Which of the following is LEAST and MOST effective in keeping out water driven by heavy rains?
I. hopper
II. casement
III. horizontal sliding
IV. awning
V. double-hung
A. II and V
B. I and IV
C. III and V
D. V and I AnswerARE 4.0 exam prep: BDCS
Which of the following detector types can detect smoke or a smoldering fire that has not yet burst into flames? A. Ionization B. Rise-of-temperature C. Photoelectric D. Flame detectors
A soil's density can provide an indication of its strength. To increase load-bearing capacity what does soil modification often seek to reduce in soil?
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