Chemical Engineering
Ask us anything
Toggle navigation
GATE Chemical Q&A
Email or Username
Password
Remember
Login
Register

I forgot my password
Activity
Questions
Unanswered
Tags
Subjects
Users
Ask
New Blog
Blogs
Exams
Recent questions and answers in Others
0
votes
0
answers
GATE CH 2021  Question: 1
An ordinary differential equation $\text{(ODE)}, \: \dfrac{dy}{dx}=2y$, with an initial condition $y(0)=1$, has the analytical ... $0.06$ $0.8$ $4.0$ $8.0$
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
0
votes
0
answers
GATE CH 2021  Question: 2
The function $\cos(x)$ is approximated using Taylor series around $x=0$ as $\cos(x) \approx 1 + ax + bx^2 + cx^3 + dx^4$. The values ... $a=0.5, \: b=0,\: c=0.042, \: d=0$
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
0
votes
0
answers
GATE CH 2021  Question: 3
The heat of combustion of methane, carbon monoxide and hydrogen are $P$, $Q$ and $R$ ... $Q+3RP$ $PQR$ $Q+RP$
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
0
votes
0
answers
GATE CH 2021  Question: 4
A batch settling experiment is performed in a long column using a dilute dispersion containing equal number of particles of ... $A$ particles on top of type $B$ particles
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
0
votes
0
answers
GATE CH 2021  Question: 5
A threedimensional velocity field is given by $V=5x^2y \: i + Cy \: j10xyz \: k$, where $i,j,k$ are the unit vectors in ... fluid flow, the value of $C$ is $1$ $0$ $1$ $5$
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
0
votes
0
answers
GATE CH 2021  Question: 6
Heat transfer coefficient for a vapor condensing as a film on a vertical surface is given by Dittus ... equation Nusselt theory ChiltonColburn analogy SiederTate equation
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
0
votes
0
answers
GATE CH 2021  Question: 7
In a doublepipe heat exchanger of $10 \: m$ length, a hot fluid flows in the annulus and a cold fluid flows in the inner pipe. The ... $24.6$ $27.9$ $30.0$ $50.0$
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
0
votes
0
answers
GATE CH 2021  Question: 8
For a shellandtube heat exchanger, the clean overall heat transfer coefficient is calculated as $\text{250 W m$^{2}$ K}^{1}$ ... 2}$ K}^{1})$. $100$ $150$ $200$ $250$
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
0
votes
0
answers
GATE CH 2021  Question: 9
In reverse osmosis, the hydraulic pressure and osmotic pressure at the feed side of the membrane are $P_1$ and $\pi_1$, ... $P_1  \pi_1 = P_2\pi_2$
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
0
votes
0
answers
GATE CH 2021  Question: 10
Ethylene adsorbs on the vacant active sites $V$ ... $N_T=N_V+0.5N_{C_2H_4}$
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
0
votes
0
answers
GATE CH 2021  Question: 11
Which of the following is $\text{NOT}$ a standard to transmit measurement and control signals? $420 \: \text{mA}$ $315 \text{ psig}$ $0100\: \%$ $15 \text{ VDC}$
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
0
votes
0
answers
GATE CH 2021  Question: 12
A feedforward controller can be used only if the disturbance variable can be measured the disturbance variable ... variable can be ignored regulatory control is not required
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
0
votes
0
answers
GATE CH 2021  Question: 13
Turnover ratio is defined as $\dfrac{\text{Fixed capital investment}}{\text{Gross annual sales}} \\$ ...
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
0
votes
0
answers
GATE CH 2021  Question: 14
A principal amount is charged a nominal annual interest rate of $10 \%$. If the interest rate is compounded continuously ... using an effective interest rate of $27.18 \%$
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
0
votes
0
answers
GATE CH 2021  Question: 15
Match the common name of chemicals in $\text{Group1}$ with their chemical formulae in $\text{Group2}$ ... $\text{PII, QI, R III}$
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
0
votes
0
answers
GATE CH 2021  Question: 16
For the function $f(x) = \begin{cases} x, & x<0 \\ x^2, & x \geq 0 \end{cases}$ ... $x=0$ $f(x)$ is differentiable at $x=0$
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
multipleselects
0
votes
0
answers
GATE CH 2021  Question: 17
Feed solution $\textbf{F}$ is contacted with solvent $\textbf{B}$ in an extraction process. Carrier liquid ... raffinate composition if the mixture composition is at $M$
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
multipleselects
0
votes
0
answers
GATE CH 2021  Question: 18
The inherent characteristics of the three control valves $P$, $Q$ and $R$ ... is an equal percentage valve $R$ is an equal percentage valve
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
multipleselects
0
votes
0
answers
GATE CH 2021  Question: 19
A source placed at the origin of a circular sample holder (radius $r=1 \: m$) emits particles ... total number of particles emitted during the experiment is ___________.
