Because air pressure on the outside and inside faces of the exterior cladding in an ideal rain-screen wall are equal, does it mean that there is no water penetration through exterior cladding in such a wall?

What will be an ideal response?


Because the pressures are equal, there is no wind-driven rain penetration through the wall. However, rainwater falling on the cladding may be sucked in by it due to capillary suction, if the cladding material is porous.

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The BIA has developed specifications for only two mortars used in the construction of brick-masonry work.

Answer the following statement true (T) or false (F)

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Under certain circumstances, both water ice and liquid water can be considered to be incompressible substances with constant specific heats. Determine the change in specific internal energy for

(a) ice as it is cooled from -5° C to -25° C at 1 atm, and (b) liquid water as it is heated from 20° C to 40°C at 1 atm. For ice, c = 2.04 kJ/kg-K and for liquid water, c = 4.18 kJ/kg-K. (a) Given: c = 2.04 kJ/kg-K; T1 = -5oC; T2 = -25°C (b) Given: c = 4.18 kJ/kg-K; T1 = 20oC; T2 = 40°C What will be an ideal response?

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During which period in human history did technological innovations occur at the greatest rate?

What will be an ideal response?

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The digital processing of analog signals to modify or enhance the signal in some way is called Digital Signal Processing

Indicate whether the statement is true or false

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