List of top Environmental Management Questions asked in TS PGECET

Which waste management option is most effective for reducing greenhouse gas emissions from organic solid waste?
Which pollutant is mainly responsible for thermal inversion-related smog episodes in urban areas?
Which long-term environmental effect is most strongly linked to excessive phosphorus discharge into water bodies?
Minamata disease is caused due to long-term exposure to
Which gas is primarily responsible for the corrosion of metals and monuments in polluted urban environments?
Which factor primarily controls the volatilization of organic pollutants from soil and water surfaces?
Which pollutant reduces atmospheric visibility by light scattering, contributing to haze formation?
Which process in the hydrologic cycle directly contributes to groundwater recharge?
Which of the following is a secondary air pollutant?
Excessive use of nitrogenous fertilizers in soil can directly lead to
A water sample shows high COD but relatively low BOD. This indicates the presence of
Temporary hardness of water is mainly caused by the presence of
Which gas contributes most to the natural greenhouse effect?
A high Sludge Volume Index (SVI) in an Activated Sludge Process (ASP) indicates
Sludge bulking in an activated sludge process is mainly due to
Which greenhouse gas has very high heat-trapping ability per molecule, but is present in the smallest amount in the atmosphere?
The tropopause is characterized by
Sloughing in trickling filters usually results in
The unit of coefficient of permeability is
The maximum permissible concentration of fluoride in drinking water is
For the removal of sub-micron particulate matter (\(\lt 1~\mu\mathrm{m}\)) from flue gases, which of the following devices generally provides the highest collection efficiency?
In water and wastewater analysis, Kjeldahl nitrogen (TKN) represents the sum of
Arrange the following devices in increasing order of particulate collection efficiency for fine particles: \[ \begin{aligned} A.&\ \text{Gravity settling chamber}\\ B.&\ \text{Cyclone separator}\\ C.&\ \text{Electrostatic precipitator} \end{aligned} \]
High concentration of nitrates (\(\gt 45\ \mathrm{mg/L}\)) in drinking water causes
A trickling filter receives an organic load of \(300~\mathrm{kg\ BOD/day}\) and has a filter volume of \(150~\mathrm{m^3}\). What is the organic loading rate of the filter?