Environmental Engineering in CE The pH value of potable water should be between 6.5 to 8 4 to 5 1 to 1.5 13 to 14 6.5 to 8 4 to 5 1 to 1.5 13 to 14 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Foaming and priming in boiler operation can be reduced by reduction in __________ in feed water. Turbidity Color (Hazen) Total solids All of these Turbidity Color (Hazen) Total solids All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ozone is Impervious to ultra-violet rays Both B & C A secondary pollutant A primary pollutant Impervious to ultra-violet rays Both B & C A secondary pollutant A primary pollutant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Particles having diameter greater than 75 μm (micrometer = 10-6 mm) are called Grit Powder Dust Smoke Grit Powder Dust Smoke ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sooty and sulphurous smog formed due to combustion of fossil fuels particularly in winter, continues throughout the day and night. When the moist atmospheric air's water vapor condenses on the solid particles of smoke thereby forming smog (smoke + fog), it causes Respiratory trouble Poor visibility due to sky darkening All of these Irritation in eyes Respiratory trouble Poor visibility due to sky darkening All of these Irritation in eyes 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) Causes increase in sea level Inhances the green house effect Causes asphyxia Acts as a green house gas thereby raising earth's temperature Causes increase in sea level Inhances the green house effect Causes asphyxia Acts as a green house gas thereby raising earth's temperature ANSWER DOWNLOAD EXAMIANS APP
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