Recent questions in Others - GATE Chemical Q&A

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GATE2020: 21
An irreversible gas phase reaction $2 \textbf{P} \rightarrow 4 \textbf{Q} + \textbf{R}$ is conducted in an isothermal and ... in volume is ________ (round off to $2$ decimal places).

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 22
Consider two Carnot engines $C_1$ and $C_2$ as shown in the figure. The efficiencies of the engines $C_1$ and $C_2$ are ... of Reservoir $R_3$ is ________ (round off to nearest integer).

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 23
Consider the following closed loop system with $G_p$ and $G_c$ as the transfer functions of the process and the controller, ... state is _______ (round off to $1$ decimal place).

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 24
The decomposition of acetaldehyde $(X)$ to methane and carbon monoxide follows four-step free radical mechanism. The overall rate of ... ) is _______ (round off to nearest integer).

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 25
Sum of the eigenvalues of the matrix $\begin{bmatrix} 2 & 4 & 6 \\ 3 & 5 & 9 \\ 12 & 1 & 7 \end{bmatrix}$ is ______ (round off to nearest integer).

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 26
In a box, there are $5$ green balls and $10$ blue balls. A person picks $6$ balls randomly. The probability that the person has picked ... $\dfrac{240}{1001} \\$ $\dfrac{420}{1001}$

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 27
The maximum value of the function $f(x)=-\dfrac{5}{3} x^3 +10x^2-15x+16$ in the interval $(0.5,3.5)$ is $0$ $8$ $16$ $48$

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 28
$SO_2$ from air is absorbed by pure water in a counter current packed column operating at constant pressure. The compositions and the flow rates of ... column is $0.5$ $1.0$ $1.5$ $2.0$

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 29
Two film theory applies for absorption of a solute from a gas mixture into a liquid solvent. The interfacial mass transfer coefficient (in ... is $0.0161$ $0.0322$ $0.0625$ $0.0645$

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 30
Consider the equilibrium data for methanol-water system at $1$ bar given in the future below. A distillation column operating at $1.0$ bar is ... ratio is $0.33$ $0.50$ $0.54$ $1.17$

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 31
Consider the gas phase reaction $N_2O_4 \rightleftarrows 2NO_2$ occuring in an isothermal and isobaric reactor maintained at $298 K$ and $1.0$ ... at equilibrium is $0$ $0.17$ $0.38$ $1$

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 32
A tank initially contains a gas mixture with $21\:mol\:\% $ oxygen and $79\:mol\:\%$ nitrogen. Pure nitrogen enters the tank, and a gas ... $100.45$ $304.45$ $3.445$ $10$

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 33
Consider steady, laminar, fully developed flow of an incompressible Newtonian fluid through two horizontal straight pipes, $I$ and $II$, of circular ... pipe $II$ is $0.5$ $2$ $4$ $8$

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 34
Equilibrium data for a binary mixture of $E$ and $F$ at two different pressure is shown in the figure. It is desired to ... high purity $E$ is recovered from the bottom of column $2$

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 35
A hollow cylinder of equal length and inner diameter (i.e., $L=D$) is sealed at both ends with flat plate, as shown in the figure. Its inner ... $F_{21} = \dfrac{\sqrt{2}-1}{8}$

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 36
A student performs a flow experiment with Bingham Plastic under fully developed laminar flow conditions in a tube of radius $0.01 \: m$ with a ... Plastic (in $Pa$) is $1$ $5$ $8$ $12$

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 37
A feed stream containing pure species $L$ flows into a reactor, where $L$ is partly converted to $M$ as shown in the figure. The mass flow rate of ... $34.2 \%$ $30\%$ $26.3 \%$ $23.8 \%$

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 38
A U-tube manometer contains two manometric fluids of densities $1000 \: kg \: m^{-3}$ and $600 \: kg \: m^{-3}$. When both the ... $20 \: cm$? $100.175$ $103.924$ $547.231$ $833.206$

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 39
A pure gas obeys the equation of state given by $\dfrac{PV}{RT} = 1 + \dfrac{BP}{RT}$ where $P$ is the pressure, $T$ is the ... $300 \: K$ is $100$ $300$ $2494$ $30000$

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 40
Consider one mole of an ideal gas in a closed system. It undergoes a change in state from $L$ to $N$ through two different non-isothermal ... $J$) is $250$ $500$ $1000$ $1500$

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 41
A fluid is heated from $40^{\circ}C$ to $60^{\circ} C$ ... $2$ decimal places).

