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Tally monly used u ³). The aver- ge family dr

Tally monly used u ³). The aver- ge family dr

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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d) An acre is an area that covers 4047 m². In the U.S., a commonly used unit of volume is the acre-ft. (AF) or the volume of water required to cover one acre of land with water 1 ft. deep. How many cubic feet in an acre-ft.? How many cubic meters? e) Another commonly used unit of volume is the U.S. gallon (264.17 gal 1m³). The average US family has four people. Assume the average family does 8 loads of laundry per week. If a top loading washing machine has a capacity of 4.5 ft³ and a front-loading washing machine has a capacity of 28.4 gallons, how many cubic centimeters of water does the average family use per week for each of these washing machine types? Assume there are eight million families in California, how much water in cubic meters could California save if everyone used a front-loading washing machine instead of a top-loading washing machine? -
Transcribed Image Text:d) An acre is an area that covers 4047 m². In the U.S., a commonly used unit of volume is the acre-ft. (AF) or the volume of water required to cover one acre of land with water 1 ft. deep. How many cubic feet in an acre-ft.? How many cubic meters? e) Another commonly used unit of volume is the U.S. gallon (264.17 gal 1m³). The average US family has four people. Assume the average family does 8 loads of laundry per week. If a top loading washing machine has a capacity of 4.5 ft³ and a front-loading washing machine has a capacity of 28.4 gallons, how many cubic centimeters of water does the average family use per week for each of these washing machine types? Assume there are eight million families in California, how much water in cubic meters could California save if everyone used a front-loading washing machine instead of a top-loading washing machine? -
Problem 1.3. Hydrologists throughout the world use a variety of units. Although SI units are fairly universal, it is useful to be familiar with other common unit conventions. The following exercises should help achieve this familiarity. a) What are the SI units for a volumetric flux? a mass flux? a volumetric flux density? a mass flux density? an energy flux density? How does one convert between a volumetric flux and a volumetric flux density? b) The concept of volumetric fluxes is commonly expressed in terms of a volume per unit area (flux density), or a depth. This is generally the case in measuring rainfall over a known area, like a river basin. Seattle, a fairly wet region receives (on average) about 37 inches of rainfall per year. How many meters of rain fall in the area per year? Compare this with average rainfall in Los Angeles (look in your textbook). c) For 37 inches of rainfall over a river basin that is 1000 km² in area, what is the volume of water received over a year in cubic kilometers?
Transcribed Image Text:Problem 1.3. Hydrologists throughout the world use a variety of units. Although SI units are fairly universal, it is useful to be familiar with other common unit conventions. The following exercises should help achieve this familiarity. a) What are the SI units for a volumetric flux? a mass flux? a volumetric flux density? a mass flux density? an energy flux density? How does one convert between a volumetric flux and a volumetric flux density? b) The concept of volumetric fluxes is commonly expressed in terms of a volume per unit area (flux density), or a depth. This is generally the case in measuring rainfall over a known area, like a river basin. Seattle, a fairly wet region receives (on average) about 37 inches of rainfall per year. How many meters of rain fall in the area per year? Compare this with average rainfall in Los Angeles (look in your textbook). c) For 37 inches of rainfall over a river basin that is 1000 km² in area, what is the volume of water received over a year in cubic kilometers?
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