GO Chemical
Login
Register
Dark Mode
Brightness
Profile
Edit Profile
Messages
My favorites
My Updates
Logout
Filter
Recent
Hot!
Most votes
Most answers
Most views
Previous GATE
Featured
Most viewed questions in Others
0
answers
0
votes
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 $0.2\:m$ ...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 26, 2018
Others
gate2015
numerical-answers
+
–
0
answers
0
votes
GATE Chemical 2014 | Question: 51
Consider a binary liquid mixture at equilibrium with its vapour at $25^{\circ}C$.Antoine equation for this system is given as $log_{10}\:p_{t}^{sat}=A-\frac{B}{t+C}$ wher...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2014
numerical-answers
+
–
0
answers
0
votes
GATE Chemical 2014 | Question: 47
The bottom face of a horizontal slab of thickness $6 \:mm$ is maintained at $300^{\circ}C$. The top face is exposed to a flowing gas at $30^{\circ}C$. The thermal conduct...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2014
numerical-answers
+
–
0
answers
0
votes
GATE Chemical 2013 | Question: 47
A plant manufactures compressors at the rate of N units/day. The daily fixed charges are Rs. 20000 and the variable cost per compressor is Rs. 500 + 0.2 N$^{1.3}$. The se...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2013
numerical-answers
+
–
0
answers
0
votes
GATE Chemical 2013 | Question: 20
A wet is dried over a long period of time by unsaturated air of nonzero constant relative humidity. The moisture content eventually attained by the solid is termed as the...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2013
+
–
0
answers
0
votes
GATE Chemical 2013 | Question: 17
In a pool boiling experiment, the following phenomena were observed.P.Natural convectionQ.Film boilingR.Transition boilingS.Nucleate boilingWhat was the CORRECT sequence ...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2013
+
–
0
answers
0
votes
GATE Chemical 2012 | Question: 15
A solid sphere with an initial temperature $T{_1}$ is immersed in a large thermal reservoir of temperature $T{_0}$. The sphere reaches a steady temperature after a certai...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2012
+
–
0
answers
0
votes
GATE CH 2021 | Question: 25
A company invests in a recovery unit to separate valuable metals from effluent streams. The total initial capital ... lakhs of rupees (correct to $1$ decimal place)
A company invests in a recovery unit to separate valuable metals from effluent streams. The total initial capital investment of this unit is Rs. $10$ lakhs. The recovered...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatech-2021
numerical-answers
+
–
0
answers
0
votes
GATE CH 2021 | Question: 44
A double-effect evaporator is used to concentrate a solution. Steam is sent to the first effect at ... is _________$^\circ C$ (round off to nearest integer)
A double-effect evaporator is used to concentrate a solution. Steam is sent to the first effect at $110\:^{\circ} C$ and the boiling point of the solution in the second e...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatech-2021
numerical-answers
+
–
0
answers
0
votes
GATE CH 2021 | Question: 48
As shown in the figure below, air flows in parallel to a freshly painted solid surface of width $10 \: m$, along ... $2$ decimal places).
As shown in the figure below, air flows in parallel to a freshly painted solid surface of width $10 \: m$, along the $z$-direction.The equilibrium vapor concentration of ...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatech-2021
numerical-answers
+
–
0
answers
0
votes
GATE CH 2021 | Question: 53
A person has a transfer function $G(s)= \dfrac{Y(s)}{X(s)} = \dfrac{20}{90000s^2+240s+1}$. Initially ... new steady state is __________ (round off to $1$ decimal place).
A person has a transfer function $G(s)= \dfrac{Y(s)}{X(s)} = \dfrac{20}{90000s^2+240s+1}$. Initially the process is at steady state with $x(t=0)=0.4$ and $y(t=0)=100$. If...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatech-2021
numerical-answers
+
–
0
answers
0
votes
GATE CH 2021 | Question: 54
Operating labor requirements $L$ ... is _______(round off to nearest integer).
