Environmental Engineering Orthotolidine test is used for determination of Residual chlorine Dose of coagulant Dissolved oxygen Biochemical oxygen demand Residual chlorine Dose of coagulant Dissolved oxygen Biochemical oxygen demand ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The disinfection efficiency of chlorine increases by (i) Decreasing the time of contact (ii) Decreasing the temperature of water (iii) Increasing the temperature of water Only (i) Both (i) and (iii) Both (i) and (ii) Only (iii) Only (i) Both (i) and (iii) Both (i) and (ii) Only (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable system of sanitation for area of distributed rainfall throughout the year with less intensity is Partially separate system Partially combined system Combined system Separate system Partially separate system Partially combined system Combined system Separate system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Alkalinity in water is expressed as milligrams per litre in terms of equivalent Sodium carbonate Calcium hydroxide Calcium carbonate Magnesium carbonate Sodium carbonate Calcium hydroxide Calcium carbonate Magnesium carbonate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The means of access for inspection and cleaning of sewer line is known as Manhole Catch basin Drop manhole Inlet Manhole Catch basin Drop manhole Inlet ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The settling velocity of a particle in a sedimentation tank increases if The surface area of tank is increased Particle size is decreased The depth of tank is decreased None of these The surface area of tank is increased Particle size is decreased The depth of tank is decreased None of these ANSWER DOWNLOAD EXAMIANS APP
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