____ glazing panels, typically made of fiberglass, can have U-factors as low as 0.05 (R-20), making them as efficient as many walls.
A. Storm-resistant
B. Translucent
C. Transparent
D. Impact-resistant
Answer: B
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In a closed-loop system, the plastic water pipes that are buried in the Earth are called ____.
A. ground loops B. thermal loops C. water loops D. both a and c
Increasing the airflow across a filter
A) will reduce the air noise across the filter B) has no effect on filter efficiency C) increases its efficiency D) decreases its efficiency
A logic gate draws 10mA when its output is HIGH and 20mA when its output is LOW. When operating from a 12V supply with a 50% duty cycle the average power dissipation will be ________
A) 50 mW B) 100 mW C) 75 mW D) 150 mW
Without adequate drainage, water can collect against the foundation wall, creating ____ pressure that can drive water into the foundation through cracks and gaps and, in severe cases, cause structural damage.
A. standing B. hydrostatic C. hydraulic D. static