Recent questions tagged gate2020 - GATE Chemical Q&A

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GATE2020: GA: 1
Rajiv Gandhi Khel Ratna Award was conferred ______ Mary Kom, a six-time world champion in boxing, recently in a ceremony _____ the ... New Delhi. with, at on, in on, at to, at

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

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GATE2020: GA: 2
Despite a string of poor performances, the chances of K.L. Rahul’s selection in the team are ________ slim bright obvious uncertain

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

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GATE2020: GA: 3
Select the word that fits the analogy: $\text{Cover : Uncover :: Associate :}$ _______ Unassociate Inassociate Misassociate Dissociate

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

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GATE2020: GA: 4
Hit by floods, the kharif (summer sown) crops in various parts of the country have been affected. Officials believe that ... production target will be met due to a good rabi produce.

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

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GATE2020: GA: 5
The difference between the sum of the first $2n$ natural numbers and the sum of the first $n$ odd natural numbers is ______ $n^2-n$ $n^2+n$ $2n^2-n$ $2n^2+n$

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

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GATE2020: GA: 6
Repo rate is the rate at which Reserve Bank of India $\text{(RBI)}$ lends commercial banks, and reverse ... will decrease cost of borrowing and increase lending by commercial banks.

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

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GATE2020: GA: 7
$P,Q,R,S,T,U,V,$ and $W$ are seated around a circular table. $S$ is seated opposite to $W$ $U$ is seated at the ... is not seated opposite to $Q$ $R$ is the left neighbour of $S$

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

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GATE2020: GA: 8
The distance between Delhi and Agra is $233$ km. A car $P$ started travelling from Delhi to Agra and another car $Q$ started from Agra to ... each other? $66.6$ $75.2$ $88.2$ $116.5$

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

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GATE2020: GA: 9
For a matrix $M=[m_{ij}]; \: i,j=1,2,3,4$, the diagonal elements are all zero and $m_{ij}=-m_{ji}$. The minimum ... required to fully specify the matrix is ________ $0$ $6$ $12$ $16$

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

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GATE2020: GA: 10
The profit shares of two companies $P$ and $Q$ are shown in the figure. If the two companies have invested a fixed and equal amount every year, ... $16 : 17$ $17 : 15$ $17 : 16$

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

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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: 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: 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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