GATE Chemical Q&A

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GATE Chemical 2020 | GA Question: 6

answered 5 days ago in Verbal Ability by Arjun (3.2k points)

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GATE Chemical 2020 | GA Question: 4

answered 5 days ago in Verbal Ability by Arjun (3.2k points)

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GATE Chemical 2020 | GA Question: 3

answered 5 days ago in Verbal Ability by Arjun (3.2k points)

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GATE Chemical 2020 | GA Question: 2

answered 5 days ago in Verbal Ability by Arjun (3.2k points)

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GATE Chemical 2020 | GA Question: 1

answered 5 days ago in Verbal Ability by Arjun (3.2k points)

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GATE Chemical 2020 | GA Question: 8

answered Apr 2 in Numerical Ability by Lakshman Patel RJIT (2.1k points)

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1 answer

GATE Chemical 2020 | GA Question: 10

answered Mar 31 in Numerical Ability by Lakshman Patel RJIT (2.1k points)

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GATE CH 2021 | GA Question: 1
The ratio of boys to girls in a class is $7$ to $3$. Among the options below, an acceptable value for the total number of students in the class is: $21$ $37$ $50$ $73$

asked Mar 1 in Numerical Ability by jothee (1.4k points)

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GATE CH 2021 | GA Question: 2
A polygon is convex if, for every pair of points, $P$ and $Q$ ... following is $\underline{ \text{NOT}}$ a convex polygon?

asked Mar 1 in Numerical Ability by jothee (1.4k points)

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GATE CH 2021 | GA Question: 3
Consider the following sentences: Everybody in the class is prepared for the exam. Babu invited Danish to his ... grammatically incorrect and $\text{(ii)}$ is ambiguous

asked Mar 1 in Verbal Ability by jothee (1.4k points)

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GATE CH 2021 | GA Question: 4
A circular sheet of paper is folded along the lines in the direction shown. The paper, after being punched in ... in the reverse order of folding, will look like ________.

asked Mar 1 in Spatial Aptitude by jothee (1.4k points)

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GATE CH 2021 | GA Question: 5
____________ is to $\textit{surgery}$ as $\textit{writer}$ is to __________ Which one of the following ... Plan, outline Hospital, library Doctor, book Medicine, grammar

asked Mar 1 in Verbal Ability by jothee (1.4k points)

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GATE CH 2021 | GA Question: 6
We have $2$ rectangular sheets of paper, $M$ and $N$, of dimensions $6$ cm $\times$ $1$ cm each. Sheet $M$ is rolled to form an ... $\frac{9}{\pi} \\$ $3 \pi$

asked Mar 1 in Numerical Ability by jothee (1.4k points)

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GATE CH 2021 | GA Question: 7
... its marked price, is ___________ $25$ $12.5$ $10$ $5$

asked Mar 1 in Numerical Ability by jothee (1.4k points)

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GATE CH 2021 | GA Question: 8
There are five bags each containing identical sets of ten distinct chocolates. One chocolate is picked from each bag. The probability ... $0.4235$ $0.6976$ $0.8125$

asked Mar 1 in Numerical Ability by jothee (1.4k points)

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GATE CH 2021 | GA Question: 9
Given below are two statements $1$ and $2$, and two conclusions $\text{I}$ and $\text{II}$ ... Neither conclusion $\text{I}$ nor $\text{II}$ is correct

asked Mar 1 in Analytical Aptitude by jothee (1.4k points)

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GATE CH 2021 | GA Question: 10

asked Mar 1 in Verbal Ability by jothee (1.4k points)

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GATE CH 2021 | Question: 1
An ordinary differential equation $\text{(ODE)}, \: \dfrac{dy}{dx}=2y$, with an initial condition $y(0)=1$, has the analytical ... $0.06$ $0.8$ $4.0$ $8.0$

asked Mar 1 in Numerical Methods by jothee (1.4k points)

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GATE CH 2021 | Question: 2
The function $\cos(x)$ is approximated using Taylor series around $x=0$ as $\cos(x) \approx 1 + ax + bx^2 + cx^3 + dx^4$. The values ... $a=-0.5, \: b=0,\: c=0.042, \: d=0$

asked Mar 1 in Calculus by jothee (1.4k points)

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GATE CH 2021 | Question: 3
The heat of combustion of methane, carbon monoxide and hydrogen are $P$, $Q$ and $R$ ... $Q+3R-P$ $P-Q-R$ $Q+R-P$

asked Mar 1 in Others by jothee (1.4k points)

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GATE CH 2021 | Question: 4
A batch settling experiment is performed in a long column using a dilute dispersion containing equal number of particles of ... $A$ particles on top of type $B$ particles

asked Mar 1 in Others by jothee (1.4k points)

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GATE CH 2021 | Question: 5
A three-dimensional velocity field is given by $V=5x^2y \: i + Cy \: j-10xyz \: k$, where $i,j,k$ are the unit vectors in ... fluid flow, the value of $C$ is $-1$ $0$ $1$ $5$

asked Mar 1 in Calculus by jothee (1.4k points)

