Environmental

The air source heat pump works on the principle of:

• Cold Exchange

• Electromagnetic induction

• The refrigeration cycle

• The OTTO cycle

What is integral component of air source heat pump?

• Slinky

• Differential Function Control

• Heat Exchanger

• Booster

Which of the following is a bio-mass source:

• Gas

• Coal

• Wood

• Nuclear energy

The position of the bio-mass flue should be?

• At the front of the building

• At the side of the building

• Flues on the rear or side elevation, a maximum of 1M at the highest point.

• Roof- mounted at least 2M above roof level

One disadvantage associated with bio-mass systems is:

• Water produced by burning fuel

• Ability to control

  heat output

• Need for large storage area

• Large amount of ash produce

What type of engine is used in CHP unit?

• Thermal

• Stirling

• Thermo fluid

• Four Stroke

Which type of engine is used in a Micro Combined Heat & Power system (CHP)

• Thermal

• Stirling

• Thermo Fluid

• Heated Tube

Excess electricity can be sold back to the grid using:

• An off-peak tariff

• A feed in tariff

• A feed off tariff

• A peak tariff

An 'on-grid' generating system is one where the system:

• Is connected to a ring grid

• Is connected to a battery system only

• Can be moved within the installed grid

• Is connected to the National grid

Where can untreated water supply be used

• Showers

• Dishwasher

• Toilets

• Baths