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GATE Chemical 2018 | Question: 46
If $y=e^{-x^{2}}$ then the value of $\underset{x\rightarrow \infty }{\lim}\frac{1}{x}\frac{dy}{dx}$ is __________
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Calculus
gate2018
numerical-answers
calculus
limits
+
–
0
answers
0
votes
GATE CH 2021 | Question: 26
Let $A$ be a square matrix of size $n \times n (n>1)$. The elements of $A=\{a_{ij}\}$ ... $A$ is $0$ $1$ $n!$ $(n!)^2$
Let $A$ be a square matrix of size $n \times n (n>1)$. The elements of $A=\{a_{ij}\}$ are given by $$a_{ij} = \begin{cases} i \times j, & \text{if } i \geq j \\ 0, & \tex...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Linear Algebra
gatech-2021
linear-algebra
matrix-algebra
determinant
+
–
0
answers
0
votes
GATE Chemical 2020 | Question: 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).
soujanyareddy13
1.8k
points
soujanyareddy13
asked
Nov 16, 2020
Linear Algebra
gate2020
numerical-answers
linear-algebra
matrices
eigen-values
+
–
0
answers
0
votes
GATE Chemical 2014 | Question: 37
A homogenous reaction $(R{\rightarrow}P)$ occurs in a batch reactor. The conversion of the reactant $R$ is $67\%$ after $10$ minutes and $80\%$ after $20$ minutes. The ra...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2014
+
–
0
answers
0
votes
GATE Chemical 2018 | Question: 55
A hot liquid is to be cooled in a $1-1$ shell and tube heat exchanger from $80^{\circ}C$ to $50^{\circ}C$. Cooling water enters the tube side at $30^{\circ}C$, and exits ...
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Others
gate2018
numerical-answers
+
–
0
answers
0
votes
GATE Chemical 2018 | Question: 38
At a shear rate of $10\:s^{-1}$, the apparent viscosity of a non-Newtonian liquid was found to be $1\: Pa\:s$. At a shear rate of $100\:s^{-1}$, the apparent viscosity of...
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Others
gate2018
numerical-answers
+
–
0
answers
0
votes
GATE Chemical 2018 | Question: 36
Vapour bubbles are formed in the nucleate boiling regime at a frequency of $10$ bubbles per second per nucleation site. There are $100$ nucleation sites per $m^{2}$ of he...
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Others
gate2018
numerical-answers
+
–
0
answers
0
votes
GATE Chemical 2018 | Question: 25
The inital water level in a tank is $4\:m$. When the value located at the bottom is opened, the rate of change of water level ($L$) with respect to time ($t$) is, $\frac{...
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Others
gate2018
numerical-answers
+
–
0
answers
0
votes
GATE Chemical 2018 | Question: 24
The ammonia ($NH_{3}$) oxidation process occurs over a catalyst as$$4NH_{3}+5O_{2}\rightarrow 6H_{2}O+4NO$$Air is supplied such that oxygen ($O_{2}$) is $20\%$ in excess ...
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Others
gate2018
numerical-answers
+
–
0
answers
0
votes
GATE CH 2021 | GA Question: 1
The ratio of boys to girls in a class is $7$ to $3$. Among the options below, an acceptable value for the total number of students in the class is: $21$ $37$ $50$ $73$
The ratio of boys to girls in a class is $7$ to $3$.Among the options below, an acceptable value for the total number of students in the class is:$21$$37$$50$$73$
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Quantitative Aptitude
gatech-2021
numerical-ability
ratio-proportion
+
–
0
answers
0
votes
GATE CH 2021 | Question: 21
The van der Waals equation of the state is given by $P_r = \dfrac{8T_r}{3v_r-1} - \dfrac{3}{v_r^2}$ ... equation of state is __________ (round off to $2$ decimal places).
The van der Waals equation of the state is given by$$P_r = \dfrac{8T_r}{3v_r-1} – \dfrac{3}{v_r^2}$$where $P_r$, $T_r$ and $v_r$ represent reduced pressure, reduced tem...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatech-2021
numerical-answers
+
–
0
answers
0
votes
GATE Chemical 2020 | Question: 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...
soujanyareddy13
1.8k
points
soujanyareddy13
asked
Nov 16, 2020
Differential equations
gate2020
differential-equations
laplace-transforms
+
–
0
answers
0
votes
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 ...
