Environmental Engineering in CE Noise level heard at a distance of about 100 metres from a jet engine with after burner is about __________ decibels. 120 140 170 200 120 140 170 200 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fresh sewage is __________ in nature. Acidic Highly acidic Neutral Alkaline Acidic Highly acidic Neutral Alkaline 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 (iii) Only (i) All (i), (ii) and (iii) Both (i) and (ii) Both (i) and (iii) Only (i) All (i), (ii) and (iii) Both (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Polyvinyl chloride containers are not suitable for storing Metallic powder Foodstuffs Woolen clothes None of these Metallic powder Foodstuffs Woolen clothes None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level during normal conversation among men is about __________ decibles. 10 115 45 90 10 115 45 90 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of carbon monoxide in atmosphere produced by decomposition of chlorophyl and haemoglobin breakdown of some animals, beyond TLV (>50 ppm) Acts as a green house gas thereby raising earth's temperature Causes increase in sea level Causes asphyxia Inhances the green house effect Acts as a green house gas thereby raising earth's temperature Causes increase in sea level Causes asphyxia Inhances the green house effect ANSWER DOWNLOAD EXAMIANS APP