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This quiz consists of 5 multiple choice and 5 short answer questions through Chapters 16-20.

Multiple Choice Questions

1. At what altitude in Chapter 15 would a geostationary Earth orbit satellite orbit the earth?
(a) 31,000 miles.
(b) 33,000 miles.
(c) 27,000 miles.
(d) 22,000 miles.

2. What is the Earth's atmosphere?
(a) 98% nitrogen and oxygen.
(b) 96% nitrogen and oxygen.
(c) 97% nitrogen and oxygen.
(d) 99% nitrogen and oxygen.

3. How long did it take the Manhattan Project scientists and engineers to build three nuclear weapons?
(a) 2 years.
(b) 3 years.
(c) 5 years.
(d) 4 years.

4. In Chapter 5, how much cheaper was coal than gasoline, for the same energy?
(a) 20 times.
(b) 30 times.
(c) 15 times.
(d) 25 times.

5. How long were the steel columns of the World Trade Center designed to maintain their strength during an ordinary fire?
(a) 1 hour.
(b) 6 hours.
(c) 2 to 3 hours.
(d) 4 to 5 hours.

Short Answer Questions

1. How many tons of jet fuel did each plane carry in the 9/11 attack?

2. In a pebble bed reactor, how deep is the bed of pebbles where the uranium is placed?

3. How many horsepower do car engines deliver?

4. In Chapter 15, how many satellites did the author state would be needed to view the entire globe continuously?

5. What is the radius of damage that would be caused by a 1-kiloton blast?

(see the answer key)

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