Thursday
July 31, 2014

Homework Help: physics

Posted by Tim on Sunday, April 20, 2008 at 8:40pm.

Information: 1. According to the information on the EERE posting, 22% of the U.S. annual electrical energy consumption is for lighting. The amount of energy is 8.2 Quads, (1.0 Quad = 1015 BTU). This is in agreement with the information given in the International Energy Agency (IEA). Assume that the electrical energy is provided by a power plant operating at an efficiency of 30%. The amount of energy that must be provided by a primary source is then equal to E = 8.2Quads/0.30 = 27.3 Quads. That is, 27.3 Quads of energy is required as feedstock in a power plant to provide the energy for lighting. Express the 27.3 Quads in units of million barrels of oil equivalent (Mboe). A units conversion is: 1.0 Quad => 181 Mboe.

Question: What is the annual cost of the energy for lighting to the rate payers of the electrical energy? (assume a rate of $.12/kWh). Note: 1.0 Quad=2.93 x 10^11kWh.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

7TH GRADE SCIENCE?!?! - 1. Which of the following shows the correct sequence of ...
Someone please help me with science? - 1. Which of the following shows the ...
Chemistry - World energy supplies are often measured in the unit of quadrillion ...
Chemistry - World energy supplies are often measured in the unit of quadrillion ...
chemistry - The use of the British thermal unit (Btu {\rm Btu}) is common in ...
Science - Which of these energy changes takes place in a solar cell? A.Heat ...
Science - Molecules that make up matter move constantly.Which of these forms of ...
science - A researcher determined the amount of electrical energy entering a ...
Science - What type of energy from the Sun do plants use to make their own food...
physics - A)When the energy input to gas fired power station is 1000MJ,the ...

Search
Members