Environmental Engineering Alkalinity in water is expressed as milligrams per litre in terms of equivalent Calcium carbonate Magnesium carbonate Calcium hydroxide Sodium carbonate Calcium carbonate Magnesium carbonate Calcium hydroxide Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The polluted water is one which Consists of undesirable substances rendering it unfit for drinking and domestic use Is safe and suitable for drinking and domestic use Contains pathogenic bacteria Is contaminated Consists of undesirable substances rendering it unfit for drinking and domestic use Is safe and suitable for drinking and domestic use Contains pathogenic bacteria Is contaminated ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Select the correct relationship between porosity (N), specific yield (y) and specific retention (R) R > (N + y) y = N + R N = y + R R = N + y R > (N + y) y = N + R N = y + R R = N + y ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Facultative bacteria are able to work in Presence as well as in absence of oxygen Presence of water Absence of oxygen only Presence of oxygen only Presence as well as in absence of oxygen Presence of water Absence of oxygen only Presence of oxygen only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Average rate of water consumption per head per day as per Indian Standard is 200 liters 135 liters 165 liters 100 liters 200 liters 135 liters 165 liters 100 liters ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve, which is provided on the suction pipe in a tube-well, is Reflux valve Air relief valve Sluice valve Pressure relief valve Reflux valve Air relief valve Sluice valve Pressure relief valve ANSWER DOWNLOAD EXAMIANS APP