Environmental Engineering in CE A gas is termed as non-toxic, if its maximum permissible concentration (TLV) ranges from __________ ppm. 10000 to 100000 6000 to 9000 3000 to 6000 1000 to 2000 10000 to 100000 6000 to 9000 3000 to 6000 1000 to 2000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 5-200 μm size particles are called Colloids or aerosols Dust Powder Smoke Colloids or aerosols Dust Powder Smoke ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High noise levels produced during operation of fans and compressors can be reduced by using Accoustical absorbent None of these Lagging of noisy duct Mufflers (silencers) Accoustical absorbent None of these Lagging of noisy duct Mufflers (silencers) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE White smoke coming out of the chimney of a furnace indicates the use of Liquid fuel in the furnace Very high excess air Low excess air Gaseous fuel in the furnace Liquid fuel in the furnace Very high excess air Low excess air Gaseous fuel in the furnace ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible limit of mercury in human blood is __________ micrograms/100 c.c. 19 7 82 1 19 7 82 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following causes death by asphyxiation, if its presence in atmospheric air exceeds maximum allowable concentration (i.e. > 50 ppm)? Benzopyrene Sulphur dioxide Carbon monoxide Peroxyacyl nitrate Benzopyrene Sulphur dioxide Carbon monoxide Peroxyacyl nitrate ANSWER DOWNLOAD EXAMIANS APP
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