Operating labor requirements $L$ in the chemical process industry is described in terms of the plant capacity $C ( \text{kg day}^{-1})$ over a wide range $(10^3-10^6)$ by...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatech-2021
numerical-answers
+
–
0
answers
0
votes
GATE Chemical 2020 | Question: 12
The operating temperature range for the Haber process is $350-500^{\circ}C$. It is used for the production of ammonia at$20 \:MPa$ using $Fe$ catalyst in an exothermic re...
soujanyareddy13
1.8k
points
soujanyareddy13
asked
Nov 16, 2020
Others
gate2020
+
–
0
answers
0
votes
GATE Chemical 2017 | Question: 17
The following reaction rate curve is shown for a reaction $A{\rightarrow}P$. Here, $(-r_{A})$ and $X_{A}$ represent reaction rate and conversion, respectively. The feed i...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 26, 2018
Others
gate2017
+
–
0
answers
0
votes
GATE Chemical 2016 | Question: 4
A liquid mixture of ethanol and water is flowing as inlet stream $P$ into a stream splitter. It is split into two streams, $Q$ and $R$, as shown in the figure below.The f...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 26, 2018
Others
gate2016
+
–
0
answers
0
votes
GATE Chemical 2016 | Question: 37
Consider a rigid solid sphere falling with a constant velocity in a fluid. The following data are known at the conditions of interest: viscosity of the fluid = $0.1\:Pa\;...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 26, 2018
Others
gate2016
numerical-answers
+
–
0
answers
0
votes
GATE Chemical 2016 | Question: 53
For a unit step input, the response of a second order system is$$y\left ( t \right )=K_{p} \left [ 1-\frac{1}{\sqrt{1-\zeta ^{2}}} e^{\frac{\zeta t}{\tau }}\sin\left ( \f...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 26, 2018
Others
gate2016
+
–
0
answers
0
votes
GATE Chemical 2015 | Question: 17
Three identical closed systems of a pure gas are taken from an initial temperature and pressure $(T_{1},P_{1})$ to a final state $(T_{2},P_{2})$, each by a different path...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 26, 2018
Others
gate2015
+
–
0
answers
0
votes
GATE Chemical 2015 | Question: 18
For a gas phase cracking reaction $A{\rightarrow}B+C$ at $300^{\circ}$, the Gibbs free energy of the reaction at this temperature is $\Delta G^{\circ}=-2750$ $J$/mol. The...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 26, 2018
Others
gate2015
+
–
0
answers
0
votes
GATE Chemical 2015 | Question: 55
Adsorption on activated carbon is to be used for reducing phenol concentration in wastewater from $0.04$ mol/$1$ to $0.008$ mol/$1$. The adsorption isotherm at the operat...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 26, 2018
Others
gate2015
numerical-answers
+
–
0
answers
0
votes
GATE Chemical 2014 | Question: 14
Assume that an ordinary mercury-in-glass thermometer follows first order dynamics with a time constant of $10\:s$. It is at a steady state temperature of $0^{\circ}C$. At...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2014
+
–
0
answers
0
votes
GATE Chemical 2014 | Question: 5
From the following list, identify the properties which are equal in both vapour and liquid phases at equilibriumDensityTemperatureChemical potentialEnthalpy$P$ and $Q$ on...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2014
+
–
0
answers
0
votes
GATE Chemical 2013 | Question: 50
Liquid reactant A decomposes as follows A $\rightarrow$ R r${_R} $= k${_1}$C$^{2}$${_A}$ k${_1}$ = 0.5m$^{3}$/mol-s...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2013
numerical-answers
+
–
0
answers
0
votes
GATE Chemical 2013 | Question: 48
A reverse osmosis unit treats feed water (F) containing fluoride and its output consists of a permeate stream (P) and a reject stream (R). Let C${_F}$, C${_p}$, and C${_R...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2013
numerical-answers
+
–
0
answers
0
votes
GATE Chemical 2013 | Question: 32
Water (density 1000 kg/m$^{3}$) is flowing through a nozzle, as shown below and exiting to the atmosphere. The relationship the diameters of the nozzle at location 1 and ...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2013
numerical-answers
+
–
0
answers
0
votes
GATE Chemical 2013 | Question: 30
In a process occurring in a closed system F, the heat transferred from F to the surroundings E is 600 J. If the temperature of E is 300 K and that of F is in the range 38...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2013
+
–
0
answers
0
votes
GATE Chemical 2013 | Question: 22
An isothermal liquid phase zero order reaction A $\rightarrow$ B (k = 0.5 mol/m$^{3}$ -s) is carried out in a batch reactor. The initial concentration of A is 2 mol/m$^{3...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2013
numerical-answers
+
–
0
answers
0
votes
GATE Chemical 2012 | Question: 36
The rate-controlling step for the solid-catalyzed irreversible reaction $ A + B \longrightarrow C$is known ...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2012
+
–
0
answers
0
votes
GATE Chemical 2018 | Question: 8
Segmental baffles in a $2-4$ shell and tube heat exchangerchange the flow pattern of the tube side fluid and increase the overall heat transfer co-efficientincrease the h...
