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Questions by Arjun
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GATE CH 2022 | Question: 31
Two large parallel planar walls are maintained at $1000\:K$ and $500\:K$. Parallel radiation shields are to be installed between the ... the walls is (are) $1$ $0$ $2$ $3$
Two large parallel planar walls are maintained at $1000\:K$ and $500\:K$. Parallel radiation shields are to be installed between the two walls. Assume that the emissiviti...
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Feb 15, 2022
Others
gatech-2022
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GATE CH 2022 | Question: 32
Saturated steam condenses on a vertical plate maintained at a constant wall temperature. If $x$ is the vertical distance from the top edge ... $\frac{3}{4}$ $3$
Saturated steam condenses on a vertical plate maintained at a constant wall temperature. If $x$ is the vertical distance from the top edge of the plate, then the local he...
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Feb 15, 2022
Others
gatech-2022
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GATE CH 2022 | Question: 33
Match the product in Group-$1$ with the manufacturing process in Group-$2$ ... $\text{P-I, Q-IV, R-II, S-III}$
Match the product in Group-$1$ with the manufacturing process in Group-$2$. The correct combination is$$\begin{array}{|c|c|} \hline\text{} & \text{Group – 1} & & \text{...
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Feb 15, 2022
Others
gatech-2022
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GATE CH 2022 | Question: 34
The directional derivative of $f\left ( x, y, z \right ) = 4x^{2}+2y^{2}+z^{2}$ ... is _________________ (rounded off to two decimal places).
The directional derivative of $f\left ( x, y, z \right ) = 4x^{2}+2y^{2}+z^{2}$ at the point $(1, 1, 1)$ in the direction of the vector $\vec{v} = \hat{i} - \hat{k}$ is _...
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Feb 15, 2022
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gatech-2022
numerical-answers
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GATE CH 2022 | Question: 35
Consider a sphere of radius $4$, centered at the origin, with outward unit normal $\hat{n}$ on its surface ... is _________________ (rounded off to one decimal places)
Consider a sphere of radius $4$, centered at the origin, with outward unit normal $\hat{n}$ on its surface $S$. The value of the surface integral $\iint _{s} \left ( \dfr...
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Feb 15, 2022
Others
gatech-2022
numerical-answers
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GATE CH 2022 | Question: 36
The equation $\dfrac{dy}{dx} = xy^{2}+ 2y+ x- 4.5$ with the initial condition $y(x= 0) = 1$ is ... $x = 0.5$ is _____________________ (rounded off to three decimal places).
The equation $\dfrac{dy}{dx} = xy^{2}+ 2y+ x- 4.5$ with the initial condition $y(x= 0) = 1$ is to be solved using a predictor-corrector approach. Use a predictor based on...
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Feb 15, 2022
Others
gatech-2022
numerical-answers
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GATE CH 2022 | Question: 37
A substance at $4^{\circ}C$ ... (rounded off to the nearest integer).
A substance at $4^{\circ}C$ has a thermal expansion coefficient $\beta = \dfrac{1}{v}\left ( \dfrac{\partial v}{\partial T} \right )_P =0 \:K^{-1}$, an isothermal compres...
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Feb 15, 2022
Others
gatech-2022
numerical-answers
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GATE CH 2022 | Question: 38
The molar excess Gibbs free energy $(g^{E})$ of a liquid mixture of $A$ and $B$ ... $1$ bar is ___________________ (rounded off to the nearest integer).
The molar excess Gibbs free energy $(g^{E})$ of a liquid mixture of $A$ and $B$ is given by $$\frac{g^{E}}{RT} = x_{A}x_{B}\left [ C_{1} + C_{2} \left ( x_{A} - x_{B} \ri...
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Feb 15, 2022
Others
gatech-2022
numerical-answers
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GATE CH 2022 | Question: 39
For a pure substance, the following data at saturated conditions are given: ... $\text{kJ/mol}$ (rounded off to one decimal place).
For a pure substance, the following data at saturated conditions are given:$$\begin{array}{cccc}\text{ln}\:{P^{\text{sat}} (\text{bar})} & \text{T (K)} \\ 0.693 & 350 \\ ...
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Feb 15, 2022
Others
gatech-2022
numerical-answers
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GATE CH 2022 | Question: 40
Consider the process flowsheet in the figure. An irreversible liquid-phase reaction $A \rightarrow B$ ... (rounded off to two decimal places).
Consider the process flowsheet in the figure. An irreversible liquid-phase reaction $A \rightarrow B$ (reaction rate $-r_{A} = 164 \:x_{A}\text{ kmol }m^{-3}\:h^{-1}$) oc...
