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Questions by Milicevic3306
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GATE Chemical 2015 | Question: 31
The transfer function for the disturbance response in an open-loop process is given by $G_{d}^{open}(s)$. The corresponding transfer function for the disturbance response...
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Mar 26, 2018
Others
gate2015
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GATE Chemical 2015 | Question: 32
Identify the $WRONG$ statement amongst the following:Steam distillation is used for mixtures that are immiscible with water.Vacuum distillation is used for mixtures that ...
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Mar 26, 2018
Others
gate2015
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GATE Chemical 2015 | Question: 33
Match the polymer mentioned on the left with the catalyst used for its manufacture given on the right.$\begin{array}{cc}\&\text{I. Low density Polyethylene} & \text{P. Zi...
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Mar 26, 2018
Others
gate2015
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GATE Chemical 2015 | Question: 34
Match the technologies in Group-$1$ with the entries in Group-$2$:$\begin{array}{cc}\&\text{$Group-1$} & \text{$Group-2$} \\ &\text{P. Urea manufacture} & \text{ I. Micro...
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Mar 26, 2018
Others
gate2015
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GATE Chemical 2015 | Question: 35
Match the chemicals written on the left with the raw materials required to produce them mentioned on the right.$\begin{array}{cc}\&\text{I. Single Superphosephate $(SSP)$...
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Mar 26, 2018
Others
gate2015
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GATE Chemical 2015 | Question: 36
The diameters of sand particles in a sample range from $50$ to $150$ microns. The number of particles of diameter x in the sample is proportional to $\frac{1}{50+x}$. The...
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Mar 26, 2018
Others
gate2015
numerical-answers
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GATE Chemical 2015 | Question: 37
A vector $u=-2y\hat{i}+2x\hat{j}$, where $\hat{i}$ and $\hat{j}$ are unit vectors in $x$ and $y$ directions, respectively. Evaluate the line integral$$I=\oint _{C}u.dr$$w...
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Mar 26, 2018
Calculus
gate2015
numerical-answers
calculus
line-integral
vector-identities
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GATE Chemical 2015 | Question: 38
The solution of the non-linear equation$$x^{3}-x=0$$is to be obtained using Newton-Raphson method. If the initial guess is $x=0.5$, the method converges to which one of t...
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Mar 26, 2018
Numerical Methods
gate2015
numerical-methods
newton-raphson-method
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GATE Chemical 2015 | Question: 39
For complex variable $z$, the value of the contour integral $\frac{1}{2\pi i} \underset{C}{\int }\frac{e^{-2z}}{z(z-3)}dz$ along the clockwise contour $C:\left | z \right...
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Mar 26, 2018
Complex variables
gate2015
numerical-answers
complex-variables
contour-integral
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GATE Chemical 2015 | Question: 40
The schematic diagram of a steady state process is shown below. The fresh feed $(F)$ to the reactor consists ot $96$ mol$\%$ reactant $A$ and $4$ mol$\%$ inert $I$. The s...
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Mar 26, 2018
Others
gate2015
numerical-answers
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GATE Chemical 2015 | Question: 41
An ideal gas is initially at a pressure of $0.1\:MPa$ and a total volume of $2\:m^{3}$. It is first compressed to $1\:MPa$ by a reversible adiabatic process and then cool...
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Mar 26, 2018
Others
gate2015
numerical-answers
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GATE Chemical 2015 | Question: 42
Given that molar residual Gibbs free energy, $g^{R}$, and molar residual volume, $v^{R}$, are related as $\frac{g^{R}}{RT}=\int _{0}^{P}\left ( \frac{v^{R}}{RT} \right )d...
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Mar 26, 2018
Others
gate2015
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GATE Chemical 2015 | Question: 43
A binary mixture of components $(1)$ and $(2)$ forms an azeotrope at $130^{\circ}C$ and $X_{1}=0.3$. The liquid phase non-ideality is described by In $\gamma _{1}=Ax{_{2}...
