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This quiz consists of 5 multiple choice and 5 short answer questions through Chapters 1-5.

Multiple Choice Questions

1. What size blade could a knife have before 9/11 to be carried on board a plane?
(a) Less than 5 inches.
(b) About 2 inches.
(c) About 3 inches.
(d) Less than 4 inches.

2. When did the Soviets carry out a test of the largest man-made nuclear explosion?
(a) October 30, 1961.
(b) April 18, 1961.
(c) July 12, 1961.
(d) March 19, 1961.

3. How large was a plane that was used as a weapon in the 9/11 attack?
(a) 142 tons.
(b) 131 tons.
(c) 158 tons.
(d) 103 tons.

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

5. How many square miles of sunlight at midday could provide a gigawatt of electric power?
(a) 2.
(b) 3.
(c) 4.
(d) 1.

Short Answer Questions

1. How much more energy is typically released by a nuclear chain reaction than an equal weight of TNT?

2. What was the blast radius of the M83 bombs carried by the B-52s?

3. When did North Korea test its first atomic bomb?

4. When did the United States build a small nuclear weapon called the Davy Crockett?

5. What percent of the energy of gasoline is carried by the best rechargeable batteries?

(see the answer key)

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