Skip to main content

Switchable glazing

Which of the following switchable glazings (their characteristics change by manual control or exposure to other environmental factors) offers the fewest trade-offs for energy-efficient performance?
A. Photochromic, B. Polymer-dispersed liquid crystal film
C. Thermochromic, D. Electrochromic


Answer is D. Electrochromic glazing is a thin-film coating controlled by low-voltage electrical current and used to vary transmittance of light, UV and solar heat. B. adjusts transparency for visual privacy; C. darkens when exposed to light; A. adjusts tint according to temperature exposure. A&C control for fewer factors than D.
are-review.blogspot.com

Comments

Post a Comment

Try These Too!

Bolted connections

What is the minimum spacing of bolts specified by AISC? and preferred spacing? A. 1 1/4 times the diameter of the bolt; 2 times preferred B. 1 3/4 times the diameter of the bolt; 2 1/4 times preferred C. 2 1/3 times the diameter of the bolt; 2 2/3 times preferred D. 2 2/3 times the diameter of the bolt; 3 times preferred E. 3 times the diameter of the bolt; 3.25 times preferred
Post a Comment
See the answer »

Brick bonds

What distinguishes the English Bond pattern from the Dutch Bond pattern in this image? Answer In the English Bond, stretchers are aligned; In the Dutch (cross), stretchers move by a half each course (not aligned). ARE 4.0 exam prep: BDCS
Post a Comment
See the answer »

Collector walks

Walks next to parking areas where vehicles are able to overhang the walk should be a minimum width. What is this minimum in feet? A. 3 feet B. 4 feet C. 5 feet D. 6 feet Answer These walks should be 6 ft (D.) minimum in width. ARE 4.0 exam prep: SPD
Post a Comment
See the answer »