Опрос по лекциям 10-11-12 (стр. 13 )

Опрос по лекциям 10-11-12.

Вариант № 18.

1. Когда проявляется наибольшее негативное влияние пыли на организм?

2. Механизм развития болезней при вдыхании пыли.

3. Пороги восприимчивости человеком звука.

4. Что такое «Вибрация»?

5. Какая защита предусмотрена от  электромагнитного излучения промышленной частоты?

6. Время пребывания в поле промышленной частоты. 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Выполнил студент гр.

Опрос по лекциям 10-11-12.

Вариант № 19.

1. Как влияет дисперсность на устойчивость пыли в воздухе?

2. Как влияет форма частиц на устойчивость пыли в воздухе?