This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: MAE118A: Introduction to Energy Systems Quiz 1 Kowsik Bodi October 9, 2009 This quiz is for a total of 20 marks. Each problem carries 5 marks. Problems 1 & 2 Current primary energy sources include hydroelectric power, renew- able power (mostly wind energy), nuclear power, petroleum, natural gas, and coal. 1. In terms of their relative contribution to current world energy demand, name the top three primary energy sources currently in use today. 2. To one significant figure, give the relative contribution to total world energy demand of the fossil fuels, hydroelectric, nuclear fission and other renewables. The data in the textbook is for the time between the years 1970 and 1997. For the year 1997, the numbers for Coal, Oil and Natural Gas are 92, 136 and 80 Quadrillion Btu respectively. The figures for Nuclear and Hydro- elecric sources are 21 and 23. The total energy consumption that year is estimated at 352 Quadrillion Btu....
View Full Document
This note was uploaded on 02/03/2010 for the course MAE MAE118A taught by Professor Kowsikbodi during the Fall '09 term at UCSD.
- Fall '09