A relatively small house in the United States has an annual electrical energy consumption of 4000 kWh. Estimate the annual consumption of coal burned in a power plant to generate the required electrical energy. Assume a heating value of approximately 7.5 MJ/kg (megajoules per kilogram) for coal, 40% efficiency at the power plant and 6% loss for the power transmission lines.

What will be an ideal response?


Trades & Technology

You might also like to view...

Explain how satisfactory accomplishment of the landscape design process can lead to a successful maintenance project

What will be an ideal response?

Trades & Technology

In the graph, identify the coordinates of the point represented by the letter A.

Fill in the blank(s) with the appropriate word(s).

Trades & Technology

Analyze the frame in Figure P16.5 and draw the shear and moment curves for the members. Neglect axial deformation. EI is constant.

Trades & Technology

A rear wheel drive vehicle tends to lock up the front wheels when being braked on slippery road surfaces. Technician A says that the metering valve may be defective. Technician B says the proportioning valve may be defective. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

Trades & Technology