A circulating pump consumes 450 W for 24 hr a day.
a. Determine the energy consumed for a one-year period.
b. Calculate the utility energy charges for this period at a rate of $0.12/kWh.
c. Determine the energy saved for a one-year period, if the pump is switched off 8 hr a day.
d. Calculate the energy cost savings for this period at a rate of $0.12/kWh, if the pump is switched off 8 hr a day.