A department store has 340 people in an area of 35m x 25m x 4m high. Calculate the fresh air quantity required to provide 12.5 l/s per person. If the air change rate is not less than 5 changes per hour, determine supply air quantity.

A department store has 340 people in an area of 35m x 25m x 4m high. Calculate the fresh air quantity required to provide 12.5 l/s per person. If the air change rate is not less than 5 changes per hour, determine supply air quantity.

Solid Waste Engineering

3rd Edition

ISBN:9781305635203

Author:Worrell, William A.

Publisher:Worrell, William A.

Chapter5: Separation Processes

Section: Chapter Questions

Problem 5.6P

See similar textbooks

Related questions

Q: A pump with a capacity of 100 gpm is needed to transport water to an elevated tank. Tank is designed…

A: To determine the volume of the elevated tank. Given, Inflow rate from the pump to the tank (Qin) =…

Q: 5. BERNOULLI'S ENERGY EQUATION A garden sprinkler has 80 small holes each 2.5 mm² in area. If water…

Q: FQ.11 Figure shows a lawn 40 cm sprinkler with unequal arms. The jets issuing out of the sprinkler…

Q: Water enters a motor through a 400 mm diameter pipe under a pressure of 85 kPa. The exhaust pipe is…

Q: A water line with an internal radius of 6.5 x 10-3 m is connected to a shower head that has 12…

Q: Convert the following air pressure readingsfrom cm H2O to Pa.a. 1.5 cm H2Ob. 3.7 cm H2O

Q: Figure shows a lawn 40 cm sprinkler with unequal arms. The jets issuing out of the sprinkler arm of…

Q: . How much water will overflow if the water is heated to 80°C

A: FLUID MECHANICS

Q: A pump with horsepower (60 hp), gives a drainage of (0.360 m3 / s) of water, so that the height that…

A: Pump power = P = 60hp or 44.743kw Discharge = Q = .360 m3/s Pump hear = H = 10m

Q: What is the pressure drop due to the Bernoulli Effect as water goes into a 3.00-cm-diameter nozzle…

A: Solution:- From Bernoulli equation, we know: P1+12ρv12 =P2+12ρv22 where, P1, P2 are the pressures…

Q: Figure shows a lawn 40 cm sprinkler with unequal arms. The jets issuing out of the sprinkler arm of…

Q: Q.1.11 Figure shows a lawn 40 cm sprinkler with unequal arms. The jets issuing out of the sprinkler…

Q: Water is being pumped from a large lake to a reservoir 25 m above at a rate if 25 L/s by a 10 kW…

A: Ppump = 10Kwatt

Q: A fire hydrant has an outlet diameter of 630 mm located 1.4 meters above the ground. If the water…

Q: PROBLEM 5: In Lake Geneva (Switzerland), there is a water jet (called the Jet d'Eau) that is…

A: Bernoulli equation ; By neglecting all losses ; P1ρg + V122g+h1 = P2ρg + V222g+h2 From above figure…

Q: If the quantity of air discharged at D is 1,500 m3/min and friction factor of 0.0048, calculate the…

A: Given, Discharge at D =QD=1500 m3/min Friction factor=0.0048

Q: Q.13 Figure shows a lawn 40 cm sprinkier with unequal arms. The jets issuing out of the sprinkler…

Q: Application of Darcy Weisbach equation: A 24-inch steel pipeline (E= 0.016-in) 1550 feet long is…

A: Given: Diameter of th steel pipe, D=24 inchesArea, A=π4×D2=452.39 in2Pipe's absolute roughness,…

Q: Water at 20°C is transported from 2m high tank to a another 9m high tank through 25m long parallel…

A: parallel pipe is given so discharge is different and and head loss will be equal for both given…

Q: Figure shows a lawn 40 cm sprinkler with unequal arms. The jets issuing out of the sprinkler arm of…

Q: A 200-mm diameter pipe 810m long supplies water at a velocity of 2.60 m/s and a pressure of 380kPa.…

