Recent questions

​​​​For flood routing, consider the following statements$\text{P}$ : Hydrologic routing method uses continuity equation and momentum equation$\text{Q}$ : Hydraulic routin...

​​​​For a gradually varied flow, consider the following statements$\mathrm{P}: y_{n}>y_{c}>y$ in $M_{3}$ surface profile$\mathrm{Q}: $y_{n}<y_{c}<y$ in $S_{1}$ surface p...

​​​Match the following and choose the correct option from the following$1-\mathrm{z}, 2-\mathrm{y}, 3-\mathrm{x}$$1-\mathrm{y}, 2-\mathrm{z}, 3-\mathrm{x}$$1-\mathrm{x}, ...

​​​​Multiple effect evaporator is commonly used, in the zero liquid discharge (ZLD) scheme, for $\_\_\_\_\_\_\_$oxidation of organic pollutantsprecipitation of heavy meta...

​​​​​Consider the following statements$P$: According to the National Ambient Air Quality Standards (Central Pollution Control Board, Govt. of India, notification $2009$),...

​​​​Which option gives the components that are most likely to be present in the segregated combustible fraction (SCF) separated from raw mixed municipal solid waste (MSW)...

​​​​Correctly match the sustainable development goal (SDG) with its theme$$\begin{array}{|l|l|l|l|} \hline & \textbf{SDG} & & \textbf{Theme} \\ \hline i. & \text{SDG }6...

​​​​​Choose the correct option regarding the Basel ConventionAlmost all the nations of the world assembled for the first time in the history to discuss and find out the s...

​​​​​​Consider the following statementsEnvironmental pollutant concentration is generally modeled using lognormal distribution.Environmental pollutant concentration is ge...

​​​​​Choose the correct statement(s) from the following regarding the structure/ reproduction of microorganismsProkaryotes do not have nucleus but Eukaryotes have nucleus...

​​​​Consider the following statements related to nitrification process:Electron acceptor type vary depending on whether nitrosomonas or nitrobacter is involved.Predominan...

​​​​​Stubble burning results in release of particulate matter, volatile organic compounds, oxides of nitrogen and sulfur, to name a few. A researcher is planning to use a...

​​​​​Plastic wastes may be burnt to generate fuel oil and fuel gas.Plastic wastes along with bitumen may be used for road/pavement construction.Polyethylene terephthalate...

​​​​​Choose the option(s) giving the correct process flow-sheet for producing refuse derived fuel (RDF) from the segregated waste collected in the dry waste containers (b...

​​​​​​Choose the correct option(s) from the following regarding the symbiotic relationshipsLichens are a symbiotic association of fungi and bacteria. They can survive in ...

​​​​Methane hydrates have special crystal structure of water, where methane gas molecules are trapped. Choose the correct option(s) from the followingMethane hydrates exi...

Choose the correct option(s) from the following regarding urban environment.Urban canyons increase ventilation by trapping heat and thus enhancing urban heat island effec...

​​​​Choose the correct option(s) from the following regarding cumulative toxicityBioaccumulation is the process by which a living organism keeps on accumulating pollutant...

$\lim _{x \rightarrow 0}\left(\frac{\ln (1+x)}{2 \sin x}\right)$ is $\_\_\_\_\_\_$ (rounded off to two decimal places).

An unconfined aquifer of areal extent $20 \mathrm{~km} \times 20 \mathrm{~km}$ has hydraulic conductivity of $4 \mathrm{~m} / \mathrm{day}$, porosity of $0.32$, and stora...