Environmental Engineering Quiz

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Questions and Answers

According to the National Board of Fire Under Writers Formula, what is the water demand for a central congested high valued city with population greater than 200,000?

$Q = 9100\, \text{lit/minute for first fire and } Q=36,400 \text{ to } 54600\, \text{lit/minute for a second fire}$
$Q = 36,400\, \text{lit/minute for first fire and } Q=54600 \text{ to } 9100\, \text{lit/minute for a second fire}$
$Q = 54600\, \text{lit/minute for first fire and } Q=9100 \text{ to } 36,400\, \text{lit/minute for a second fire}$ (correct)
$Q = 9100\, \text{lit/minute for first fire and } Q=54600 \text{ to } 36,400\, \text{lit/minute for a second fire}$

What is the formula for Kuichling’s Formula for water demand?

$Q = \text{Amount of water required in liters/minute} \div (P)^{1/2}$
$Q = \text{Amount of water required in liters/minute} - (P)^{1/2}$
$Q = \text{Amount of water required in liters/minute} + (P)^{1/2}$
$Q = \text{Amount of water required in liters/minute} \times (P)^{1/2}$ (correct)

In the Freeman Formula, what does the variable $P$ represent?

Amount of water required in liters/minute
Quality of water
Treatment of raw water
Population in thousand (correct)

For a residential city with small or low buildings, what is the water demand according to the National Board of Fire Under Writers Formula?

<p>$Q = 9100, \text{lit/minute for first fire and } Q=54600 \text{ to } 36,400, \text{lit/minute for a second fire}$ (C)</p> Signup and view all the answers

What is the water demand formula according to GO Fire Demand?

<p>$Q = 100(P)^{1/2}$ (B)</p> Signup and view all the answers

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Study Notes

Water Demand Formulas

The National Board of Fire Under Writers Formula calculates the water demand for a central congested high-valued city with a population greater than 200,000.