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GATE Chemical 2020 | Question: 2
Consider the hyperbolic functions in $\textbf{Group-1}$ and their definitions in $\textbf{Group-2}$.$\begin{array}{llll} & \textbf{Group-1} & & \textbf{Group-2} \\ \textb...
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GATE Chemical 2020 | Question: 5
In a constant-pressure cake filtration with an incompressible cake layer, volume of the filtrate $(V)$ is measured as a function of time $t$. The plot of $t/V$ versus $V$...
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GATE Chemical 2020 | Question: 14
Consider the processes in $\textbf{Group – 1}$ and the reactions in $\textbf{Group – 2}$.$\begin{array}{llll} & \textbf{Group – 1} & & \textbf{Group – 2} \\ \text...
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GATE Chemical 2020 | Question: 18
Ratio of momentum diffusivity to thermal diffusivity isReynolds numberPrandtl numberNusselt numberPeclet number
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GATE Chemical 2020 | Question: 11
Which one of the following is $\textbf{NOT CORRECT}$?nylon$-6,6$ is produced by condensation polymerizationphenol-formaldehyde resin is a thermosetting polymerhigh densit...
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GATE Chemical 2020 | Question: 19
Mole fraction and activity coefficient of component $1$ in a binary liquid mixture are $x_1$ and $\gamma _1$ respectively. $G^E$ is excess molar Gibbs energy of the mixtu...
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GATE Chemical 2019 | Question: 15
Three distillation schemes for separating an equimolar, constant relative volatility $ABC$ mixture into nearly pure components are shown. The usual simplifying assumption...
Arjun
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Arjun
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Feb 24, 2019
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GATE Chemical 2019 | Question: 18
In Kraft process, the essential chemical reagents used in the digester arecaustic soda, mercaptans and ethylene oxidecaustic soda, sodium sulphide and soda ashquick lime,...
Arjun
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Arjun
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Feb 24, 2019
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GATE Chemical 2019 | Question: 11
For a first order reaction in a porous spherical catalyst pellet, diffiusional effects are most likely to lower the observed rate of reaction for slow reaction in a pell...
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Feb 24, 2019
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GATE Chemical 2019 | Question: 4
For a single component system, vapor (subscript $g$) and liquid (subscript $f$) coexist in mechanical, thermal and phase equilibrium when$u_{g}=u_{f}$ (equality of specif...
Arjun
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GATE Chemical 2019 | Question: 19
The most common catalyst used for oxidation of $o$-xylene to phthalic anhydride is$V_{2}O_{5}$$Pd$$Pt$$Ag$
Arjun
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Arjun
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Feb 24, 2019
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GATE Chemical 2019 | Question: 17
Producer gas is obtained bypassing air through red hot cokethermal cracking of naphthapassing steam through red hot cokepassing air and steam through red hot coke
Arjun
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Feb 24, 2019
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GATE Chemical 2019 | GA Question: 3
Two cars at the same time from the same location and go in the same direction. The speed of the first car is $50$ km/h and the speed of the second car is $60$ km/h. The n...
Arjun
4.7k
points
Arjun
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Feb 24, 2019
Quantitative Aptitude
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numerical-ability
speed-time-distance
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GATE Chemical 2019 | Question: 21
The combination that correctly matches the polymer in Group-$1$ with the polymerization reaction type in Group-$2$ is $$\begin{array}{lclc}\&\text{Group-1} & &\text{Group...
Arjun
4.7k
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Arjun
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Feb 24, 2019
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GATE Chemical 2019 | GA Question: 1
The expenditure on the project _____ as follows: equipment Rs.$20$ lakhs, salaries Rs.$12$ lakhs, and contingency Rs.$3$ lakhs.break downbreakbreaks downbreaks
Arjun
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Feb 24, 2019
Verbal Aptitude
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verbal-ability
most-appropriate-word
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GATE Chemical 2019 | Question: 35
Two unbiased dice are thrown. Each dice can show any number between $1$ and $6$. The probability that the sum of the outcomes of the two dice is divisible by $4$ is _____...
Arjun
4.7k
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Arjun
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Feb 24, 2019
Probability and Statistics
gate2019
numerical-answers
probability-and-statistics
probability
conditional-probability
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GATE Chemical 2019 | Question: 1
A system of $n$ homogeneous linear equations containing $n$ unknowns will have non-trivial solutions if and only if the determinant of the coefficient matrix is$1$$-1$$0$...
Arjun
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points
Arjun
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Feb 24, 2019
Linear Algebra
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linear-algebra
matrices
system-of-equations
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GATE Chemical 2019 | Question: 24
The liquid flow rate through an equal percentage control valve, when fully open, is $150$ gal/min and the corresponding pressure drop is $50$ psi. If the specific gravity...
Arjun
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Feb 24, 2019
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GATE Chemical 2019 | Question: 22
The product of the eigenvalues of the matrix $\begin{pmatrix} 2 &3 \\ 0& 7 \end{pmatrix}$ is ____________ (rounded off to one decimal place).
Arjun
4.7k
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Arjun
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Feb 24, 2019
Linear Algebra
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numerical-answers
linear-algebra
matrices
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GATE Chemical 2019 | Question: 39
Consider a vessel containing steam at $180^{\circ}C$.The initial steam quality is $0.5$ and the initial volume of the vessel in $1$ $m^{3}$. The vessel loses heat at a co...
Arjun
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Feb 24, 2019
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GATE Chemical 2019 | Question: 3
Consider a rigid, perfectly insulated, container partitioned into two unequal parts by a thin membrane (see figure). One part contains one mole of an ideal gas at pressur...
Arjun
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GATE Chemical 2019 | Question: 30
Consider two non-interacting tanks-in-series as shown in figure. Water enters $TANK$ $1$ at $q$ $cm^{3}/s$ and drains down to $TANK$ $2$ by gravity at a rate $k\sqrt{h_{1...