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Mar 26, 2018
Others
gate2015
numerical-answers
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GATE Chemical 2015 | Question: 44
For Fanning friction factor $f$ (for flow in pipes) and drag coefficient $C_{D}$ (for flow over immersed bodies), which of the following statements are true?$P.$ $f$ acco...
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Mar 26, 2018
Others
gate2015
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GATE Chemical 2015 | Question: 45
A centrifugal pump delivers water at the rate of $0.22 m^{3}/s$ from a reservoir at ground level to another reservoir at a height $H$,through a vertical pipe ot $0.2\:m$ ...
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Mar 26, 2018
Others
gate2015
numerical-answers
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GATE Chemical 2015 | Question: 46
A typical batch filtration cycle consists of filtration followed by washing. One such filtration unit operating at constant pressure difference first filters a slurry dur...
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Mar 26, 2018
Others
gate2015
numerical-answers
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GATE Chemical 2015 | Question: 47
A spherical solid particle of $1\: mm$ diameter is falling with a downward velocity of $1.7\:mm/s$ through a liquid (viscosity $0.04\: Pa.s$) at a low Reynolds number Sto...
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Mar 26, 2018
Others
gate2015
numerical-answers
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GATE Chemical 2015 | Question: 48
In the figure below, the temperature profiles of cold and hot fluids in counter double pipe heat exchangers (in different modes of operation) are shown on the left. For e...
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Mar 26, 2018
Others
gate2015
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GATE Chemical 2015 | Question: 49
A heated solid copper sphere (of surface area $A$ and volume $V$) is immersed in a large body of cold fluid. Assume the resistance to heat transfer inside the sphere to b...
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Mar 26, 2018
Others
gate2015
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GATE Chemical 2015 | Question: 50
Air is flowing at a velocity of $3\:m/s$ perpendicular to a long pipe as shown in the figure below. The outer diameter of the pipe is $d=6\:cm$ and temperature at the out...
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Mar 26, 2018
Others
gate2015
numerical-answers
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GATE Chemical 2015 | Question: 51
Consider a solid block of unit thickness for which the thermal conductivity decreases with an increase in temperature. The opposite faces of the block are maintained at c...
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Mar 26, 2018
Others
gate2015
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GATE Chemical 2015 | Question: 52
A multi-stage, counter-current liquid-liquid extractor is used to separate solute $C$ from a binary mixture $(F)$ of $A$ and $C$ using solvent $B$. Pure solvent $B$ is re...
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Mar 26, 2018
Others
gate2015
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GATE Chemical 2015 | Question: 53
A binary feed consisting of $25$ mol$\%$ liquid and $75$ mol$\%$ vapour is separated in a staged distillation column. The mole fraction of the more volatile component in ...
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Mar 26, 2018
Others
gate2015
numerical-answers
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GATE Chemical 2015 | Question: 54
Consider a steady state mass transfer process between well-mixed liquid and vapour phases of a binary mixture comprising of components $A$ and $B$. The mole fractions of ...
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Mar 26, 2018
Others
gate2015
numerical-answers
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GATE Chemical 2015 | Question: 55
Adsorption on activated carbon is to be used for reducing phenol concentration in wastewater from $0.04$ mol/$1$ to $0.008$ mol/$1$. The adsorption isotherm at the operat...
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Mar 26, 2018
Others
gate2015
numerical-answers
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GATE Chemical 2015 | Question: 56
Consider two steady isothermal flow configurations shown schematically as Case $I$ and Case $II$ below. In Case $I$, a $CSTR$ of volume $V_{1}$ is followed by a $PFR$ of ...
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Mar 26, 2018
Others
gate2015
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GATE Chemical 2015 | Question: 57
A catalyst slab of half-thickness $L$ (the width and length of the slab $>>\:L$) is used to conduct thefirst order reaction $A{\rightarrow} B$. At $450\: K$, the Thiele m...
