【简答题】Many large building which are used for storing goods need clean air and controlled tempreture. This can be expensive. because it uses a lot of energy.1)_________________ save costs, some companies ar...
【单选题】Let 1.00 kg of liquid water at 100°C be converted to steam at 100°C ( L V = 2256kJ/kg) by boiling at standard atmospheric pressure (which is 1.00atm or 1.01x10 5 Pa) in the arrangement of figure below...
【简答题】Our off-the-grid system consists of eight solar panels (1,000 watts) that are mounted on a sun tracker rack. We also have a wind turbine that generates 3,000 watts in 24 mph winds. The energy generate...