Recent questions tagged numerical-answers - GATE Chemical Q&A

0 votes

0 answers

GATE2019-50
Two spherical camphor particles of radii $20$ $cm$ and $5$ $cm$ far away from each other, are undergiong sublimation in ... is _________________ (rounded off to one decimal place).

asked Feb 24, 2019 in Others by Arjun (1.4k points)

0 votes

0 answers

GATE2019-51
A countercurrent absorption tower is designed to remove $95\%$ of component $A$ from an incoming binary gas mixture using ... stream is ____________ (rounded off to three decimal places).

asked Feb 24, 2019 in Others by Arjun (1.4k points)

0 votes

0 answers

GATE2019-52
A binary mixture with components $A$ and $B$ is to be separated in a distillation column to obtain $95$ ... for this separation is _______________ (rounded off to one decimal place).

asked Feb 24, 2019 in Others by Arjun (1.4k points)

0 votes

0 answers

GATE2019-53
Consider the reactor-separator-recycle process operating under steady state conditions as shown in the figure. The ... is ____________________________ (rounded off to two decimal places).

asked Feb 24, 2019 in Others by Arjun (1.4k points)

0 votes

0 answers

GATE2019-54
Consider two competing equipment $A$ and $B$. For a compound interest rate of $10\%$ per annum, in order for equipment $B$ to be the ...

asked Feb 24, 2019 in Others by Arjun (1.4k points)

0 votes

0 answers

GATE2019-55
A taxi-car is bought for $Rs\: 10$ lakhs. Its salvage value is zero. The expected yearly income after paying all ... ), is ____________________ (rounded off to the next higher integer).

asked Feb 24, 2019 in Others by Arjun (1.4k points)

0 votes

0 answers

GATE2017-1
The value of $\underset{x\rightarrow 0}{lim}\:\frac{tan\left ( x \right )}{x}$ is ________________.

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2017-2
The real part of $6e^{i\pi /3}$ is _______________.

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2017-3
The number of positive roots of the function $f(x)$ shown below in the range $0<x<6$ is ___________________.

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2017-11
A gas bubble (gas density $\rho_{g} =2\:kg/m^{3}$ ; bubble diameter $D=10^{-4}\:m$ is rising vertically through water ( ... $cm/s$), rounded to $2$ decimal places, is ___________ $cm/s$.

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2017-13
In a heat exchanger, the inner diameter of a tube is $25\:mm$ and its outer diameter is $30\:mm$. The overall heat transfer ... the nearest integer, is _______________ $W/m^{2}.^{\circ}C$.

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2017-15
The composition of vapour entering a tray in a distillation column is $0.47$. The average composition of the vapour leaving ... , rounded to the nearest integer, is _____________ $\%$.

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2017-22
The cost of a new pump (including installation) is $24,000$ Rupees. The pump has a useful life of $10$ years. Its ... year, rounded to the nearest integer, is ____________ Rupees.

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2017-26
For the initial value problem $\frac{dx}{dt}=sin\left ( t \right ),\:\:\:\:x\left ( 0 \right )=0$ the value of $x$ at $t=\pi /3$ , is _____________.

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2017-29
A box has $6$ red balls and $4$ white balls. A ball is picked at random and replaced in the box, after which a ... the balls being red, rounded to $2$ decimal places, is ___________.

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2017-30
An aqueous salt-solution enters a crystallizer operating at steady state at $25^{\circ}C$ ... salt, rounded to the nearest integer, is ______________ $kg/s$.

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2017-31
Reaction $A{\rightarrow}B$ is carried out in a reactor operating at steady state and $1$ mol/$s$ of pure $A$ ... the reactor, rounded to $2$ decimal places, is ________ mol/$s$.

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2017-32
The pressure of a liquid is increased isothermally. The molar volume of the liquid decreases from $50.45\times 10^{-6}$ ... the liquid, rounded to nearest integer, is ________ $J$/mol.

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2017-33
A sparingly soluble gas (solute) is in equilibrium with a solvent at $10$ bar. The mole fraction of the solvent in the ... the liquid phase, rounded to $2$ decimal places, is ____________.

