For each 10-degree adjustment on your
water heater thermostat, you can reduce
carbon dioxide emissions by 500 pounds a year. By how many pounds will you reduce your carbon dioxide footprint if you turn down your water
heater thermostat from 140¢ªF to 120¢ªF over a 5 year period?
24 kg of water are heated by a thermostatically controlled 4Kw electric heater. The thermostat switches the heater on at 60 degree centigrade and off at 65 degree centigrade. If the time between switching off and switching on is
The cost-benefit equation T=-0.623-194 In (1-p) describes the approximate tax T, in dollars per ton, that would result in a p% (in decimal form) reduction in carbon dioxide emissions. What tax will reduce emissions 70%?
in a homes central heating system when the room temperature measured by the thermostat reaches a set value the thermostat sends a message to the heater and the heater switches off These action are an examples of a
In a home's central heating system when the room temperature measured by thermostat reaches a set value, the thermostat sends a message to the heater, and the heater switches off. These actions are an example of: A. a model. B.
the exhaust gases from an oil engine are passed through a water heater. the gasses have a specific heat of 1.0467KJ/kg-K and the temperature falls from 420 degree Celsius to 150 degree Celsius is flowing through the heater. the
An international agreement that aims to reduce carbon dioxide emissions and the presence of greenhouse gases. Countries that ratify the Kyoto Protocol are assigned maximum carbon emission levels and can participate in carbon
Julia and Wayne heat their house during the winter with an electric heater. The thermostat on the heater is set to 20°C and the thermostat is cycling on and off as it keeps the room temperature stable. Julia walks out of the room
Julia and Wayne heat their house during the winter with an electric heater. The thermostat on the heater is set to 20 °C and the thermostat is cycling on and off as it keeps the room temperature stable. Julia walks out of the