Which British Standard covers the method for the calculation of design heating loads?

GMJ 9189 Phase 3 Central heating MCQ

Quiz
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Other
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Professional Development
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Hard
Glen Johnson
Used 36+ times
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
BS EN 12828:2003
BS EN 12831:2003
BS EN 14336:2004
BS EN 1264-1:1998
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the measurement of the U-value?
W/m²K
kJ/m²C
W/kg/K
J/m³K
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct formula to determine the heat loss from a space through air changes and ventilation?
m² x Δt x 1.33
m² x Δt x U-value
m³ x QTY x Δt0.33
m³ x U-value x QTY x 3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the likely effects of oversizing a heating system?
Reduced energy usage, as systems produce enough heat quickly before shutting off for longer periods
Reduced life expectancy of heat emitters, which often overheat due to higher temperatures
Greater risk of burns/scalds, due to excess temperatures within the system and increased boiler combustion efficiency
Reduced energy efficiency, as boilers 'hunt', and greater initial outlay costs
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the most suitable external design temperature for a house with normal sheltered exposure in England and Wales?
-1°C
-3°C
-4°C
-5°C
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct formula to determine the heat loss through a surface such as a wall or window?
m² x Δt x 1.33
m² x Δt x U-value
m³ x QTY x Δt x 0.33
m³ x U-value x QTY x 3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A radiator has a temperature of 70°C at the inlet and 50°C at the outlet. What is the MWT of the radiator?
20°C
40°C
50°C
60°C
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