Nazorat savollari
Sexlarda ish joylaridagi chang konsentratsiyasi qaysi kattaliklarda о‘lchanadi?
Javob: g/l, mg/l, m2/m3, mg/m3, m3/mg.
Ishni bajarish vaqtida havo hajmini о‘lchashda qaysi asbobdan foydalandingiz?
Javob: rotametr, reometr, aspirator, mikromanometr, anemometr.
Standart usuli bо‘yicha chang konsentratsiyasini aniqlash formulasini kо‘rsating
Javob:
4. Tо‘qimachilik korxanalari uchun changning yо‘l qо‘ysa bо‘ladigan konsentratsiyasini /YQBK/ kо‘rsating. /mg/m3 larda/
Javob: 8-10, 6-8, 4-6, 2-4, 2-10.
Paxta changining dispersligi /katta-kichikligi/ bо‘yicha odam organizmi uchun xavfli diapazonini kо‘rsating. /mkm larda/.
Javob: 50 gacha, 20 gacha, 15 gacha, 10 gacha, 5 gacha.
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