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GATE CH 2021 | Question: 6
Heat transfer coefficient for a vapor condensing as a film on a vertical surface is given by Dittus- ... equation Nusselt theory Chilton-Colburn analogy Sieder-Tate equation

asked Mar 1 in Others by jothee (1.4k points)

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GATE CH 2021 | Question: 7
In a double-pipe heat exchanger of $10 \: m$ length, a hot fluid flows in the annulus and a cold fluid flows in the inner pipe. The ... $24.6$ $27.9$ $30.0$ $50.0$

asked Mar 1 in Others by jothee (1.4k points)

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GATE CH 2021 | Question: 8
For a shell-and-tube heat exchanger, the clean overall heat transfer coefficient is calculated as $\text{250 W m$^{-2}$ K}^{-1}$ ... 2}$ K}^{-1})$. $100$ $150$ $200$ $250$

asked Mar 1 in Others by jothee (1.4k points)

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GATE CH 2021 | Question: 9
In reverse osmosis, the hydraulic pressure and osmotic pressure at the feed side of the membrane are $P_1$ and $\pi_1$, ... $P_1 - \pi_1 = P_2-\pi_2$

asked Mar 1 in Others by jothee (1.4k points)

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GATE CH 2021 | Question: 10
Ethylene adsorbs on the vacant active sites $V$ ... $N_T=N_V+0.5N_{C_2H_4}$

asked Mar 1 in Others by jothee (1.4k points)

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GATE CH 2021 | Question: 11
Which of the following is $\text{NOT}$ a standard to transmit measurement and control signals? $4-20 \: \text{mA}$ $3-15 \text{ psig}$ $0-100\: \%$ $1-5 \text{ VDC}$

asked Mar 1 in Others by jothee (1.4k points)

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GATE CH 2021 | Question: 12
A feedforward controller can be used only if the disturbance variable can be measured the disturbance variable ... variable can be ignored regulatory control is not required

asked Mar 1 in Others by jothee (1.4k points)

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GATE CH 2021 | Question: 13
Turnover ratio is defined as $\dfrac{\text{Fixed capital investment}}{\text{Gross annual sales}} \\$ ...

asked Mar 1 in Others by jothee (1.4k points)

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GATE CH 2021 | Question: 14
A principal amount is charged a nominal annual interest rate of $10 \%$. If the interest rate is compounded continuously ... using an effective interest rate of $27.18 \%$

asked Mar 1 in Others by jothee (1.4k points)

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GATE CH 2021 | Question: 15
Match the common name of chemicals in $\text{Group-1}$ with their chemical formulae in $\text{Group-2}$ ... $\text{P-II, Q-I, R- III}$

asked Mar 1 in Others by jothee (1.4k points)

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GATE CH 2021 | Question: 16
For the function $f(x) = \begin{cases} -x, & x<0 \\ x^2, & x \geq 0 \end{cases}$ ... $x=0$ $f(x)$ is differentiable at $x=0$

asked Mar 1 in Calculus by jothee (1.4k points)

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GATE CH 2021 | Question: 17
Feed solution $\textbf{F}$ is contacted with solvent $\textbf{B}$ in an extraction process. Carrier liquid ... raffinate composition if the mixture composition is at $M$

asked Mar 1 in Others by jothee (1.4k points)

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GATE CH 2021 | Question: 18
The inherent characteristics of the three control valves $P$, $Q$ and $R$ ... is an equal percentage valve $R$ is an equal percentage valve

asked Mar 1 in Others by jothee (1.4k points)

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GATE CH 2021 | Question: 19
A source placed at the origin of a circular sample holder (radius $r=1 \: m$) emits particles ... total number of particles emitted during the experiment is ___________.

asked Mar 1 in Others by jothee (1.4k points)

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GATE CH 2021 | Question: 20
$\textbf{A, B, C}$ and $\textbf{D}$ are vectors of length $4$ ... is __________

asked Mar 1 in Linear Algebra by jothee (1.4k points)

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GATE CH 2021 | Question: 21
The van der Waals equation of the state is given by $P_r = \dfrac{8T_r}{3v_r-1} - \dfrac{3}{v_r^2}$ ... equation of state is __________ (round off to $2$ decimal places).

asked Mar 1 in Others by jothee (1.4k points)

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GATE CH 2021 | Question: 22
Consider a steady flow of an incompressible, Newtonian fluid through a smooth circular pipe. Let ... is ______ (round off to $2$ decimal places).

asked Mar 1 in Others by jothee (1.4k points)

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GATE CH 2021 | Question: 23
The molar heat capacity at constant pressure $C_p$ (in $\text{J mol}^{-1} K^{-1}$) for $n$-pentane as a function of ... $2$ decimal places).

asked Mar 1 in Others by jothee (1.4k points)

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