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Mar 26, 2018
Others
gate2015
numerical-answers
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GATE Chemical 2015 | Question: 58
The impulse response to a tracer pulse experiment or a flow reactor is given below :In the above figure, $C$ is the exit tracer concentration. The corresponding $E$ or $E...
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Mar 26, 2018
Others
gate2015
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GATE Chemical 2015 | Question: 59
An isothermal steady state mixed flow reactor $(CSTR)$ of $1\:m^{3}$ volume is used to carry out the first order liquid-phase reaction $A{\rightarrow}$ products. Fresh fe...
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Mar 26, 2018
Others
gate2015
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GATE Chemical 2015 | Question: 60
Which one of the following transfer functions, upon a unit step change in disturbance at $t=0$, will show a stable time domain response with a negative initial slope (i.e...
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Mar 26, 2018
Others
gate2015
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GATE Chemical 2015 | Question: 61
The block diagram for a process with feedback control for output deviation $h$ is shown in the figure below. All transfer functions are given with pre-factor of $s$ in mi...
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Mar 26, 2018
Others
gate2015
numerical-answers
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GATE Chemical 2015 | Question: 62
Consider a control system with the open loop transfer function given by :$G_{OL}\left ( s \right )=\frac{K_{c}e^{-0.3z}}{1.5s+1}$In the above function, pre-factor of $s$ ...
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Mar 26, 2018
Others
gate2015
numerical-answers
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GATE Chemical 2015 | Question: 63
The cost of two independent process variables $f_{1}$ and $f_{2}$ affects the total cost $C_{T}$ (in lakhs of rupees) of the process as per the following function :$$C_{T...
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Mar 26, 2018
Others
gate2015
numerical-answers
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GATE Chemical 2015 | Question: 64
A proposed chemical plant is estimated to have a fixed capital $(FC)$ of $Rs$. $24$ crores. Assuming other costs to be small, the total investment may be taken to be same...
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Mar 26, 2018
Others
gate2015
numerical-answers
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GATE Chemical 2015 | Question: 65
Select the $\text{WRONG}$ statement regarding water gas shift converters from the list below.Inter-stage cooling is provided between the two stages of shift converters Us...
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Mar 26, 2018
Others
gate2015
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GATE Chemical 2014 | GA Question: 10
The monthly rainfall chart based on $50$ years of rainfall in Agra is shown in the following figure. Which of the following are true? ($k$ percentile is the value such th...
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Mar 25, 2018
Quantitative Aptitude
gate2014
numerical-ability
data-interpretation
line-graph
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GATE Chemical 2014 | GA Question: 9
One percent of the people of country $X$ are taller than $6$ ft. Two percent of the people of country $Y$ are taller than $6$ ft. There are thrice as many people in count...
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Mar 25, 2018
Quantitative Aptitude
gate2014
numerical-ability
percentages
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GATE Chemical 2014 | GA Question: 8
The smallest angle of a triangle is equal to two thirds of the smallest angle of a quadrilateral. The ratio between the angles of the quadrilateral is $3:4:5:6.$ The larg...
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Mar 25, 2018
Quantitative Aptitude
gate2014
numerical-answers
numerical-ability
geometry
triangles
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GATE Chemical 2014 | GA Question: 7
Anuj, Bhola, Chandan, Dilip, Eswar and Faisal live on different floors in a six-storeyed building (the ground floor is numbered $1,$ the floor above it $2,$ and so on). A...
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Mar 25, 2018
Analytical Aptitude
gate2014
analytical-aptitude
logical-reasoning
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GATE Chemical 2014 | GA Question: 6
Find the odd one in the following group: $\text{ALRVX, EPVZB, ITZDF, OYEIK}$$\text{ALRVX}$$\text{EPVZB}$$\text{ITZDF}$$\text{OYEIK}$
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Mar 25, 2018
Analytical Aptitude
gate2014
analytical-aptitude
logical-reasoning
sequence-series
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