Page 653 - The City and Guilds Textbook: Plumbing Book 1 for the Level 3 Apprenticeship (9189), Level 2 Technical Certificate (8202) and Level 2 Diploma (6035)

Chapter 10 Domestic fuel systems

Test your knowledge

1 What is the chemical formula for propane?
a CH 4
b C H 8
3
c C H
4 10
d CO 2
2 What is the approximate calorific value of natural gas?
a 38 MJ/m 3
b 38 KJ/m 3
c 21 MJ/m 3
d 21 KJ/m 3
3 Which of the following types of coal has the highest heat content?
a Lignite
b Anthracite
c Bituminous

d Sub-bituminous
4 Which Building Regulation document gives specific guidance on the
requirements for fuel-burning appliances?
a Part A

b Part L
c Part J
d Part P
5 When a bund wall is required for an oil storage tank, what volume of oil
must it be capable of holding?
a 150 litres
b 230 litres
c 100% of the volume of the tank
d 110% of the volume of the tank
6 Which regulatory body monitors, controls and guides on the use of solid
fuel and biomass fuels?
a Gas Safe
b OFTEC
c HETAS
d Defra

7 What is the minimum recommended distance between an oil storage tank
and the flue from an oil-fired appliance?
a 600 mm

b 760 mm
c 1000 mm
d 1800 mm

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