Environmental Engineering in CE Noise level in a quiet private business office is about __________ decibels. 70 25 50 85 70 25 50 85 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The progressive warming up of the earth's surface is mainly due to the De-forestation Blanketing effect of CO₂ in the atmosphere Automobile exhaust Thickening of ozone layer De-forestation Blanketing effect of CO₂ in the atmosphere Automobile exhaust Thickening of ozone layer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The destruction of water-borne pathogens is termed as disinfection of water. Which of the following is a water disinfectant? Alkalis Chlorine Benzene hexachloride Alkyl benzene sulphonate (ABS) Alkalis Chlorine Benzene hexachloride Alkyl benzene sulphonate (ABS) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Removal of __________ results from the disinfection of water. Turbidity Odour Bacteria Hardness Turbidity Odour Bacteria Hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ammonia, nitrogen dioxide and phenol vapor in air is __________ ppm. 1000 5 100 2000 1000 5 100 2000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 80% less than 200 mesh size particles are called Grit Powder Aggregates Smoke Grit Powder Aggregates Smoke ANSWER DOWNLOAD EXAMIANS APP
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