Environmental Engineering in CE Permissible safe limit (TLV) of __________ toxic gas is 100-1000 parts per million (ppm). Moderately Very extremely Extremely Highly Moderately Very extremely Extremely Highly ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A shallow pond in which the sewage is retained and biologically treated is called Imhoff tank Skimming tank Oxidation Lagoon Imhoff tank Skimming tank Oxidation Lagoon ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible limit of mercury in human blood is __________ micrograms/100 c.c. 19 1 82 7 19 1 82 7 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise emitted by a ventilation fan at a distance of 3 metres is about __________ decibels. 125 105 85 145 125 105 85 145 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Brown spots in fabrics will be caused by washing with water containing large amount of . Zinc Iodine Bromine Iron Zinc Iodine Bromine Iron ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level inside a jet air liner in normal flight is about __________ decibels. 125 100 80 145 125 100 80 145 ANSWER DOWNLOAD EXAMIANS APP