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This test consists of 5 multiple choice questions, 5 short answer questions, and 10 short essay questions.

Multiple Choice Questions

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

2. How old was Sklyarov in 1986?
(a) 53.
(b) 55.
(c) 51.
(d) 50.

3. How long after the explosion was Viktor Brukhanov called about the incident?
(a) 2 1/2 minutes.
(b) 3 minutes.
(c) 1 1/2 minutes.
(d) 2 minutes.

4. By what time did Interior Ministry troops wearing chemical warfare suits and respirators block access to the Chernobyl plant?
(a) 9 a.m.
(b) 8:30 a.m.
(c) 9:30 a.m.
(d) 10 a.m.

5. How many heat-resistant zirconium-alloy pressure tubes were in the channels of the RBMK?
(a) 1,600.
(b) 1,800.
(c) 750.
(d) 900.

Short Answer Questions

1. How long after the explosion at Chernobyl did the secure high-frequency lines ring at the Union-level ministries in Moscow?

2. Where were the first-draft plans of the RBMK drawn up by a heavy machinery plant?

3. How old was one of Dyatlov's sons when he died from leukemia?

4. When was a name settled on for the Chernobyl plant?

5. When did the Soviet Council of MInisters issue a decree approving the construction of the RBMKs?

Short Essay Questions

1. Why did Dyatlov struggle to manage the operators and engineers of Chernobyl?

2. What was the size and makeup of the RBMK?

3. How was the area cleaned up after a massive explosion occured inside the perimeter of Chelyabinsk-40 in 1957?

4. What happened at Three Mile Island nuclear power station on March 28, 1979?

5. What was happening with Unit Four on Saturday evening?

6. What was Alexander Esaulov's job in 1986?

7. What was the emergency bunker like at the Chernobyl nuclear power plant?

8. Why was Viktor Brukhanov made the director of the Chernobyl Atomic Energy Station?

9. How did Toptunov qualify as a senior reactor control engineer?

10. What happened to young women hired to paint fluroescent numbers on watch faces?

(see the answer keys)

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