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This quiz consists of 5 multiple choice and 5 short answer questions through Chapters 11-15.

Multiple Choice Questions

1. How long does the radioactivity of iodine-131 last?
(a) 2 years.
(b) A few weeks.
(c) 5 months.
(d) A month.

2. In the Manhattan Project, how much uranium did scientists believe was needed for a critical mass?
(a) 510 pounds.
(b) 630 pounds.
(c) 440 pounds.
(d) 380 pounds.

3. When the author had his feet x-rayed as a child, how much radiation did his feet probably receive?
(a) 60 rem.
(b) 55 rem.
(c) 50 rem.
(d) 45 rem.

4. How many horsepower do car engines deliver?
(a) 50 to 200.
(b) 250.
(c) 100 to 300.
(d) 150.

5. How much power can a healthy person produce by pedaling a bicycle?
(a) 3/4 horsepower.
(b) 1/3 horsepower.
(c) 1/7 horsepower.
(d) 1 horsepower.

Short Answer Questions

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

2. About how much energy does a large nuclear plant produce?

3. How many beta rays must a fifth of whiskey emit every minute or be considered unfit for human consumption?

4. When was it rumored that Saddam Hussein tested a dirty bomb?

5. When did the United States place an embargo on Japanese oil imports after they invaded China?

(see the answer key)

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