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2017-34
The vapour pressure of a pure substance at a temperature $T$ is $30$ ... these conditions, rounded to $1$ decimal place, is ________________ bar.

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2017-35
Oil is being delivered at a steady flowrate through a circular pipe of radius $1.25\times10^{-2}\:m$ and $10\:m$. The ... pipe wall, rounded to $2$ decimal places, is _______________ $Pa$.

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2017-37
A propeller (diameter $D=15\:m$) rotates at $N=1$ revolution per second $(rps)$. To understand the flow around the ... lab-scale model, to the nearest integer, should be ____________ $rps$.

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2017-38
Size analysis was carried out on a sample of gravel. The data for mass fraction $(x_{i})$ ... of the sample, to the nearest integer, is _____________ $mm$.

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2017-42
The vapour phase composition and relative volatilities (with respect to $n$-propane) on an ideal tray of a distillation ... phase, rounded to $2$ decimal places, is ___________________.

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2017-44
In a countercurrent stripping operation using pure steam, the mole ratio of a solute in the liquid stream is reduced from $0.25$ ... rounded to $1$ decimal place, is _____________ mol/$s$.

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2017-45
In a batch absorption process, $5\:g$ of fresh absorbent is used to treat $1$ liter of an aqueous phenol solution. The ... , rounded to $1$ decimal place, is _____________ $mg$/liter.

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2017-46
The $C$-curve measured during a pulse tracer experiment is shown below. In the figure, $C(t)$ is the concentration of the ... the reactor, rounded to $1$ decimal place, is __________ $s$.

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2017-47
The following liquid phase second-order reaction is carried out in an isothermal $CSTR$ ... conversion, rounded to $2$ decimal places, is ___________.

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2017-48
The reversible reaction of $t$-butyl alcohol $(TBA)$ and ethanol $(EtOH)$ to ethyl $t$-butyl ether $(ETBE)$ ... at equilibrium, rounded to $1$ decimal, place, is _______________ $g$.

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2017-49
The following gas-phase reaction is carried out in a constant-volume isothermal batch reactor $A+B{\rightarrow}R+S$ The reactants ... , rounded to $1$ decimal place, is ____________ $s$.

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2017-50
The transfer function of a system is $\frac{1}{4s^{2}+1.2s+1}$ For a unit step increase in the input, the fractional overshoot, rounded to $2$ decimal place, is __________.

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2017-51
The open loop transfer function of a process with a proportional controller (gain $K_{C}$ ... of the controller, rounded to $2$ decimal places, is ____________.

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2017-52
The characteristics equation of a closed-loop system is ... the system just becomes unstable, rounded to the nearest integer, is ______________.

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2017-53
A bond has a maturity value of $20,000$ Rupees at the end of $4$ years. The interest is compounded at the rate ... to be made, rounded to the nearest integer, is ___________ Rupees.

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2017-54
The total cost $(C_{T})$ of an equipment in terms of the operating variables $x$ and $y$ ... value of $C_{T}$, rounded to $1$ decimal place, is __________.

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2016-5
The partial molar enthalpy (in $kJ$/mol) of species $1$ ... to the first decimal place) of species $1$ at infinite dilution is _________

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2016-8
A vertical cylindrical vessel has a layer of kerosene (of density $800\: kg/m^{3}$ ... the point at which the lower $L$ - tube is connected is _________

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2016-9
A composite wall is made of four different materials of construction in the fashion shown below. The resistance (in $K/W$) ... the composite wall, in the direction of heat flow, is ________

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2016-11
A binary liquid mixture of benzene and toluene contains $20$ mol$\%$ of benzene. At $350 \:K$ the vapour pressures of ... in contact with this liquid mixture at $350\:K$ is ________

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

0 votes

0 answers

GATE2016-16
Hydrogen iodide decomposes through the reaction $2HI\leftrightharpoons H_{_{2}}+I_{2}$. The value of the universal gas constant $R$ ... at $600 \:K$ to that at $550\:K$ is ________

asked Mar 26, 2018 in Others by Milicevic3306 (7.9k points)

Page:

« prev
1
2
3
4
5
next »

585 questions

5 answers

0 comments

3,079 users