Show an external data to support the claim that the consumers living within regions with hot climate will buy the stainless steel pan with digital thermometer reading that is powered by the heat generated while cooking and that sales will be higher in summer.
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Show an external data to support the claim that the consumers living within regions with hot climate will buy the stainless steel pan with digital thermometer reading that is powered by the heat generated while cooking and that sales will be higher in summer.
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- Explain what a "heated zone" is, how it operates, and any potential restrictions.1. .Mexico's metro requires the implementation of an air conditioning system for each of its cars. On the hottest days the air inside the car can reach 45°C. A temperature of 25°C is expected to be achieved to keep passengers satisfied. A car measures 17 m x 2.5 x 2. In order to make the decision on the air conditioning system to install, the engineering director has asked to calculate: A. Amount of energy to be removed from the car when the air is at 45°C and the car is empty. B. Amount of energy to withdraw when the car is full (approx. 130 people with a volume of 0.06 m3/person). Each person releases 30 kJ while in the car. C. Power of a system that removes the estimated energy A and B in less than 1 minute.Question 2. A household with electric resistance heating plans to switch from resistive heating to a ground source heat pump. Annual heat consumption of the house is 30 000 kWh. Investment cost of the heat pump is 21 000 €. Heat pumps COP is 4.0. How much are the annual savings compared to resistive heating after the change of the heating system (in kWh)? Average price of electricity is assumed to be 12 c/kWh. Round off your answer to one decimal digit and enter it without the unit.
- How can some generational cohorts approach the stainless steel pan with digital thermometer reading that is powered by the heat generated while cooking?Water melts as temp increases because : - chemical potential of the liquid is lower than that of gas - liquid and solid form eutectic mixture -chemical potential of the liquid and solid become equalHello Sir,Good Morning.I have a question in my homework related thermodynamics lesson. The following below is my question. Please advice. Thank you. Regards,Irfan An air conditioning system is used to keep the house at 65°F when the outside temperature is 85°F. The house gets heat through the walls and windows at a rate of 810 Btu/min, and the rate of heat generation inside the house from occupants, lights, and equipment is 120 Btu/min. Determine the minimum power input required for this air conditioning system.
- 3) (a) Use the following data to calculate the area of solar domestic hot water collector that would be needed to satisfy the family's requirement in hot water at 60 if each of them uses on average 80 litres per day (5 people). (b) What is the total hot water energy used over a period of one year. Total solar energy received per day : 5 kWh/m2 Supply water temperature: 15°C Water average specific heat capacity : 4.2 kJ / (kg K) Solar collector average efficiency : 65% Note that: 1kWh = 3.6MJA group of students were tasked to compare the coefficient of performance of the freezer after observing how effective it operates after it converts a certain amount of water to ice in 6 hours. They were able to construct the table shown below. Compute the actual and ideal COP for both freezers Panasonic White Westinghouse 0.08 hp Power rating 42 W Mass of water 15 kg 20.5 kg Latent heat of solidification 80 cal/g 80 cal/g Interior temperature Exterior temperature 0.9- - 10°C 31'C 20°CA group is considering installing a solar power station and has asked you for your recommendation if it should be a photovoltaic system or a solar thermal system. At this stage you are asked not to include cost factors. The single point design condition they have given you is for an incident solar radiation on the collector of 550 W/m2, a surrounding temperature of 18 C. The dead state for this problem should be taken as To = 291 K, Po = 1 bar. You can perform your analysis at steady state conditions. In addition to determining the power output and first law efficiency of the options, you have been requested to determine the exergy destroyed for each of them. The photovoltaic system has an efficiency of 0.15 defined as the power output/incident solar radiation. The basic photovoltaic collector is 1.1 m2 and losses heat from both the front and back surface. The edge area can be neglected. The convective heat transfer coefficient is 10 W/m2 K. The inverter and signal…
- A group is considering installing a solar power station and has asked you for your recommendation if it should be a photovoltaic system or a solar thermal system. At this stage you are asked not to include cost factors. The single point design condition they have given you is for an incident solar radiation on the collector of 550 W/m2, a surrounding temperature of 18 C. The dead state for this problem should be taken as To = 291 K, Po = 1 bar. You can perform your analysis at steady state conditions. In addition to determining the power output and first law efficiency of the options, you have been requested to determine the exergy destroyed for each of them. The photovoltaic system has an efficiency of 0.15 defined as the power output/incident solar radiation. The basic photovoltaic collector is 1.1 m2 and losses heat from both the front and back surface. The edge area can be neglected. The convective heat transfer coefficient is 10 W/m2 K. The inverter and signal conditioning…Heat is produced by computers while they run. Do you have any questions concerning computer cooling systems?MOVIng to another question will save this response. Question 1 Estimate the size of cooling equipment (in kW), that is needed for a new post office building in middle America that is 45.1 m by 61.7 m by 4.95 m high.