Electrical Safety, Fan Types, Fan Laws and Noise

This section considers the various types of fan available; their advantages and disadvantages for particular schemes and an understanding of fan curves and fan laws. A brief introdction to noise levels is also included. The section also covers the movement of air within a duct (with relevant fan laws); the advantages and disadvantages of various ductwork, with particular reference to flexible ducting.
 

· Electrical Wiring & Safety	· Electrical Glossary
· Electric Shock	· Characteristic Curves
· Fan Laws	· Noise
· Ducting Systems	· Design of a Simple Ducted   System
· Grilles and Louvres	· Filters
· Canopies and Hoods	· Types of System: Extract, Intake,   Combined
· Pubs/Clubs/Discos	· Shops/Stores
· Squash Courts/Gymnasiums	· Cafes/Restaurants/Canteens
· Hairdressers/Beauty Salons	· Darkrooms/X-Rays/   Radiography/Optical
· Lecture Theatres/Assembly   Rooms/Conference Rooms	· Offices
· Changing Rooms/Showers