Recent questions

An anaerobic digestion system is operated for methane gas generation from organic fraction of municipal solid waste $\text{(OFMSW)}$. The moisture content and volatile so...

The characteristics of two types of solid waste are given in the table.The quantity of sludge to be added to leaves to achieve a $\mathrm{C} / \mathrm{N}$ ratio of $25$ (...

The concentration of chemical $\text{A}$ in ambient air is $50 ~\mu \mathrm{~g} / \mathrm{m}^{3}$ and the toxicological index limit for a threshold health effect for this...

An agricultural land can support energy crops yield to produce $7000$ $\text{L}$ of bioethanol per hectare and energy content of bioethanol is $21 \mathrm{MJ} / \mathrm{L...

The area in the first quadrant bounded by the function $y=(8-x)$ and the coordinate axes is $\_\_\_\_$ square units (answer in integer).

​​​​Courage : Bravery :: Yearning : $\_\_\_\_$Select the most appropriate option to complete the analogy.LongingYellingYawningGlaring

​​​​We $\_\_\_\_\_\_$ tennis in the lawn when it suddenly started to rain.Select the most appropriate option to complete the above sentence.have been playinghad been play...

​​​A $4 \times 4$ digital image has pixel intensities $(U)$ as shown in the figure. The number of pixels with $U \leq 4$ is:$$\begin{array}{|l|l|l|l|} \hline 0 & 1 & 0 & ...

​​​In the given figure, the numbers associated with the rectangle, triangle, and ellipse are $1,2$, and $3$, respectively. Which one among the given options is the most a...

​​​​A rectangle has a length $\text{L}$ and a width $\text{W}$ , where $\text{L>W}$. If the width, $\text{W}$, is increased by $10 \%$, which one of the following stateme...

​​​​Column-I has statements made by Shanthala; and, Column-II has responses given by Kanishk.$$\begin{array}{|l|l|l|l|} \hline & \text{ Column-I }& &\text{ Column-II } \...

​​​​A regular dodecagon ($12$-sided regular polygon) is inscribed in a circle of radius $r$ cm as shown in the figure. The side of the dodecagon is $d \mathrm{~cm}$. All ...

​If a real variable $x$ satisfies $3^{x^{2}}=27 \times 9^{x}$, then the value of $\frac{2^{x^{2}}}{\left(2^{x}\right)^{2}}$ is:$2^{-1}$$2^{0}$$2^{3}$$2^{15}$

​The number of patients per shift $(X)$ consulting Dr. Gita in her past $100$ shifts is shown in the figure. If the amount she earns is ₹ $1000(X-0.2)$, what is the avera...

​​​​Assuming $s>\mid a \mid$; Laplace transform of $f(x)=\cosh a x$ is$\frac{s}{s^{2}+a^{2}}$$\frac{a}{s^{2}+a^{2}}$$\frac{s}{s^{2}-a^{2}}$$\frac{a}{s^{2}-a^{2}}$

​​​​For the ordinary differential equation $\frac{d^{2} y}{d x^{2}}+4 y=0$, the general solution is$y=c_{1} \cos 2 x+c_{2} \sin 2 x$$y=c_{1} \cosh 2 x+c_{2} \sinh 2 x$$y=...

​​​Consider the following two series$$\begin{array}{l} \mathrm{P}: \sum_{n=1}^{\infty} \frac{1}{n} \\ \mathrm{Q}: \sum_{n=1}^{\infty} \frac{1}{n^{2}} \end{array}$$Choose ...

​​​​Choose the redox reaction from the following$\mathrm{H}_{2} \mathrm{CO}_{3} \leftrightarrow \mathrm{H}^{+}+\mathrm{HCO}_{3}^{-}$$\mathrm{Hg}^{2+}+2 \mathrm{OH}^{-} \l...

​​​​Which one of the following is performed by autotrophic bacteria?Aerobic biodegradation of organic matterAnaerobic biodegradation of organic matterAerobic nitrificatio...