Environmental Engineering in CE The upper layer of atmosphere is called the Troposphere Ionosphere None of these Stratosphere Troposphere Ionosphere None of these Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The maximum permissible noise level to which a man working in a chemical plant can be exposed for eight hours per day is about __________ decibels. 105 60 90 120 105 60 90 120 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Brown spots in fabrics will be caused by washing with water containing large amount of . Bromine Iron Zinc Iodine Bromine Iron Zinc Iodine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oceans act as sinks for atmospheric gases including carbon dioxide whose concentration in the atmosphere is increased by the Forestation Rain Vegetation Green house effect Forestation Rain Vegetation Green house effect ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A standard test for determination of hardness in water is termed as __________ test. Total count EDTA Electometric Presumptive Total count EDTA Electometric Presumptive ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water filtration rate in a slow sand filter ranges from __________ litres/m²/hr. 10 to 20 100 to 200 4000 to 5000 1500 to 2500 10 to 20 100 to 200 4000 to 5000 1500 to 2500 ANSWER DOWNLOAD EXAMIANS APP