Quiz - Renewables

This Quiz looks at Energy Efficiency.

Good Luck!

1. The Calorific Value Net (approximately) of wood pellets is which of the following?

a) 2.6kWhrs per Kg

b) 7.5kWhrs per Kg

c) 5.2kWhrs per Kg

d) 4.7kWhrs per Kg

2. The term 'VOC' when discussing wood fuels means what?

a) Variable Organic Constituents

b) Volatile Organic Compunds

c) Valuable Organic Combustion

d) Virginal Organic Complex

3. The height of a customers wood log stack should not exceed what?

a) 2.0m

b) 2.5m

c) 1.5m

d) 1.8m

4. The average annual solar irradiation figues for the south of the UK are?

a) 850 - 1150kWh/m²

b) 1150 - 1300kWh/m²

c) 240 - 800kWh/m²

d) 750 - 1550kWh/m²

5. The optimum tilt angle from horizontal for a solar collector in summer is approximately what?

a) 8 - 12°

b) 15 - 20°

c) 22 - 27°

d) 29 - 34°

6. The heating/storage of heated water using solar energy alone can promote legionella population growth.

True or False

7. When discussing Ground Source Heat Pumps, the term 'COP' means what?

a) Calculated Offset Performance

b) Coefficient Of Performance

c) Cross Over Performance

d) Capital On Performance

8. At what depth would horizontal ground loops be typically laid?

a) 0.4 - 0.7m

b) 2.0 - 2.3m

c) 1.2 - 1.5m

d) 0.9 - 1.2m

9. Typical pipe diameters used for horizontal ground loops are?

a) 15mm or 22mm

b) 25mm or 32mm

c) 40mm or 50mm

d) 65mm or 80mm

Click Here for the Answers