CHE 1100 Lecture Notes - Lecture 1: Fossil-Fuel Power Station, Incandescent Light Bulb, Led Lamp
Document Summary
Most permanent hires come through internships (primarily done through the summer) and co-ops(done in fall or spring) For the employers, it is a 3-5 month interview. Art of using things you know to determine a rough answer. Important skill in industry and as a student. When you have an exam, think about your answer. Write a note on your exam if you think it is unreasonable. The rate that energy is used or generate, measures in wats or horsepower. Energy can be work, heat, kineic, chemical, electrical, electrochemical, or light (radiaion) Night light or led bulb 5 w. Esimate the eiciency of a coal power plant. Big cajun ii consumes 855 metric tons (100kg) of coal per hour and produces. Anthracite coal has a heat of combusion of 32 mj/kg. % eiciency --- 1900 mw/ (855000 kg/hr)*(32 mg/kg * hr/36005) = 25% 4184 joules per kilocalorie esimated energy to keep you at 98. 6f (37c) is 85 w.
