Which one of the following is the most common type of circulation in a modern solar hot water system?

• Gravity

• Pump

• Convection

• Osmotic

Which one of the following is a term used for a ground source heat pump pipework, buried in a trench, using coiled pipes

• Slinky

• Twisty

• Sloopy

• Windy

Which one of the following is installed in a system with a ground source heat pump feeding an underfloor heating system to ensure and effective operating life of the compressor?

• Buffer tank

• Cold water tank

• Mixing valve

• Solenoid valve

Which one of the following is used as a primary fuel in a biomass appliance?

• Anthracite

• Oil

• Wood pellets

• Coal

Which one of the following component parts do photovoltaic panels contain?

• Lighting conductors

• Semiconductors

• Partial resistors

• Heated coulombs

Which one of the following is the best location for a micro wind turbine?

• In densely built up areas

• At ground level

• Next to a large structure

• In exposed and open areas

Which one of the following is a reverse Archimedes screw most likely to be used?

• Tidal water course

• High head water course

• Fast following water course

• Low head water course

What type of engine is used in a micro combined heat and power unit? (CHP)

• Thermal

• Stirling

• Thermo fluid

• Four stroke

Which one of the following hot water supply methods would not be suitable for a solar thermal hot water systems?

• Combination gas boiler

• Electric point of use water heater

• Traditional open venting hot water system

• Unvented hot water cylinders

What do photovoltaic panels require exposure to?

• Wind

• Rain

• Sunlight

• Warmth