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This quiz consists of 5 multiple choice and 5 short answer questions through Chapters 7-9.

Multiple Choice Questions

1. How much larger was the RBMK than Western reactors by volume?
(a) 20 times.
(b) 15 times.
(c) 25 times.
(d) 5 times.

2. 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?
(a) 18 to 21 seconds.
(b) 20 to 35 seconds.
(c) 16 to 28 seconds.
(d) 15 to 30 seconds.

3. How long had Leonid Toptunov been on the job when he prepared to pilot the shutdown at Chernobyl?
(a) 6 months.
(b) 2 years.
(c) 1 year.
(d) 2 months.

4. At what time did a purple cone of iridescent flame leap 150 meters into the air around Chernobyl's ventilation stack?
(a) 1:28 a.m.
(b) Just after 1:25 a.m.
(c) Around 1:24 a.m.
(d) 1:31 a.m.

5. What time did Toptunov set off for the bus stop for his shift at Reactor Number Four on April 25, 1986?
(a) Just before 11 p.m.
(b) 10:45 p.m.
(c) 10:30 p.m.
(d) Around 10 p.m.

Short Answer Questions

1. When did Units Five and Six of the Chernobyl station come online?

2. How long after the explosion was Viktor Brukhanov called about the incident?

3. When Volodin and his men passed over Chistogalovka in a helicopter, at what range was the radiometer stuck?

4. By 7:30 a.m., how long had Akimov and Toptunov been exposed to to the gamma fields inside Unit 4?

5. How many beds did the Pripyat hospital have?

(see the answer key)

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