[sallyjung365]

QUESTION 1.)If one barrel of oil is burned to generate electricity, how many kWh could be produced if the efficiency is 35%?


QUESTION 2.) Using the following data to respond to questions a-d:
-Cost of a 60 w incandescent is $0.40
-Lifetime of an incandescent bulb is 1,000 hours
-Cost of a ECO 14w compact fluorescent bulb is $1.16
-Lifetime of a CFL is 10,000 hours
-Cost of electricity is $0.12 kWh

a.) How much does it cost to run an incandescent light bulb for 1,000 hours?
b.) How much does it cost for 10,000 hours of operation?
c.) How much does it cost for to run a CFEL for 10,000 hours?
d.) How much money will you save by converting a 60 w incandescent bulb to a CFL?


QUESTION 3.)Assume your household furnace has a rating of 100,000- Btu/hr. What size electric furnace (in kW) would you need to buy to replace the gas furnace?