Environmental Engineering in CE If the coli form bacteria is present in a sample of water, then the coli-form test to be conducted is(i) Presumptive coli-form test(ii) Confirmed coli-form test(iii) Completed coli-form test Only (i) Both (i) and (iii) All (i), (ii) and (iii) Both (i) and (ii) Only (i) Both (i) and (iii) All (i), (ii) and (iii) Both (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Death may occur, when SO₂ concentration in atmospheric air exceeds __________ ppm. 200 100 400 20 200 100 400 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Brown spots in fabrics will be caused by washing with water containing large amount of . Zinc Iron Iodine Bromine Zinc Iron Iodine Bromine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following gases is having the widest explosion limit (about 2 to 81% gas in gas-air mixture), rendering it the property of the most explosive gas? Acetylene Hydrogen Ammonia Carbon monoxide Acetylene Hydrogen Ammonia Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible limit of mercury in human blood is __________ micrograms/100 c.c. 7 19 1 82 7 19 1 82 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Atmospheric pollution caused by the exhaust gas of supresonic transport air-crafts is mostly in the atmospheric region called Troposphere Thermosphere Stratosphere Mesosphere Troposphere Thermosphere Stratosphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
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