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Feb 24, 2019
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GATE Chemical 2019 | Question: 13
The correct expression for the Colburn $j$-factor for mass transfer that relates Sherwood number ($Sh$), Reynolds number ($Re$) and Schmidt number ($Sc$) is$\frac{Sh}{\le...
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GATE Chemical 2019 | GA Question: 8
“A recent High Court judgement has sought to dispel the idea of begging as a disease – which leads to its stigmatization and criminalization – and to regard it as ...
Arjun
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Arjun
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Feb 24, 2019
Verbal Aptitude
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verbal-ability
verbal-reasoning
passage-reading
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GATE Chemical 2019 | Question: 14
In the drying of non-dissolving solids at constant drying conditions, the internal movement of moisture in the solid has a dominant effect on the drying rate duringthe in...
Arjun
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Feb 24, 2019
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GATE Chemical 2019 | GA Question: 7
In the given diagram, teachers are represented in the triangle, researchers in the circle and administrators in the rectangle. Out of the total number of the people, the ...
Arjun
4.7k
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Arjun
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Feb 24, 2019
Quantitative Aptitude
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numerical-ability
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GATE Chemical 2019 | Question: 27
The value of the complex number $i^{-1/2}$ (where $i=\sqrt{-1}$) is $\frac{1}{\sqrt{2}}\left ( 1-i \right )$$-\frac{1}{\sqrt{2}}i$$\frac{1}{\sqrt{2}}i$$\frac{1}{\sqrt{2}}...
Arjun
4.7k
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Feb 24, 2019
Complex variables
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complex-variables
complex-number
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GATE Chemical 2019 | Question: 6
For a fully-developed turbulent hydrodynamic boundary layer for flow past a flat plate, the thickness of the boundary layer increases with distance $x$ from the leading e...
Arjun
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Feb 24, 2019
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GATE Chemical 2019 | Question: 10
The desired liquid-phase reaction$D+E\overset{k_{1}}{\rightarrow}F \:\:\:\:\:\:\:\:\:r_{F}=k_{1}\:C_{D}^{2}\:C_{E}^{0.3}$is accompanied by an undesired side reaction$D+E\...
Arjun
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Feb 24, 2019
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GATE Chemical 2019 | GA Question: 9
In a college, there are three student clubs, $60$ students are only in the Drama club, $80$ students are only in the Dance club, $30$ students are only in Maths club, $40...
Arjun
4.7k
points
Arjun
asked
Feb 24, 2019
Quantitative Aptitude
gate2019
numerical-ability
venn-diagrams
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GATE Chemical 2019 | Question: 5
For a binary nonideal $A-B$ mixture exhibiting a minimum boiling azeotrope, the activity coefficients, $\gamma_{i} \left ( i=A, B \right )$, must satisfy$\gamma _{A} 1,\g...
Arjun
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Arjun
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Feb 24, 2019
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GATE Chemical 2019 | Question: 32
$100$ $kg$ of a feed containing $50$ $wt.\%$ of a solute $C$ is contacted with $80$ $kg$ of a solvent containing $0.5$ $wt.\%$ of $C$ is a mixer-settler unit. From the op...
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Arjun
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Feb 24, 2019
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GATE Chemical 2019 | Question: 47
The elementary liquid-phase irreversible reactions$A\overset{k_{1}=0.4\: min^{-1}}{\rightarrow}B\overset{k_{2}=0.1\:min^{-1}}{\rightarrow}C$take place in an isothermal id...
Arjun
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Arjun
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Feb 24, 2019
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GATE Chemical 2019 | Question: 16
Consider the two countercurrent heat exchanger designs for heating a cold stream from $t_{in}$ to $t_{out}$ as shown in figure. The hot process stream is available at $T_...
Arjun
4.7k
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Arjun
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Feb 24, 2019
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GATE Chemical 2019 | Question: 26
The solution of the ordinary differential equation$\frac{dy}{dx}+3y=1$, subjects to the initial condition $y=1$ at $x=0$, is$\frac{1}{3}\left ( 1+2e^{-x/3} \right )$$\fra...
Arjun
4.7k
points
Arjun
asked
Feb 24, 2019
Differential equations
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differential-equations
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GATE Chemical 2019 | Question: 36
The Newton-Raphson method is used to determine the root of the equation $f(x)=e^{-x}-x$. If the initial guess for the root is 0, the estimate of the root after two iterat...
Arjun
4.7k
points
Arjun
asked
Feb 24, 2019
Numerical Methods
gate2019
numerical-answers
numerical-methods
newton-raphson-method
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GATE Chemical 2019 | GA Question: 2
The search engine’s business model ____ around the fulcrum of trust.revolvesplayssinksbursts
Arjun
4.7k
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Arjun
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Feb 24, 2019
Verbal Aptitude
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verbal-ability
most-appropriate-word
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GATE Chemical 2019 | Question: 7
Consider a cylinder (diameter $D$ and length $D$), a sphere (diameter $D$) and a cube (side length $D$). Which of the following statements concerning the sphericity $\lef...
Arjun
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Arjun
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GATE Chemical 2019 | Question: 28
An incompressible Newtonian fluid flows in a pipe of diameter $D_{1}$ at volumetric flow rate $Q$. Fluid with same properties flows in another pipe of diameter $D_{2}=D_...
Arjun
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GATE Chemical 2019 | Question: 33
The combination that correctly matches the process in Group-$1$ with the entries in Group-$2$ is $\begin{array}{cc}\&\text{Group-1} & \text{Group-2} \\ &\text{P. Wulff pr...
Arjun
4.7k
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Arjun
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Feb 24, 2019
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