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Others
gate2018
+
–
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 2024 | Question: 34
A first-order heterogenous reaction $A \rightarrow B$ is carried out using a porous spherical catalyst. Assume isothermal conditions, and that intraphase diffusion contro...
admin
2.8k
points
admin
asked
Feb 16
Others
gatech-2024
+
–
0
answers
0
votes
GATE CH 2022 | Question: 32
Saturated steam condenses on a vertical plate maintained at a constant wall temperature. If $x$ is the vertical distance from the top edge ... $\frac{3}{4}$ $3$
Saturated steam condenses on a vertical plate maintained at a constant wall temperature. If $x$ is the vertical distance from the top edge of the plate, then the local he...
Arjun
4.7k
points
Arjun
asked
Feb 15, 2022
Others
gatech-2022
+
–
0
answers
0
votes
GATE CH 2021 | Question: 32
Which of the following is $\text{NOT}$ a necessary condition for a process under closed-loop control to be ... an amplitude ratio less than $1$ at the critical frequency
Which of the following is $\text{NOT}$ a necessary condition for a process under closed-loop control to be stable?Dead-time term(s) must be absent in the open-loop transf...
go_editor
1.4k
points
go_editor
asked
Mar 1, 2021
Others
gatech-2021
+
–
0
answers
0
votes
GATE Chemical 2020 | Question: 9
Pure gas $\textbf{P}$ is being absorbed into a liquid. The dissolved $\textbf{P}$ undergoes an irreversible reaction in the liquid film. The reaction is first order with ...
soujanyareddy13
1.8k
points
soujanyareddy13
asked
Nov 16, 2020
Others
gate2020
+
–
0
answers
0
votes
GATE Chemical 2017 | Question: 19
For a solid-catalyzed gas phase reversible reaction, which of the following statements is ALWAYS TRUE?Adsorption is rate-limitingDesorption is rate-limitingsolid catalyst...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 26, 2018
Others
gate2017
+
–
0
answers
0
votes
GATE Chemical 2017 | Question: 36
The following table provides four sets of Fanning friction factor data, for different values of Reynolds number $(Re)$ and roughness factor $\left ( \frac{k}{D} \right )....
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 26, 2018
Others
gate2017
+
–
0
answers
0
votes
GATE Chemical 2016 | Question: 38
The characteristics curve (Head-Capacity relationship) of a centrifugal pimp is represented by the equation $\Delta H_{pump}=43.8-0.19Q$, where $\Delta H_{pump}$ is the h...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 26, 2018
Others
gate2016
numerical-answers
+
–
0
answers
0
votes
GATE Chemical 2016 | Question: 44
Solute $C$ is extracted in a batch process from its homogenous solution of $A$ and $C$, using solvent $B$. The combined composition of the feed and the extracting solvent...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 26, 2018
Others
gate2016
+
–
0
answers
0
votes
GATE Chemical 2016 | Question: 45
At $30^{\circ}C$, the amounts of acetone adsorbed at partial pressures of $10$ and $100\:mmHg$ are $0.1$ and $0.4\:kg$ acetone/$kg$ activated carbon, respectively. Assume...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 26, 2018
Others
gate2016
+
–
0
answers
0
votes
GATE Chemical 2015 | Question: 20
Two different liquids are flowing through different pipes of the same diameter. In the first pipe, the flow is laminar with centerline velocity, $V_{max,1}$, whereas in t...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 26, 2018
Others
gate2015
numerical-answers
+
–
Page:
« prev
1
...
10
11
12
13
14
15
16
17
next »
GO Chemical
Email or Username
Show
Hide
Password
I forgot my password
Remember
Log in
Register