Arjun
4.7k
points
Arjun
asked
Feb 24, 2019
Analytical Aptitude
gate2019
analytical-aptitude
logical-reasoning
+
–
0
answers
0
votes
GATE Chemical 2019 | Question: 20
In petroleum refining operations, the process used for converting paraffins and naphthenes to aromatics isalkylationcatalytic reforminghydrocrackingisomerization
Arjun
4.7k
points
Arjun
asked
Feb 24, 2019
Others
gate2019
+
–
0
answers
0
votes
GATE Chemical 2019 | Question: 42
A solid sphere of radius $1$ $cm$ and initial temperature of $25^{\circ}\:C$ is exposed to a gas stream at $100^{\circ}\:C$. For the solid sphere, the density is $10^{4}$...
Arjun
4.7k
points
Arjun
asked
Feb 24, 2019
Others
gate2019
numerical-answers
+
–
0
answers
0
votes
GATE Chemical 2012 | Question: 29
If $i = \sqrt{-1}$, the value of the integral $$\oint_{c}\dfrac{7z + i}{z(z^2 + 1)}dz \quad\quad\quad\quad|z|<2$$,u...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Complex variables
gate2012
complex-variables
cauchy-residue-theorems
+
–
0
answers
0
votes
GATE Chemical 2018 | Question: 34
An insulted storage tank contains $1000\:kg$ liquid of specific heat $10\:kJ\:kg^{-1}\:K^{-1}$. The liquid is heated by saturated steam, condensing in a helical coil at a...
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Others
gate2018
numerical-answers
+
–
0
answers
0
votes
GATE Chemical 2024 | Question: 30
A gas stream containing $95 \mathrm{~mol} \% \mathrm{CO}_{2}$ and $5 \mathrm{~mol} \%$ ethanol is to be scrubbed with pure water in a counter-current, i...
admin
2.8k
points
admin
asked
Feb 16
Others
gatech-2024
+
–
0
answers
0
votes
GATE Chemical 2019 | Question: 29
A disk turbine is used to stir a liquid in a baffled tank. To design the agitator, experiments are performed in a lab-scale model with a turbine diameter of $0.05 \:m$ an...
Arjun
4.7k
points
Arjun
asked
Feb 24, 2019
Others
gate2019
+
–
0
answers
0
votes
GATE Chemical 2016 | GA Question: 7
A smart city integrates all modes of transport, uses clean energy and promotes sustainable use of resources. It also uses technology to ensure safety and security of the ...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 26, 2018
Verbal Aptitude
gate2016
verbal-ability
verbal-reasoning
passage-reading
+
–
0
answers
0
votes
GATE Chemical 2013 | Question: 65
All professors are researchersSome scientists are professorsWhich of the given conclusions is logically valid and is inferred from the above arguments:All scientists are ...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Analytical Aptitude
gate2013
analytical-aptitude
logical-reasoning
statements-follow
+
–
0
answers
0
votes
GATE Chemical 2012 | Question: 48
A counter-current extraction column is designed to remove 99% of solute C from a solution of solvent A and solute C using pure solvent B. The initial concentration of sol...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2012
+
–
0
answers
0
votes
GATE Chemical 2018 | Question: 43
A fiberboard sheet $\left ( 1.5\:m\times 2.0\:m\times 15\:mm \right )$ is being dried by suspending it horizontally in a current of hot, dry air. The edges are insulted s...
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Others
gate2018
numerical-answers
+
–
0
answers
0
votes
GATE Chemical 2018 | Question: 18
A first-order process having a transfer function, $G_{p}=\frac{2}{7s+1}$ is controlled by a proportional controller with gain of $3.2$. The process time constant is in mi...
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Others
gate2018
+
–
0
answers
0
votes
GATE CH 2021 | GA Question: 2
A polygon is convex if, for every pair of points, $P$ and $Q$ ... following is $\underline{ \text{NOT}}$ a convex polygon?
A polygon is convex if, for every pair of points, $P$ and $Q$ belonging to the polygon, the line segment $PQ$ lies completely inside or on the polygon. Which one of the f...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Quantitative Aptitude
gatech-2021
numerical-ability
geometry
+
–
0
answers
0
votes
GATE CH 2021 | GA Question: 3
Consider the following sentences: Everybody in the class is prepared for the exam. Babu invited Danish to his ... grammatically incorrect and $\text{(ii)}$ is ambiguous
Consider the following sentences:Everybody in the class is prepared for the exam.Babu invited Danish to his home because he enjoys playing chess.Which of the following is...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Verbal Aptitude
gatech-2021
verbal-ability
english-grammar
+
–
0
answers
0
votes
GATE CH 2021 | Question: 13
Turnover ratio is defined as $\dfrac{\text{Fixed capital investment}}{\text{Gross annual sales}} \\$ ...
