Issue 2 and Volume 93.

PROMOTIONAL STUDY COURSE Herein is presented a series of definitions, questions and answers designed to aid fire department officers in preparing themselves for promotional examinations. In this department, which appears monthly, will be included questions typical of examinations held throughout the country. Miscellaneous Questions Answers to These Questions Will Be Given in the Next Issue of This Journal What may happen when cast iron columns, heated to a high temperature, are struck by fire streams? Are wire glass windows in metal frames considered to be real fire retardents? Can fire, under any conditions, pass through wire glass windows if the windows remain intact? What may happen to brittle building materials if they are struck with water streams after heating to high temperature? Which is apt to cause greatest damage to steel girders: striking them, when they are heated, with water streams, or rapidly heating them? Why are girders and columns…

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