Environmental Technology Systems 2

What are the advantages of using rainwater harvesting?

• Reduction in wholesome water usage

• Cheaper and easier to install than a GSHP

• Reduction in energy bills

• Safer appliance as there is no combustion

What is the primary function of an mCHP system?

• To provide cooling in the summer period

• To provide both heat and electricity

• To provide heat only

• To provide electricity only

What is the main disadvantage of using an mCHP system?

• The fans are noisy

• High initial installation costs

• Less efficient with existing heating systems

• Limited capacity for electrical generation

What is the primary use of harvested rainwater?

• Flushing toilets

• Personal hygiene

• Washing dishes

• Drinking water

What is the main consideration when deciding on the suitability of a location for rainwater harvesting?

• Availability of wholesome water

• High demand for space heating

• Risk of freezing for above ground tanks

• Risk of warming for below ground tanks

What is the main disadvantage of using a biomass system?

• Transportation of the biomass fuel is expensive

• Control of heat is not instant

• It is a carbon neutral system

• It is not suitable for all properties

What is the primary use of grey water?

• Garden watering

• Drinking water

• Flushing toilets

• Car washing

What is the main advantage of using an ASHP system?

• The fans are noisy

• Less efficient with existing heating systems

• High initial installation costs

• Reduction in CO₂ emissions

What is the primary use of an air source heat pump?

• Electricity generation

• Drinking water supply

• Only suitable for space heating

• Space heating and water heating

What is the main disadvantage of using a rainwater harvesting system?

• High initial installation costs

• Less efficient with existing water systems

• Risk of freezing for above ground tanks

• Risk of warming for below ground tanks