WorksheetsCONDENSATION
Total questions: 15
Worksheet time: 8mins
What is the relationship between air temperature and its capacity to hold water vapor?
No relationship
Inversely proportional
Directly proportional
Random
What is the dew point?
The temperature at which air is saturated with water vapor
The temperature at which water freezes
The temperature at which air is completely dry
The temperature at which water boils
What happens when there are holes or gaps in the vapor barrier?
The vapor barrier becomes stronger
Humid air will bypass the vapor barrier
The wall becomes waterproof
The insulation becomes unnecessary
What causes condensation in buildings in Britain during winter?
Cold dry air
Warm moist air
Lack of ventilation
Excessive heating
How much moisture is produced by breathing (asleep) compared to breathing (awake)?
Less
More
The same
Twice as much
What is the second type of condensation listed?
Surface condensation
Interstitial condensation
Reverse condensation
Radiation condensation
Which type of condensation is listed last?
Surface condensation
Interstitial condensation
Reverse condensation
Radiation condensation
What is a factor that affects the dewpoint of air?
Insulation thickness
Wind speed
Ambient temperature
Pipe size
Which of the following is NOT a factor influencing the dewpoint of air?
Ambient temperature
Ambient relative humidity
Fluid temperature
None of the above
What is interstitial condensation?
Condensation occurring on the surface of walls
Condensation occurring within the layers of a wall
Condensation occurring on windows
Condensation occurring in the attic
What does the term "high RH" refer to in the context of the image?
High temperature
High relative humidity
High pressure
High resistance
What do VCLs usually double as?
Insulation layers
Moisture barriers
Air-tightness membranes
Soundproofing layers
What is an intelligent membrane in the context of interstitial condensation?
A material that changes color with temperature
A VCL that controls the amount of vapor entering a structure
A type of insulation that retains heat
A membrane that blocks all moisture
How does an intelligent membrane change its permeability?
By adjusting to light conditions
By changing its thickness
According to relative humidity, pressure, and temperature
By altering its color
What material is used for the outer leaf in the diagram?
Wood
Metal
Brick
Plastic