Turnover ratio is defined as$\dfrac{\text{Fixed capital investment}}{\text{Gross annual sales}} \\$$\dfrac{\text{Gross annual sales}}{\text{Fixed capital investment}} \\$...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatech-2021
+
–
0
answers
0
votes
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. $15...
Arjun
4.7k
points
Arjun
asked
Feb 24, 2019
Quantitative Aptitude
gate2019
numerical-ability
cost-market-price
+
–
0
answers
0
votes
GATE Chemical 2019 | Question: 8
Prandtl number signifies the ratio of$\frac{Momentum \: Diffusivity}{Thermal \: Diffusivity}$$\frac{Mass \: Diffusivity}{Thermal \: Diffusivity}$$\frac{Thermal \: Diffusi...
Arjun
4.7k
points
Arjun
asked
Feb 24, 2019
Others
gate2019
+
–
0
answers
0
votes
GATE Chemical 2019 | Question: 46
A first-order irreversible liquid phase reaction $A\rightarrow B\left ( k=0.1\:min^{-1} \right )$ is carried out under isothermal, steady state conditions in the followin...
Arjun
4.7k
points
Arjun
asked
Feb 24, 2019
Others
gate2019
numerical-answers
+
–
0
answers
0
votes
GATE Chemical 2013 | Question: 62
In a factory, two machines $M1$ and $M2$ manufacture $60\%$ and $40\%$ of the autocomponents respectively. Out of the total production, $2\%$ of $M1$ and $3\%$ of $M2$ ar...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Quantitative Aptitude
gate2013
numerical-ability
probability
conditional-probability
+
–
0
answers
0
votes
GATE Chemical 2012 | Question: 62
A political party orders an arch for the entrance to the ground in which the annual convention is being held. The profile of the arch follows the equation $y = 2x – 0.1...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Quantitative Aptitude
gate2012
numerical-ability
maxima-minima
+
–
0
answers
0
votes
GATE Chemical 2012 | Question: 58
The cost function for a product in a firm is given by $5q^{2}$, where q is the amount of production. The firm can sell the product at a market price of $₹50$ per unit. ...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Quantitative Aptitude
gate2012
numerical-ability
cost-market-price
+
–
0
answers
0
votes
GATE Chemical 2018 | Question: 42
A binary distillation column is designed by McCabe-Thiele method to get a distillate mole fraction of $0.9$. The enriching section operating line has an intercept with $y...
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Others
gate2018
numerical-answers
+
–
0
answers
0
votes
GATE Chemical 2024 | Question: 21
Consider the reaction $\mathrm{N}_{2}(\mathrm{~g})+3 \mathrm{H}_{2}(g) \rightleftharpoons 2 \mathrm{NH}_{3}(g)$ in a continuous flow reactor under steady-state conditions...
admin
2.8k
points
admin
asked
Feb 16
Others
gatech-2024
numerical-answers
+
–
0
answers
0
votes
GATE Chemical 2020 | Question: 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 $0.40$ and $0.35$, respectively. If the temperature...
soujanyareddy13
1.8k
points
soujanyareddy13
asked
Nov 16, 2020
Others
gate2020
numerical-answers
+
–
0
answers
0
votes
GATE Chemical 2020 | Question: 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 $4$ green balls and $2$ blue balls ...
soujanyareddy13
1.8k
points
soujanyareddy13
asked
Nov 16, 2020
Probability and Statistics
gate2020
probability-and-statistics
probability
conditional-probability
+
–
0
answers
0
votes
GATE Chemical 2017 | Question: 6
The volumetric properties of two gases $M$ and $N$ are described by the generalized compressibility chart which expresses the compressibility factor $(Z)$ as a function o...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 26, 2018
Others
gate2017
+
–
0
answers
0
votes
GATE Chemical 2016 | Question: 9
A composite wall is made of four different materials of construction in the fashion shown below. The resistance (in $K/W$) of each sections of the wall is indicated in th...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 26, 2018
Others
gate2016
numerical-answers
+
–
0
answers
0
votes
GATE Chemical 2014 | Question: 38
A vapour phase catalytic reaction $(Q+R{\rightarrow}S)$ follows Rideal mechanism ($R$ and $S$ are not absorbed). Initially, the mixture contains only the reactants in equ...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2014
+
–
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