Environmental Engineering in CE TLV of mercury in potable (drinking) water is about __________ ppm. 1 0.1 0.001 5 1 0.1 0.001 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A gas is termed as non-toxic, if its maximum permissible concentration (TLV) ranges from __________ ppm. 10000 to 100000 3000 to 6000 1000 to 2000 6000 to 9000 10000 to 100000 3000 to 6000 1000 to 2000 6000 to 9000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm. 1 5 500 50 1 5 500 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Reingleman chart No. 2 corresponds to __________ percent black smoke. 20 40 10 80 20 40 10 80 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Industrial workers working in leather tanning & manufacturing units are prone to suffer from Blurred vision Skin diseases (e.g. dermatities) Respirtory ailments (e.g. bronchitis) Silicosis Blurred vision Skin diseases (e.g. dermatities) Respirtory ailments (e.g. bronchitis) Silicosis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Brown spots in fabrics will be caused by washing with water containing large amount of . Iron Iodine Bromine Zinc Iron Iodine Bromine Zinc ANSWER DOWNLOAD EXAMIANS APP
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