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What’s the most difficult question you’ve been asked as a maintenance instructor?
Blye Widmar
"Where are the prints?!"
This was the final question in an onslaught of verbal feedback, comments, and critiques I received from my students back in 2019. I had two years of instructor experience and was teaching a class that had been meticulously rehearsed in preparation for an accreditation visit. I knew the training material well and transferred that knowledge effectively enough for all the students to pass the class. As we wrapped up, I asked the students how they felt about my first big system-level class, and they did not hold back.
“Why was the exam from memory when we don’t work from memory in the plant?” “Why didn’t we refer to the vendor documents?” “Why didn’t we practice more on the mock-up?” And so on.
M. Tanaka et al.
Fusion Science and Technology | Volume 48 | Number 1 | July-August 2005 | Pages 51-54
Technical Paper | Tritium Science and Technology - Tritium Processing, Transportation, and Storage | doi.org/10.13182/FST05-A878
Articles are hosted by Taylor and Francis Online.
For the purpose of the recovery of a hydrogen isotope exhausted from a fusion device and its application to a tritium monitor, hydrogen extraction properties using SrZr0.9Yb0.1O3- and CaZr0.9In0.1O3- and the effect of the electrode attachment method on the hydrogen extraction were evaluated under various atmospheres and temperatures. As a result, hydrogen could be extracted from mixed gases containing hydrogen, water vapor and methane. Furthermore, water vapor electrolysis for the tritium monitor was also evaluated under a wet atmosphere containing oxygen. From these results, it was revealed that a plated platinum electrode was suitable for mixed gases containing hydrogen, water vapor and methane, and that a porous pasted platinum electrode was suitable for water vapor electrolysis. From the findings obtained from the study of the hydrogen extraction properties, we described an optimum specification of the platinum electrode for a tritium recovery system and the number of proton-conducting ceramics for a tritium monitor.