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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).
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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).
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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).
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GATE2020: 24
The decomposition of acetaldehyde $(X)$ to methane and carbon monoxide follows fourstep free radical mechanism. The overall rate of ... ) is _______ (round off to nearest integer).
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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).
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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 ... $\dfrac{240}{1001} \\$ $\dfrac{420}{1001}$
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GATE2020: 27
The maximum value of the function $f(x)=\dfrac{5}{3} x^3 +10x^215x+16$ in the interval $(0.5,3.5)$ is $0$ $8$ $16$ $48$
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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 $0.5$ $1.0$ $1.5$ $2.0$
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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 $0.0161$ $0.0322$ $0.0625$ $0.0645$
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GATE2020: 30
Consider the equilibrium data for methanolwater system at $1$ bar given in the future below. A distillation column operating at $1.0$ bar is ... ratio is $0.33$ $0.50$ $0.54$ $1.17$
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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 $0$ $0.17$ $0.38$ $1$
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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 ... $100.45$ $304.45$ $3.445$ $10$
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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 $0.5$ $2$ $4$ $8$
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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 $2$
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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 ... $F_{21} = \dfrac{\sqrt{2}1}{8}$
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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 $1$ $5$ $8$ $12$
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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 ... $34.2 \%$ $30\%$ $26.3 \%$ $23.8 \%$
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GATE2020: 38
A Utube manometer contains two manometric fluids of densities $1000 \: kg \: m^{3}$ and $600 \: kg \: m^{3}$. When both the ... $20 \: cm$? $100.175$ $103.924$ $547.231$ $833.206$
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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 $100$ $300$ $2494$ $30000$
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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 nonisothermal ... $J$) is $250$ $500$ $1000$ $1500$
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GATE2020: 41
A fluid is heated from $40^{\circ}C$ to $60^{\circ} C$ ... $2$ decimal places).
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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).
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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)
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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).
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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).
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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).
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Nov 16, 2020
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GATE2020: 47
Two ideal crosscurrent 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)
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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)
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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)
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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)
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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).
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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)
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Nov 16, 2020
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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)
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GATE2020: 54
Given $\dfrac{dy}{dx}=y20$, and $y \mid_{x=0}=40$, the value of $y$ at $x=2$ is _________ (round off to nearest integer)
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GATE2020: 55
Consider the following dataset. ... Simpson's $1/3$rd rule is ______ (round off to 1 decimal place)
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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
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GATE2020: 2
Consider the hyperbolic functions in $\textbf{Group1}$ and their definitions in $\textbf{Group2}$ ... $PI, QII, RIV, SIII$
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GATE2020: 3
Consider the following continuously differentiable function $\textbf{v}(x,y,z)=3x^2y \textbf{ i} + 8y^2z \textbf{ j} + 5xyz \textbf{ k}$ ... $y(11x+16z)$
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GATE2020: 4
Consider the following unit step function. The Laplace transform of this function is $\dfrac{e^{3s}}{s} \\ $ $\dfrac{e^{3s}}{s^2} \\$ $\dfrac{e^{3s}}{3s} \\$ $\dfrac{e^{6s}}{s}$
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GATE2020: 5
In a constantpressure cake filtration with an incompressible cake layer, volume of the filtrate $(V)$ is measured as a function of time $t$. ... $1 \times 10^{11}$ $1 \times 10^{12}$
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