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This quiz consists of 5 multiple choice and 5 short answer questions through Chapters 4-6.

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

2. By 7:30 a.m., how long had Akimov and Toptunov been exposed to to the gamma fields inside Unit 4?
(a) More than 6 hours.
(b) 7 hours.
(c) About 3 hours.
(d) 5 hours.

3. 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) Around 10 p.m.
(c) 10:30 p.m.
(d) 10:45 p.m.

4. When was the nuclear accident at Three Mile Island?
(a) May 11, 1979.
(b) April 5, 1979.
(c) March 28, 1979.
(d) June 30, 1979.

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

Short Answer Questions

1. Where were the dimension of the core of the RBMK?

2. In the RBMK, to what temperature did the water rise?

3. In 1970, how many Soviet citizens had Communist Party membership?

4. How many rose bushes did Brukhanov wanted planted in 1985?

5. How many rivers and streams formed the Dnieper River basin?

(see the answer key)

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