2. By the end of the week, how many did the New York Post say had died in Ukraine from unconfirmed reports?
(a) 18,000.
(b) 25,000.
(c) 11,000.
(d) 15,000.

3. On April 30, how many hours a day did army reservists pile sacks into parachute canopies and secure them to cargo hard points?
(a) 14.
(b) 16.
(c) 12.
(d) 15.

4. When an Army Medical Corps radiologist wore experimental clothing and stepped onto the rooftop in Area M, how much radiation did he absorb in 1 minute and 13 seconds?
(a) 17 rem.
(b) 10 rem.
(c) 12 rem.
(d) 15 rem.

5. In 1953, how far did a hydrogen bomb tested by the USSR turn the surface of the earth to glass around ground zero?
(a) 5 kilometers.
(b) 6 kilometers.
(c) 4 kilometers.
(d) 7 kilometers.

Short Answer Questions

1. If operators faced a situation calling for an emergency shutdown of an RBMK, how long would it take to gradually reduce the reactor's power to zero?

2. How long had Leonid Toptunov been on the job when he prepared to pilot the shutdown at Chernobyl?

3. How many stories tall was the Chernobyl nuclear power plant?

4. When did the reactor of Unit One come back online?

5. How many times smaller are atoms than the width of a human hair?

(see the answer key)

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