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Recent questions and answers
0
votes
2
answers
GATE20192GA4
The product of three integers X, Y and Z is $192$. Z is equal to $4$ and P is equal to the average of X and Y. What is the minimum possible value of P? $6$ $7$ $8$ $9.5$
answered
16 hours
ago
in
General Aptitude
by
ankitgupta.1729
(
430
points)
gate20192
0
votes
1
answer
GATE2019151
The value of the following definite integral is ______ (round off to three decimal places) $\int_1^e (x \: \ln \: x) dx$
answered
23 hours
ago
in
Others
by
ankitgupta.1729
(
430
points)
gate20191
numericalanswers
0
votes
1
answer
GATE201913
For the equation $\frac{dy}{dx}+7x^2y=0$, if $y(0)=3/7$, then the value of $y(1)$ is $\frac{7}{3}e^{7/3}$ $\frac{7}{3}e^{3/7}$ $\frac{3}{7}e^{7/3}$ $\frac{3}{7}e^{3/7}$
answered
1 day
ago
in
Others
by
ankitgupta.1729
(
430
points)
gate20191
0
votes
1
answer
GATE201923
The differential equation $\frac{dy}{dx}+4y=5$ is valid in the domain $0 \leq x \leq 1$ with $y(0)=2.25$. The solution of the differential equation is $y=e^{4x}+5$ $y=e^{4x}+1.25$ $y=e^{4x}+5$ $y=e^{4x}+1.25$
answered
1 day
ago
in
Differential Equations
by
ankitgupta.1729
(
430
points)
gate20192
0
votes
1
answer
GATE201924
An analytic function $f(z)$ of complex variable $z=x+iy$ may be written as $f(z)=u(x,y)+iv(x,y)$. Then $u(x,y)$ and $v(x,y)$ ...
answered
1 day
ago
in
Calculus
by
ankitgupta.1729
(
430
points)
gate20192
0
votes
1
answer
GATE2017228
Consider the matrix $A=\begin{bmatrix} 50 &70 \\ 70 & 80 \end{bmatrix}$ whose eigenvectors corresponding to eigenvalues $\lambda _{1}$ and $\lambda _{2}$ are $x_{1}=\begin{bmatrix} 70 \\ \lambda_{1}50 \end{bmatrix}$ and $x_{2}=\begin{bmatrix} \lambda _{2}80\\ 70 \end{bmatrix}$, respectively. The value of $x^{T}_{1} x_{2}$ is _________.
answered
1 day
ago
in
Linear Algebra
by
ankitgupta.1729
(
430
points)
gate20172
0
votes
1
answer
GATE2017229
If $f(z)=(x^{2}+ay^{2})+i bxy$ is a complex analytic function of $z=x+iy$, where $i=\sqrt{1}$, then $a=1, b=1$ $a=1, b=2$ $a=1, b= 2$ $a=2, b=2$
answered
1 day
ago
in
Others
by
ankitgupta.1729
(
430
points)
gate20172
0
votes
1
answer
GATE201921
In matrix equation $[A] \{X\}=\{R\}$, $[A] = \begin{bmatrix} 4 & 8 & 4 \\ 8 & 16 & 4 \\ 4 & 4 & 15 \end{bmatrix} \{X\} = \begin{Bmatrix} 2 \\ 1 \\ 4 \end{Bmatrix} \text{ and} \{ R \} = \begin{Bmatrix} 32 \\ 16 \\ 64 \end{Bmatrix}$ One of the eigen values of matrix $[A]$ is $4$ $8$ $15$ $16$
answered
1 day
ago
in
Linear Algebra
by
ankitgupta.1729
(
430
points)
gate20192
0
votes
1
answer
GATE20192GA10
X is an online media provider. By offering unlimited and exclusive online content at attractive prices for a loyalty membership, X is almost forcing its customers towards its loyalty membership. If its royalty membership continues to grow at its current ... television\ Cable television operators don't subscribe to X's loyalty members The X is cancelling accounts of nonmembers
answered
6 days
ago
in
General Aptitude
by
Shalini26
(
280
points)
gate20192
0
votes
1
answer
GATE2019219
If $x$ is the mean of data $3, x, 2$ and $4$, then the mode is _____
answered
6 days
ago
in
Others
by
Shalini26
(
280
points)
gate20192
numericalanswers
0
votes
1
answer
GATE20192GA8
While teaching a creative writing class in India, I was surprised at receiving stories from the students that were all ser in distant places: in the American West with cowboys and in Manhattan penthouses with clinking ice cubes. This was, till an eminent ... None of the students had written about ice cubes and cowboys Some of the students had written about ice cubes and cowboys
