Average steady state concentration of 222Rn
Radioactive radon gas (222Rn) enters an average building at a rate of 5 picocuries per second per square meter of foundation area. Consider a house with a foundation of 400 square meters and a volume of 1000 cubic meters. Assume the house if well designed for energy conservation so that the ventilation rate is low and on ...continues
How could energy conservation help reduce air pollution?
a) Even if you do not believe in the concept, describe the greenhouse effect b) Name three gases that might be responsible for the greenhouse effect
The Clean Air Act mandates that certain metropolitan areas must add oxygenates to the gasoline that is sold in that area. What is the reason that oxygenates are added to gasoline?
Many scientists suggest that there is a relationship between the greenhouse effect and global warming. Even if you do not believe in either concept, describe the relationship that these scientists are claiming between greenhouse effect and global warming.
Planting millions of trees is one of the suggestions for decreasing the greenhouse effect. Describe the reasoning behind this proposal.
Some people think that driving a car, cooking on an outdoor grill, and using electricity produced by coal-fired generators contribute to global warming. What is the reasoning behind their thinking?
Increased auto compression ratios
The compression ratio of today's cars is so much higher than in cars of years past. a) What is the major advantage of increasing the compression ratio? b) How must the gasoline change in order to burn smoothly and evenly in engines with higher compression ratios?
The catalytic converter on your automobile contains small amounts of a precious metal catalyst. Which of the following components would you expect to be decreased in your tailpipe emissions by a properly functioning catalytic converter in your automobile (Choose all that apply): - water - carbon monoxide - carbon dioxide - ...continues
What is the reason that the United States refused to sign the Kyoto Agreement?