A: Bernoulli’s equation formula is a relation between pressure, kinetic energy, and gravitational…

Q: 20. Determine COLD & HOT capacity of storage tank (m3), for a hospital building having 100 occupants…

A: Given:- The hospital building consists of 100 occupants in a 300 bed The cold water rate demand =…

Q: Air at 27°C and standard atmospheric pressure flows through a furnace filter with an average…

Q: A lake has a surface area of 50,023 m2 and an overall lake depth of 25.7 m. A single river…

A: below solution is correct

Q: air is moving through a square of .50m by 0.50m duct at 180 m^3/m. what is the mean velocity of the…

Q: find the weight of the igloo, neglecting the entrance. Also, if fresh air contains 0.04% carbon…

A: Solution: Volume of snow block V = 1243π83-63V = 619.94 ft3 Weight pf the iglooW = γV = 40 x 619.94W…

Q: Q.11.13 Figure shows a lawn 40 cm sprinkler with unequal arms. The jets issuing out of the sprinkler…

Q: The air inside a hot-air balloon is heated to 72.00 °C (Tinitial) and then cools to 52.00 °C…

Q: city has a population density 80C/Km- and area 625KM. The given table shows the fotal water…

Q: Q.13.05 Figure shows a lawn 40 cm sprinkler wiul unequal arms. The jets issuing out of the sprinkler…

Q: A fire hydrant has an outlet diameter of 600 mm, 1.5 meters above the ground. If the water jet…

Q: If you have 10 pumps of 30 HP each + 5 standby, responsible for elevating water from a ground tank…

Q: The diameter and depth of cylindrical tank are 9m and 4m respectively. This tank contains brimful of…

A: As the temperature is increased the liquid will expand(decrease in unit weight). However the weight…

Q: Calculate the: size of a roof tank, diameter of pumping main, and power of pump sets, to be fixed…

A: Given Population of flat = 50 persons Water demand = 100 litres/day No. Of Floors = 4 floors

Q: Q.23 Figure shows a lawn 40 cm sprinkier witn unequal arms. The jets issuing out of the sprinkler…

Q: 1- Calculate the steady discharge (Q) and the power consumption (P) for a pipe connected between two…

Q: Problem :Water is discharge from a 50 mm diameter nozzle which is inclined at a 30 angle above the…

A: Dia of nozzle = 50mm = 0.05m horizontal distance = 3.6m vertical distance = 0.6m It has been asked…

Q: Calculate the values of critical height and critical velocity for water flowing through a…

A: Given: Width of channel, b = 5 m Flow rate, Q = 15 m3/sec

Q: The water system in an urban area consists of an old 200 mm pipeline 750 m long which conveys water…

Q: Q.19 Figure shows a lawn 40 cm sprinkier with unequal arms. The jets issuing out of the sprinkler…

Q: Design the pipe that will connect two reservoirs for a water distribution system of a certain sitio.…

A: Head Loss - When water flow from source to its end point in a pipe it follows Energy Equation i.e…

Q: SITUATION: The pipe system shown in figure serves two towns C and D. The highest building in town C…

Q: It is proposed to have a water heater that consists of an insulated pipe of 7.5-cm diameter and an…

A: The given data is: The pipe diameter =7.5cm Radius=3.25 cm=0.0325 m Water flow rate q=24 L/min To…

Q: An open rectangular tank 2m by 2m and 3.5m high contains 3 layers of liquids with specific gravities…

A: Part - a - For the bottom layer of the liquid - Discharge - Q = CdA2gh1⇒Q = .711×251000×2×9.1×1⇒Q…

Q: Specific energy of flowing water through a rectangular channel of width 5 m when discharge is 10…

A: given data : Discharge (Q)=10 m3/sDepth (Y)= 2 mWidth (B)=5 m

Q: Water flows within the rectangular channel shown with a flow of 8 m3/s. Given that the specific…

A: We are allowed to attempt only 3 sub-parts. Since the specific sub-parts are not mentioned, we are…

Question

(Answer : 4.25 m3 /s; 4.861 m3 /s)

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Step by step

Solved in 4 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.

