Environmental Engineering Alkalinity in water is expressed as milligrams per litre in terms of equivalent Calcium carbonate Calcium hydroxide Magnesium carbonate Sodium carbonate Calcium carbonate Calcium hydroxide Magnesium carbonate Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Facultative bacteria are able to work in Absence of oxygen only Presence of water Presence as well as in absence of oxygen Presence of oxygen only Absence of oxygen only Presence of water Presence as well as in absence of oxygen Presence of oxygen only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The dissolved oxygen level in natural unpolluted waters at normal temperature is found to be of the order of 100 mg/liter 10 mg/liter 1 mg/liter 1000 mg/liter 100 mg/liter 10 mg/liter 1 mg/liter 1000 mg/liter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Chlorine demand of water is equal to Sum of applied and residual chlorine Applied chlorine Difference of applied and residual chlorine Residual chlorine Sum of applied and residual chlorine Applied chlorine Difference of applied and residual chlorine Residual chlorine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering A pipe conveying sewage from plumbing system of a single building to common sewer or point of immediate disposal is called Lateral sewer Main sewer House sewer Sub-main sewer Lateral sewer Main sewer House sewer Sub-main sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In lime-soda process Only carbonate hardness is removed Lime reduces the carbonate hardness and soda-ash removes the non-carbonate hardness Lime reduces the non-carbonate hardness and soda-ash removes the carbonate hardness Only noncarbonated hardness is removed Only carbonate hardness is removed Lime reduces the carbonate hardness and soda-ash removes the non-carbonate hardness Lime reduces the non-carbonate hardness and soda-ash removes the carbonate hardness Only noncarbonated hardness is removed ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS