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A: Note: As per policy we can solve the first three subparts. Please resubmit the remaining parts.
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A: As per honor code and answering guidelines I can answer first 3 subparts at a time of you want more…
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- The turbines in a hydroelectric plant are fed by water falling from a 50 m height. Assuming 91% efficiency for conversion of potential to electrical energy, and 8% loss of the resulting power in transmission, what is the mass flow rate of water required to power a 200 W light bulbWater is transported by gravity through a 10-cmdiameter 550-m-long plastic pipe with an elevation gradient of 0.01 (i.e., an elevation drop of 1 m per 100 m of pipe length). Taking ? = 1000 kg/m3 and ? = 1 × 10−6 m2/s for water, determine the flow rate of water through the pipe. If the pipe were horizontal, what would the power requirements be to maintain the same flow rate?A 2.4-m-diameter tank is initially filled with water 4 m above the center of a sharp-edged 10-cm-diameter orifice. The tank water surface is open to the atmosphere, and the orifice drains to the atmosphere. Neglecting the effect of the kinetic energy correction factor, calculate (a) the initial velocity from the tank and (b) the time required to empty the tank. Does the loss coefficient of the orifice cause a significant increase in the draining time of the tank?
- An insect repellent spray bottle is attached to the end of a 1.7cm diameter garden hose. Water from the hose goes through a 3.0 mm diameter constriction inside the top as shown in the image. The flow causes the pressure in the constricted area to drop, and the insect repellent is sucked up the tube 25 cm and mixed into the water stream. The insect repellent has a density of 1600 kg/m3. What is the minimum hose flow rate that will allow the insect repellent to be sucked up the tube and mixed with the stream? The water in the garden hose has a pressure of 50PSI. There is no viscosity.Q-2 ) ) A boiler house has natural draught chimney of 20 m height. Flue gases are at temperature of 380°C and ambient temperature is 27°C. Determine the draught in mm of water column for maximum discharge through chimney and also the air supplied per kg of fuel. Ans. [11.77 mm of water, 11.32 kg/kg of fuelRead the question carefully and give me all right solutios. A 2.4 m diameter tank is initially filled with water 5.5 m above the center of a 10 cm diameter, sharp-edged hole. The surface of the water tank is open to the atmosphere, and the hole drains to the atmosphere. If you neglect the effect of the kinetic energy correction factor, calculate: a) the initial flow rate of the tank and b) the time it takes to empty the tank.c) Does the orifice loss coefficient cause a significant increase in tank drain time? yes or no, the emptying time for this case is t =
- If the actual draft required for a furnace is 6.239 cm of water and the frictional losses in the stack are 15% of the theoretical draft, calculate the required stack height in meters, the velocity of flue gas, and the diameter of the stack for 43.9 kg/s of flue gas produced. Assume that the flue gas has an average temperature of 149 ℃ and MW of 30. Assume an air temperature of 21 ℃.Spraying water on the top of a vertical cylindrical reactor 2.5 m in diameter and 4 m high and letting the water to trickle down the outside wall cools it. The average water temperature is 40°C, and the flow rate is 0.15 m3/min. Calculate the thickness of the water layer.Given • 1 million people in Hong Kong using low-flush toilet and low-flow shower head.• 1 million leaky toilet and Faucet. Energy needed to treat waterAverage 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 CoalThe thermal power plants consume about 0.45 kg of coal per kWh.Energy output/fire power plantA typical 500 megawatt coal power plant produces 3.5 billion kWh per year.CO2 EmissionTaking 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. Find 4. How many African children (1 liter/kid/day) we can support?
- Given• 1 million people in Hong Kong using low-flush toilet and low-flow shower head.• 1 million leaky toilet and Faucet. Energy needed to treat waterAverage 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 CoalThe thermal power plants consume about 0.45 kg of coal per kWh.Energy output/fire power plantA typical 500 megawatt coal power plant produces 3.5 billion kWh per year.CO2 EmissionTaking 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. Find1. How much energy we can save?Given • 1 million people in Hong Kong using low-flush toilet and low-flow shower head.• 1 million leaky toilet and Faucet. Energy needed to treat waterAverage 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 CoalThe thermal power plants consume about 0.45 kg of coal per kWh.Energy output/fire power plantA typical 500 megawatt coal power plant produces 3.5 billion kWh per year.CO2 EmissionTaking 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. Find 3. How much CO2 we can reduce?Given • 1 million people in Hong Kong using low-flush toilet and low-flow shower head.• 1 million leaky toilet and Faucet. Energy needed to treat waterAverage 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 CoalThe thermal power plants consume about 0.45 kg of coal per kWh.Energy output/fire power plantA typical 500 megawatt coal power plant produces 3.5 billion kWh per year.CO2 EmissionTaking 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. Find 2. How much coal (Kg) we can save?