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
numericalanswers
0
votes
0
answers
GATE CH 2021  Question: 20
$\textbf{A, B, C}$ and $\textbf{D}$ are vectors of length $4$ ... is __________
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
numericalanswers
0
votes
0
answers
GATE CH 2021  Question: 21
The van der Waals equation of the state is given by $P_r = \dfrac{8T_r}{3v_r1}  \dfrac{3}{v_r^2}$ ... equation of state is __________ (round off to $2$ decimal places).
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
numericalanswers
0
votes
0
answers
GATE CH 2021  Question: 22
Consider a steady flow of an incompressible, Newtonian fluid through a smooth circular pipe. Let ... is ______ (round off to $2$ decimal places).
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
numericalanswers
0
votes
0
answers
GATE CH 2021  Question: 23
The molar heat capacity at constant pressure $C_p$ (in $\text{J mol}^{1} K^{1}$) for $n$pentane as a function of ... $2$ decimal places).
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
numericalanswers
0
votes
0
answers
GATE CH 2021  Question: 24
The following homogeneous liquid phase reactions are at equilibrium, The values of rate constants are given by: ... $s^{1}$ (round off to $1$ decimal place)
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
numericalanswers
0
votes
0
answers
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)
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
numericalanswers
0
votes
0
answers
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 $0$ $1$ $n!$ $(n!)^2$
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
0
votes
0
answers
GATE CH 2021  Question: 27
Consider a fluid confined between two horizontal parallel plates and subjected to shear flow. In the ... is ___________ Newtonian Pseudoplastic Dilatant Ideal and inviscid
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
0
votes
0
answers
GATE CH 2021  Question: 28
Water of density $1000 \text{ kg m}^{3}$ flows in a horizontal pipe of $10 \: cm$ diameter at an average velocity of ... $0.0012$ $0.0074$ $0.0082$ $0.0106$
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
0
votes
0
answers
GATE CH 2021  Question: 29
In a solvent regeneration process, a gas is used to strip a solute from a liquid in a countercurrent packed tower operating ...
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
0
votes
0
answers
GATE CH 2021  Question: 30
Which of these symbols can be found in piping and instrumentation diagrams? $(Q)$ and $(S)$ only $(P)$, $(Q)$ and $(R)$ ... $(P)$, $(Q)$, $(R)$ and $(S)$
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
0
votes
0
answers
GATE CH 2021  Question: 31
It is required to control the volume of the contents in the jacketed reactor shown in the figure. Which one of the ... $V3$ Measure $F101$ and manipulate valve $V1$
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
0
votes
0
answers
GATE CH 2021  Question: 32
Which of the following is $\text{NOT}$ a necessary condition for a process under closedloop control to be ... an amplitude ratio less than $1$ at the critical frequency
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
0
votes
0
answers
GATE CH 2021  Question: 33
Match the reaction in $\textbf{Group  1}$ with the reaction type in $\textbf{Group  2}$ ... $\text{PI, QIV, RIII, SII}$
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
0
votes
0
answers
GATE CH 2021  Question: 34
To solve an algebraic equation $f(x)=0$, an iterative scehme of the type $x_{n+1} = g(x_n)$ ... order of convergence for this iterative scheme near the solution is ________
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
numericalanswers
0
votes
0
answers
GATE CH 2021  Question: 35
The probability distribution function of a random variable $X$ is shown in the following figure. From this distribution, ... is _______ (round off to $3$ decimal places)
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
numericalanswers
0
votes
0
answers
GATE CH 2021  Question: 36
For the ordinary differential equation $\dfrac{d^3y}{dt^3}+6 \dfrac{d^2y}{dt^2}+11 \dfrac{dy}{dt}+6y=1$ with ... $3$ decimal places).
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
numericalanswers
0
votes
0
answers
GATE CH 2021  Question: 37
Formaldehyde is produced by the oxidation of methane in a reactor. The following two parallel reactions occur. ... reactor is _______ $\text{mol s}^{1}$
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
numericalanswers
0
votes
0
answers
GATE CH 2021  Question: 38
The combustion of carbon monoxide is carried out in a closed, rigid and insulated vessel. $1 \text{ mol}$ ... is ___________ bar (round off to $1$ decimal place).
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
numericalanswers
0
votes
0
answers
GATE CH 2021  Question: 39
A gaseous mixture at $1$ bar and $300 \: K$ consists of $20 \text{ mol } \% \: CO_2$ ... and pressure is ________ $\text{kJ}$ (round off to nearest integer)
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
numericalanswers
0
votes
0
answers
GATE CH 2021  Question: 40
A binary liquid mixture consists of two species $1$ and $2$. Let $\gamma$ and $x$ represent the activity ... mole fraction is ___________ ( correct to $3$ decimal places)
asked
6 days
ago
in
Others
by
jothee
(
1.4k
points)
gatech2021
numericalanswers
To see more, click for all the
questions in this category
.
Quick search syntax
tags
tag:apple
author
user:martin
title
title:apple
content
content:apple
exclude
tag:apple
force match
+apple
views
views:100
score
score:10
answers
answers:2
is accepted
isaccepted:true
is closed
isclosed:true
Welcome to GATE Chemical Q&A, where you can ask questions and receive answers from other members of the community.
Recent questions and answers in Others
650
questions
5
answers
0
comments
3,079
users