Recent questions tagged gatees-2024

Which of the following statement$\text{(s)}$ is/are CORRECT?DNA is composed of nucleotidesFive types of nitrogenous bases occur in DNAEach phosphate is attached to two de...

With reference to disinfection, which of the following statement(s) is/are CORRECT?Ethanol damages lipid structures in the bacterial cell membraneMercuric chloride inacti...

Enzymes with the class of enzymes are listed in the table.EnzymeClass of Enzyme$\text{(a)}$ Lactate dehydrogenase$\text{(i)}$ Isomerases$\text{(b)}$ Alanine racemase$\tex...

A gravity settling chamber of height ' $H$ ' and length ' $L$ ' is designed to control particulate air pollution. In the chamber, the horizontal velocity of air flow is '...

Consider two horizontal layers of an aquifer as shown in figure. Each layer is isotropic and homogeneous. Flow is parallel to the stratification. Thickness and horizontal...

The ionic strength of a solution containing $0.01 \mathrm{M}$ of $\mathrm{CaCl}_{2}$ and $0.001 \mathrm{M}$ of $\mathrm{Na}_{2} \mathrm{SO}_{4}$ is _________ $\mathrm{M}$...

The $\mathrm{pH}$ of a solution containing $0.1 \mathrm{M}$ of acetic acid and $0.05 \mathrm{M}$ of sodium acetate is __________ $\text{(rounded off to $2$ decimal places...

Consider the equation for a curve, $y=f(x)=x^{2}+x$.The area enclosed by the curve, the $x$-axis $\text{( $y=0$ line)}$; the vertical lines passing through $x=1$ and $x=2...

Based on the ISO $14040$ methodology for Life Cycle Assessment, match the terms with the descriptions in the table.TermDescription$\text{(a)}$ Goal and Scope$\text{(i)}$ ...

Water is flowing FULL through a rectangular tunnel of size $3 \mathrm{~m}$ (width) $\times 2 \mathrm{~m}$ (height). The average velocity of flow is $1 \mathrm{~m} / \math...

The Streeter-Phelp's oxygen sag equation for a river is based on a few assumptions. The correct assumption$\text{(s)}$ is/areAt any instant the deoxygenation rate is dire...

In a cyclone separator of radius $25 \mathrm{~cm}$, a particle is travelling with a gas stream at velocity of $18 \mathrm{~m} / \mathrm{s}$. The ratio of centrifugal forc...

With reference to the gate shown in the figure, the gate will start opening automatically when the water level ' $h$ ' above the hinge is __________ $\mathrm{m}$ $\text{(...

Consider a watershed and isohyets as shown in the figure. The average rainfall in the watershed is ___________ $\mathrm{mm}$ $\text{(an integer value)}$.

An industry discharges $2$ million liters per day $\text{(MLD)}$ of wastewater with a temperature of $45^{\circ} \mathrm{C}$ and a $\mathrm{pH}$ of $2$, whereas the neigh...

One million liters per day $\text{(MLD)}$ of wastewater with a soluble $\text{BOD}$ of $200 \mathrm{mg} / \mathrm{L}$ is treated in an activated sludge process. The $\tex...

The concentration of Ozone corresponding to a mixing ratio of $120 \mathrm{ppbv}$ at pressure of $1$ atmosphere and temperature of $25^{\circ} \mathrm{C}$ is ________ $\m...

A person consumes $2.5$ liters of water per day. The water quality test indicated that the supplied water has a $\mathrm{Pb}$ concentration of $0.6 \mathrm{mg} / \mathrm{...

For a biodegradable waste with a chemical formula $\mathrm{C}_{50} \mathrm{H}_{100} \mathrm{O}_{40} \mathrm{~N}$, the maximum theoretical methane production per ton of wa...

Food waste, paper waste and plastic waste have typical densities of $280 \mathrm{~kg} / \mathrm{m}^{3}, 80 \mathrm{~kg} / \mathrm{m}^{3}$, and $50 \mathrm{~kg} / \mathrm{...