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 42
Consider an infinitely long rectangular fin exposed to a surrounding fluid at a constant temperature $T_a=27^{\circ}C$. The steady ... $1$ decimal place).

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 43
Liquid water is pumped at a volumetric flow rate of $0.02 \: m^3 s^{-1}$ from Tank $I$ to Tank $II$, as shown in ... the pump to lift the water is ________ (round off to $1$ decimal place)

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 44
An elementary liquid phase reversible reaction $P \leftrightarrows Q$ is carried out in an ideal continuous stirred tank reactor (CSTR) ... CSTR is ______ (round off to $1$ decimal place).

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 45
An aqueous suspension at $60^{\circ}C$ is fed to the first effect of a double effect forward feed evaporator with a mass flow ... $kg$) is ____________ (round off to $2$ decimal places).

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 46
A vertically held packed bed has a height of $1 \: m$, and void fraction of $0.1$, when there is no flow through ... the height of the bed is ________ (round off to nearest integer).

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 47
Two ideal cross-current stages operate to extract $P$ from a feed containing $P$ and $Q$, as shown below. The mass ... raffinate from Stage $2$ is ________ (round off to nearest integer)

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 48
Consider a vertically falling film of water over an impermeable wall. The film is in contact with a static pool of an non- ... falling film is __________ (round off to $3$ decimal places)

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 49
An exothermic, aqueous phase, irreversible, first order reaction, $Y \rightarrow Z$ is carried out in an ideal continuous stirred tank ... $2$ decimal places)

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 50
The liquid phase irreversible reactions, $P \xrightarrow[]{k_1} Q$ and $P \xrightarrow[]{k_2} R$, are carried out in an ideal ... minute$^{-1}$) is ______ (correct up to one decimal place)

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 51
A catalytic gas phase reaction $P \rightarrow Q$ is conducted in an isothermal packed bed reactor operated at steady state. The ... ) is _______ (correct up to one decimal place).

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 52
Flow of water thorough an equal percentage valve is $900 \text{ litre } h^{-1}$ at $30 \%$ ... valve at $45\%$ opening is ________ (round off to nearest integer)

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 53
Consider the following closed loop system. $G_c, G_f$ , and $G_p$ are the transfer functions of the controller, the final ... of $K_c$ is __________ (correct up to one decimal place)

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 54
Given $\dfrac{dy}{dx}=y-20$, and $y \mid_{x=0}=40$, the value of $y$ at $x=2$ is _________ (round off to nearest integer)

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 55
Consider the following dataset. ... Simpson's $1/3$rd rule is ______ (round off to 1 decimal place)

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 1
Which one of the following methods requires specifying an initial interval containing the root (i.e., bracketing) ... method regula falsi method secant method fixed point iteration method

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 2
Consider the hyperbolic functions in $\textbf{Group-1}$ and their definitions in $\textbf{Group-2}$ ... $P-I, Q-II, R-IV, S-III$

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 3
Consider the following continuously differentiable function $\textbf{v}(x,y,z)=3x^2y \textbf{ i} + 8y^2z \textbf{ j} + 5xyz \textbf{ k}$ ... $y(11x+16z)$

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 4
Consider the following unit step function. The Laplace transform of this function is $\dfrac{e^{-3s}}{s} \\ $ $\dfrac{e^{-3s}}{s^2} \\$ $\dfrac{e^{-3s}}{3s} \\$ $\dfrac{e^{-6s}}{s}$

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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GATE2020: 5
In a constant-pressure cake filtration with an incompressible cake layer, volume of the filtrate $(V)$ is measured as a function of time $t$. ... $1 \times 10^{11}$ $1 \times 10^{12}$

asked Nov 16, 2020 in Others by soujanyareddy13 (1.6k points)

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