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Cavity wall insulation is used to reduce heat loss through a cavity wall by filling the air space with a porous material. By doing this the porous material absorbs all of the air and water and stops it from escaping the house or building.
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How do you test a microstrip antenna?
A micro-strip antenna works on the principle of resonant cavity (short circuit walls on top and bottom, open circuit walls on the sides).A resonant cavity stores energy unlike transmission lines or wave guide which transmits electromagnetic energy from one part to another. A R.C is equivalent to LC device at low frequencies.
How do you stop heat loss through walls when you can not have cavity wall insulation?
keep curtains closed have a been bag dog on the outside of the door at the bottom to minimise drafts, heat loss.
What is meant by cavity breakdown in liquid dielectric?
definetion of cavity breakdown
What are the advantages of cavity wall insulation?
There are some advantage,
Which of following is least like the others roof walls door floor?
walls
What are the lateral walls of the oral cavity formed by?
lateral walls of the oral cavity in the mouth are formed by what
What body cavity has walls that are muscular?
The abdominal cavity.
What is the difference between cavity walls and composite walls?
cavity wall consist of two walls seperated by a corrosion resistant metal tie and an airspace
When did cavity walls start in England?
Cavity walls were being built as early as the 1920s. But the more modern cavitys, that are suitable for insulation were from the 40s.
Are brick used for cavity walls?
yes
What body cavity walls are muscular?
abdominal
What are the walls of the nasal cavity composed of?
composed of what tissues
Tissue that lines the walls of the ventral cavity?
Epithelial
What is the epithelial membrane the lines the walls of the abdominal cavity called?
peritoneum
What is a surgical incision into the chest walls to open the pleural cavity?
Thoracotomy
Why are foam filled cavity walls are better than air filled cavity walls in reducing heat loss?
Foam is a good insulator- this means that it traps still air and prevents heat travelling and being lost. Heat is lost more easily through the air in air-filled cavity walls as the air is not kept still.
Brief explanation of what a cavity wall tie do?
Simply put, a wall tie connects the inner and external walls of a cavity wall.
