following will be included in an open-vented heating system?
Pressure reducing valve
Expansion vessel
Filling loop
Feed and expansion cistern
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which one of the following components can be used in a mini-bore heating system to distribute circulated water through the primary flow and return pipework from a central point?
Hopper head
Distributor head
Manifold
Injector tee
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A solid fuel heating appliance in which combustion takes place in an enclosed glass fronted chamber is called:
an open fire
a room heater
an independent boiler
a cooker
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The oil in a pressure-jet burner is forced through which one of the following components during the combustion process?
A nozzle
A venturi
An injector tee
A jet stream
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