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This quiz consists of 5 multiple choice and 5 short answer questions through A Heavy Toll.

Multiple Choice Questions

1. Where did a former U-boat crewman tell Kohler to search the U-boat to help identify the wreck?
(a) Inside engine room.
(b) Boots.
(c) Under bunks.
(d) In the radio room.

2. At sea level, what percent of oxygen would a person breathe?
(a) 21 percent.
(b) 50 percent.
(c) 44 percent.
(d) 38 percent.

3. What name was on a knife that Chatterton found?
(a) Segal.
(b) Neurburg.
(c) Wolfinger.
(d) Horenburg.

4. How long was Chatterton able to dive on his first dive back on the wreck in 1992 breathing trimix?
(a) 40 minutes.
(b) 30 minutes.
(c) 35 minutes.
(d) 45 minutes.

5. How large was the depth charge that a Civil Air Patrol pilot dropped on a U-boat?
(a) 405 lbs.
(b) 325 lbs.
(c) 510 lbs.
(d) 275 lbs.

Short Answer Questions

1. How long after Feldman died, did Nagle radio the information to the Coast Guard?

2. How far did diver George Place drift when he lost his grip and failed to make it aboard the dive boat?

3. How long would a diver have to work a wreck before he had to begin the ascent to the surface?

4. What color china was found on the U-boat?

5. At what depths does a deep-shipwreck diver's judgment and motor skills become impaired?

(see the answer key)

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