answered
6 days
ago
in
General Aptitude
by
Shalini26
(
280
points)
gate20192
0
votes
1
answer
GATE20192GA5
Are there enough seats here? There are ____ people here than I expected many most least more
answered
6 days
ago
in
General Aptitude
by
Shalini26
(
280
points)
gate20192
+1
vote
1
answer
GATE20192GA1
Once the team of analysis identify the problem, we ____ in a better position to comment on the issue. Which of the following choices CANNOT fill the given blank? will be were to be are going to be might be
answered
May 16
in
General Aptitude
by
Satbir
(
260
points)
gate20192
englishgrammar
+1
vote
1
answer
GATE20192GA7
Two pipes P and Q can fill a tank in $6$ hours and $9$ hours respectively, while a third pipe R can empty the tank in $12$ hours. Initially, P and R are open for $4$ hours, Then P is closed and Q is opened. After $6$ more hours R is closed. The total time taken to fill the tank (in hours) is ____ $13.50$ $14.50$ $15.50$ $16.50$
answered
May 15
in
General Aptitude
by
Satbir
(
260
points)
gate20192
0
votes
1
answer
GATE20192GA9
Mola is a digital platform for taxis in a city. It offers three types of rides  Pool, Mini and Prime.The table below presents the number of rides for the past four months. The platform earns one US dollar per ride. What is the percentage share of the revenue contributed by Prime to the total ... $110$ $220$ $180$ $70$ Prime $75$ $180$ $120$ $90$ $16.24$ $23.97$ $25.86$ $38.74$
answered
May 15
in
General Aptitude
by
Satbir
(
260
points)
gate20192
0
votes
1
answer
GATE2018147
A plan slab of thickness $L$ and thermal conductivity $k$ is heated heated with a fluid on one side $(P)$, and the other side (Q) is maintained at a constant temperature, $T_Q$ of $25^oC$, as shown in the figure, the fluid is at $45^oC$ and the ... 2K$. The steady state temperature, $T_P$ (in $^oC) of the side which is exposed to the fluid is _____ (correct to two decimal places)
answered
Apr 26
in
Heat Transfer
by
GG
(
180
points)
gate20181
0
votes
1
answer
GATE2018223
An engine operates on the reversible cycle as shown in the figure. The work output from the engine (in ($kJ/cycle$) is ____ (correct to two decimal places).
answered
Apr 26
in
Applications
by
GG
(
180
points)
gate20182
0
votes
1
answer
GATE20172GA7
X bullocks and Y tractors take $8$ days to plough a field. If we have the number of bullocks and double the number of tractors, it takes $5$ days to plough the same field. How many days will it take X bullocks alone to plough the field? $30$ $35$ $40$ $45$
answered
Apr 24
in
General Aptitude
by
shubham841
(
140
points)
gate20172
0
votes
1
answer
GATE20192GA3
If IMHO=JNIP; IDK=JEL; and SO=TP, then IDC=______ JDE JED JDC JCD
answered
Mar 19
in
General Aptitude
by
m2n037
(
1.5k
points)
gate20192
0
votes
1
answer
GATE20192GA2
A final examination is the ____ of a series of evaluations that a student has to go through culmination consultation desperation insinuation
answered
Mar 19
in
General Aptitude
by
m2n037
(
1.5k
points)
gate20192
0
votes
1
answer
GATE2019239
A four bar mechanism is shown in the figure. The link numbers are mentioned near the links. Input link 2 is rotating anticlockwise with a constant angular speed $\omega_2$. Length of different links are: $O_2=O_2A=L,$ $AB=O_4B=\sqrt{2}L$. The magnitude of the angular ... $O_2O_4$ as shown. The ratio $\frac{\omega_4}{\omega_2}$ is _____ (round off to two decimal places).
