Environmental Engineering in CE Persons working in cement plants and limestone quarries are more prone to disease like Flourosis (bone disease) Asthma Silicosis Cancer Flourosis (bone disease) Asthma Silicosis Cancer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing __________ molecules of ozones. 10⁵ 10⁹ 10¹⁵ 10² 10⁵ 10⁹ 10¹⁵ 10² ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The principal gas evolved from sludge digestion tank is CO₂ CO CH₄ N₂ CO₂ CO CH₄ N₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water treatment, alum[Al2(SO₄)3] is used for the process of Disinfection Sedimentation Coagulation Filtration Disinfection Sedimentation Coagulation Filtration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible limit of industrial noise as recommended by World Health Organisation (WHO) is __________ decibels. 105 75 35 95 105 75 35 95 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following radioactive wastes emits all α, β & γ rays and hence is the most hazardous of all radioactive emitters? Ra-226 Au-198 I-131 Sr-90 Ra-226 Au-198 I-131 Sr-90 ANSWER DOWNLOAD EXAMIANS APP