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Feb 15, 2022
Others
gatech-2022
numerical-answers
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GATE CH 2022 | Question: 41
Two reservoirs located at the same altitude are connected by a straight horizontal pipe of length $120\:m$ and inner ... $\text{kW}$ (rounded off to one decimal place).
Two reservoirs located at the same altitude are connected by a straight horizontal pipe of length $120\:m$ and inner diameter $0.5\:m$, as shown in the figure. A pump tra...
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Feb 15, 2022
Others
gatech-2022
numerical-answers
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GATE CH 2022 | Question: 42
A venturi meter (venturi coefficient, $C_{v} = 0.98$) is connected to a pipe of inner diameter $50$ $\text{mm}$. Water ... (rounded off to two decimal places)
A venturi meter (venturi coefficient, $C_{v} = 0.98$) is connected to a pipe of inner diameter $50$ $\text{mm}$. Water (density $1000\:kg\:m^{-3}$) is flowing through the...
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Feb 15, 2022
Others
gatech-2022
numerical-answers
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GATE CH 2022 | Question: 43
In a constant-rate cake filtration operation, the collected filtrate volumes are $120\:m^{3}$ ... $\text{kPa}$ (rounded off to the nearest integer).
In a constant-rate cake filtration operation, the collected filtrate volumes are $120\:m^{3}$ and $240\:m^{3}$ at $1$ min and $2$ min, respectively. Assume the cake resis...
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Feb 15, 2022
Others
gatech-2022
numerical-answers
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GATE CH 2022 | Question: 44
A cylindrical fin of diameter $24$ $\text{mm}$ is attached horizontally to a vertical planar wall. The heat transfer ... $\text{mm}$ (rounded off to the nearest integer).
A cylindrical fin of diameter $24$ $\text{mm}$ is attached horizontally to a vertical planar wall. The heat transfer rate from the tin to the surrounding ar is $60\%$ of ...
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Feb 15, 2022
Others
gatech-2022
numerical-answers
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GATE CH 2022 | Question: 45
A single-effect evaporator with a heat transfer area of $70\:m^{2}$ concentrates a salt solution using steam. The salt ... (rounded off to the nearest integer).
A single-effect evaporator with a heat transfer area of $70\:m^{2}$ concentrates a salt solution using steam. The salt solution feed rate and temperature are $10000\:kg\:...
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Feb 15, 2022
Others
gatech-2022
numerical-answers
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GATE CH 2022 | Question: 46
An equimolar binary mixture is to be separated in a simple tray-distillation column. The feed rate is ... ratio is __________ (rounded off to two decimal places).
An equimolar binary mixture is to be separated in a simple tray-distillation column. The feed rate is $50\text{ kmol min}^{-1}$ . The mole fractions of the more volatile ...
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Feb 15, 2022
Others
gatech-2022
numerical-answers
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GATE CH 2022 | Question: 47
The dry-bulb temperature of air in a room is $30^{\circ}C$ ... = ____________ (rounded off to one decimal place).
The dry-bulb temperature of air in a room is $30^{\circ}C$. The Antoine equation for wateris given as $$\text{ln} P^{sat} = 12.00 -\frac{4000}{T - 40}$$ where $T$ is the ...
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Feb 15, 2022
Others
gatech-2022
numerical-answers
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GATE CH 2022 | Question: 48
In the block diagram shown in the figure, the transfer function ... remains stable is ___________________ (rounded off to two decimal places).
In the block diagram shown in the figure, the transfer function $G = \dfrac{K}{\left ( \tau s + 1 \right )}$ with $K 0$ and $\tau 0$. The maximum value of $K$ below whi...
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Feb 15, 2022
Others
gatech-2022
numerical-answers
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GATE CH 2022 | Question: 49
Consider the tank level control system shown in the figure, where the cross-section area of the tank is ... is _____________________ (rounded off to the nearest integer).
Consider the tank level control system shown in the figure, where the cross-section area of the tank is $A$. Assume perfect flow controllers $\text{(FC)}$. The level cont...
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Feb 15, 2022
Others
gatech-2022
numerical-answers
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GATE CH 2022 | Question: 50
Consider a single-input-single-output $\text{(SISO)}$ ... is ______________ minutes (rounded off to two decimal places).
Consider a single-input-single-output $\text{(SISO)}$ system with the transfer function $$G_{P}\left ( s \right ) =\frac{2\left ( s + 1 \right )}{\left ( \dfrac{1}{2} s +...
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Feb 15, 2022
Others
gatech-2022
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GATE CH 2022 | Question: 51
Information for a proposed greenfield project is provided in the table. The discounted cash flow for the fourth year is Rs ...
