Environmental Engineering in CE A 'body' which allows the short wavelength incoming solar radiation to enter in, but does not allow long wave length outgoing infra red radiation to escape out is called the Ionosphere Atmospheric effect Global warming Green house Ionosphere Atmospheric effect Global warming Green house ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU). 750 1500 20 230 750 1500 20 230 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following plants does not emit appreciable amount of SO₂ in atmosphere? Petroleum refinery Nitric acid plant Thermal power plant Sulphuric acid plant Petroleum refinery Nitric acid plant Thermal power plant Sulphuric acid plant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ in water stream are deleterious to aquatic life. Suspended solids Soluble and toxic organics All of these Heavy metals and cynides Suspended solids Soluble and toxic organics All of these Heavy metals and cynides ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of mercury in potable (drinking) water is about __________ ppm. 0.001 0.1 1 5 0.001 0.1 1 5 ANSWER DOWNLOAD EXAMIANS APP
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 Both (i) and (ii) All (i), (ii) and (iii) Both (i) and (iii) Only (i) Both (i) and (ii) All (i), (ii) and (iii) Both (i) and (iii) Only (i) ANSWER DOWNLOAD EXAMIANS APP