Similar questions

A water tank 6 m diameter is filled with water at the rate of 6200 gal/min. What is the water level after 1 hr. and 30 minutes?
2. The flow rate into a water tank is 25 m3/s. The outflow rate is 15 m3/s. The tank has a capacity of 5600 m3. How long would it take to fully fill up the tank? How much water would have been evacuated over that period? Also, calculate the time for 2/3 of full tank.
A house has a volume of 1200 m3 (a) What is the total massof air inside the house at 15°C? (b) If the temperature dropsto –15°C what mass of air enters or leaves the house?
A typical household of four people consumes approximately 300 liters of water per day. Express the annual consumption rate of a city with a population of 100,000 people in kg/year.
The air inside a hot-air balloon is heated to 72.00 °C (Tinitial) and then cools to 52.00 °C (Tfinal). By what percentage does the volume of the balloon change?
A water manometer attached to a pitot static tube used to measure air velocity shows a reading of 0.1 m. Assuming the ecoefficient of velocity as 0.98 and the density of air as 1.2 kg/m3, calculate the air velocity.
Calculate the: size of a roof tank, diameter of pumping main, and power of pump sets, to be fixed for dwelling flats, occupying 50 persons?. Per capita rate of water supply is 100 litres/day. The flat is having 4 floors (Ground + 3 floors). (No storage for firefighting).
In the figure shown below, it is desired to pump 5259705 lit/day of water from a stream to a pool. El. A = 49m while El. B = 98 m. If the combined pump and motor efficiency is 90%, calculate the monthly power cost in pesos if electricity rate is P10 per kW-hr. Assume that the pump operates for 24 hours and take 1 month = 31 days; Round your answer to 4 decimal places. Pipe Length (m) Diameter (mm) Hazen Coefficient 1 1997 m 375 mm 120 2 1514 m 240 mm 122 3 902 m 205 mm 149
Water flows through a pipe 25 mm in diameter at a velocity of 6 m/s. Determine whether the flow will be laminar or turbulent assuming that the dynamic viscosity of water is taken as1.30 × 10−3 kg/ms and its mass density as 1000 kg/m3. If oil of specific gravity 0.9 and dynamic viscosity 9.6 × 10−2 kg/ms is pumped through the same pipe, what type of flow will occur?
• 1 million people in Hong Kong using low-flush toilet and low-flow shower head.• 1 million leaky toilet and Faucet. Find1. How much energy we can save?2. How much coal (Kg) we can save?3. How much CO2 we can reduce?4. How many African children (1 liter/kid/day) we can support? Energy needed to treat water1. Average energy use for water treatment drawn from southern California studies is 652 kWh per acre-foot (AF), where one AF = 325,853 gallons. Thermal Energy in Coal2. The thermal power plants consume about 0.45 kg of coal per kWh. Energy output/fire power plant3. A typical 500 megawatt coal power plant produces 3.5 billion kWh per year. CO2 Emission4. Taking coal to contain 50 percent carbon, which combines with oxygen during burning to form CO2, we can arrive at 1.83 kg CO2 for every 1 kg of coal burned.
Q.1: Calculate the average daily consumption for a city of 30000 Capita. The daily consumed water 15000 m3 . Q.2: A community with population of 22000 Capita was average consumption of 600 L/Capita/day and fire dictated by a building of ordinary consumption with floor area of 1000 m2 and height of (6 storeys) plus basement, determine: 1- Fire demand (fire flow demand). 2- Maximum daily demand. 3- Maximum daily demand during fire.
In the figure shown below, it is desired to pump3,177,640 lit/ day of water from a streamto a pool. Ei A = 55 m while El. B = 103 m.If the combined pump and motor efficiencvis 89%, calculate the monthly power cost in pesosif electricity rate is ₱10 per Kw-hr. Assume that thepump operates for 24 hours and take 1 month =31 days. A. 152, 631.3618 B. 692,531.8213 C. 451,371.0313 D.563, 903.0421