Information for a proposed greenfield project is provided in the table. The discounted cash flow for the fourth year is Rs ___________________ crores (rounded off to one ...
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Feb 15, 2022
Others
gatech-2022
numerical-answers
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GATE CH 2022 | Question: 52
Consider the process in the figure. The liquid phase elementary reactions ... fresh feeds, process exit streams and recycle streams are pure
Consider the process in the figure. The liquid phase elementary reactions $$A + B \rightarrow P \:\:\:\: -r_{B1} = k_{1}\:x_{A}\:x_{B}$$ $$P + B \rightarrow S \:\:\:\: -r...
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Feb 15, 2022
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gatech-2022
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GATE CH 2022 | Question: 53
An elementary irreversible liquid-phase reaction, $2A \rightarrow B$ ... $\%$ (rounded off to one decimal place).
An elementary irreversible liquid-phase reaction, $2A \rightarrow B$, is carried out under isothermal conditions in a $1\:m^{3}$ ideal plug flow reactor $\text{(PFR)}$ as...
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Feb 15, 2022
Others
gatech-2022
numerical-answers
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GATE CH 2022 | Question: 54
An elementary irreversıble gas-phase reaction, $A \rightarrow B + C$, is carried out at fixed temperature and pressure in ... (rounded off to one decimal place).
An elementary irreversıble gas-phase reaction, $A \rightarrow B + C$, is carried out at fixed temperature and pressure in two separate ideal reactors: $(i)$ a $10\:m^{3}...
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Feb 15, 2022
Others
gatech-2022
numerical-answers
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GATE CH 2022 | Question: 55
An elementary irreversible liquid-phase reaction, $2P \overset{k}{\rightarrow}Q$ ... is _____________ $\%$ (round off to the nearest integer)
An elementary irreversible liquid-phase reaction, $2P \overset{k}{\rightarrow}Q$, where the rate constant $k = 2\:L\:\text{mol}^{-1}\:\text{min} ^{-1}$, takes place in an...
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Feb 15, 2022
Others
gatech-2022
numerical-answers
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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
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Feb 24, 2019
Verbal Aptitude
gate2019
verbal-ability
most-appropriate-word
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GATE Chemical 2019 | GA Question: 2
The search engine’s business model ____ around the fulcrum of trust.revolvesplayssinksbursts
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Feb 24, 2019
Verbal Aptitude
gate2019
verbal-ability
most-appropriate-word
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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...
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Feb 24, 2019
Quantitative Aptitude
gate2019
numerical-ability
speed-time-distance
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GATE Chemical 2019 | GA Question: 4
Ten friends planned to share equally the cost of buying a gift for their teacher. When two of them decided not to contribute, each of the other friends had to pay Rs. $15...
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Feb 24, 2019
Quantitative Aptitude
gate2019
numerical-ability
cost-market-price
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GATE Chemical 2019 | GA Question: 5
A court is to a judge as _________ is to a teachera studenta punishmenta syllabusa school
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Feb 24, 2019
Verbal Aptitude
gate2019
verbal-ability
most-appropriate-word
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GATE Chemical 2019 | GA Question: 6
The police arrested four criminals – $P, Q, R$ and $S.$ The criminals knew each other. They made the following statements:$P$ says “Q committed the crime.”$Q$ says ...
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Feb 24, 2019
Analytical Aptitude
gate2019
analytical-aptitude
logical-reasoning
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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 ...
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Feb 24, 2019
Quantitative Aptitude
gate2019
numerical-ability
venn-diagrams
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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 ...
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Feb 24, 2019
Verbal Aptitude
gate2019
verbal-ability
verbal-reasoning
passage-reading
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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...
asked
Feb 24, 2019
Quantitative Aptitude
gate2019
numerical-ability
venn-diagrams
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GATE Chemical 2019 | GA Question: 10
Three of the five students are allocated to a hostel put in special requests to the warden, Given the floor plan of the vacant rooms, select the allocation plan that will...
asked
Feb 24, 2019
Analytical Aptitude
gate2019
analytical-aptitude
direction-sense
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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$$0$...
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Feb 24, 2019
Linear Algebra
gate2019
linear-algebra
matrices
system-of-equations
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GATE Chemical 2019 | Question: 2
The value of the expression $\underset{x\rightarrow \frac{\pi }{2}}{\lim}\: \mid \frac{\tan\:x}{x} \mid $ is $\infty$$0$$1$$-1$
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Feb 24, 2019
Calculus
gate2019
calculus
limits
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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...
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Feb 24, 2019
Others
gate2019
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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...
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Feb 24, 2019
Others
gate2019
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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...
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Feb 24, 2019
Others
gate2019
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