answered
Feb 20
in
Theory of Machines
by
Jamir
(
140
points)
gate20192
numericalanswers
0
votes
1
answer
GATE201911
Consider the matrix $P=\begin{bmatrix} 1 & 1 & 0 \\ 0 & 1 & 1 \\ 0 & 0 & 1 \end{bmatrix}$ The number of distinct eigenvalues $0$ $1$ $2$ $3$
answered
Feb 15
in
Linear Algebra
by
aditya_kr
(
140
points)
gate20191
0
votes
0
answers
GATE20192GA6
Fiscal deficit was $4 \%$ of the GDP in $2015$ and that increased to $5 \%$ in $2016$. If the GDP increased by $10 \%$ from $2015$ to $2016$, the percentage increase in the actual fiscal deficit is ____ $37.50$ $35.70$ $25.00$ $10.00$
asked
Feb 9
in
General Aptitude
by
Arjun
(
21.5k
points)
gate20192
0
votes
0
answers
GATE201922
The directional derivative of the function $f(x,y)=x^2+y^2$ along a line directed from $(0,0)$ to $(1,1)$, evaluated at the point $x=1, y=1$ is $\sqrt{2}$ $2$ $2 \sqrt{2}$ $2 \sqrt{2}$
asked
Feb 9
in
Calculus
by
Arjun
(
21.5k
points)
gate20192
0
votes
0
answers
GATE201925
A rigid triangular body, PQR, with sides of equal length of $1$ unit moves on a flat plane. At the instant shown, edge QR is parallel to the $x$axis, and the body moves such that velocities of points P and R are $V_P$ and $V_R$, in the $x$ and $y$ directions, respectively. The magnitude of the angular velocity of the body is $2V_R$ $2V_P$ $V_R/\sqrt{3}$ $V_P/\sqrt{3}$
asked
Feb 9
in
Theory of Machines
by
Arjun
(
21.5k
points)
gate20192
0
votes
0
answers
GATE201926
Consider a linear elastic rectangular thin sheet of metal, subjected to uniform uniaxial tensile stress of $100$ MPa along the length direction. Assume plane stress conditions in the plane normal to the thickness. The Young's modulus $E=200$ MPa and Poisson's ratio $v=0.3$ are given. The principal strains in the plane ... are $(0.35,  0.15)$ $(0.5, 0.0)$ $(0.5,  0.15)$ $(0.5,  0.5)$
asked
Feb 9
in
Mechanics of Materials
by
Arjun
(
21.5k
points)
gate20192
0
votes
0
answers
GATE201927
A spur gear has pitch circle diameter $D$ and number of teeth $T$. The circular pitch of the gear is $\frac{\pi D}{T}$ $\frac{T}{D}$ $\frac{D}{T}$ $\frac{2 \pi D}{T}$
asked
Feb 9
in
Machine Design
by
Arjun
(
21.5k
points)
gate20192
0
votes
0
answers
GATE201928
Endurance limit of a beam subjected to pure bending decreases with decrease in the surface roughness and decrease in the size of the beam increase in the surface roughness and decrease in the size of the beam increase in the surface roughness and increase in the size of the beam decrease in the surface roughness and increase in the size of the beam
asked
Feb 9
in
Mechanics of Materials
by
Arjun
(
21.5k
points)
gate20192
0
votes
0
answers
GATE201929
A twodimensional incompressible frictionless flow field is given by $\overrightarrow{u} = x \hat{i} – y \hat{j}$. If $\rho$ is the density pf the fluid, the expression for pressure gradient vector at any point in the flow field is given as $\rho(x \hat{i}+y \hat{j})$ $ – \rho(x \hat{i}+y \hat{j})$ $\rho(x \hat{i} – y \hat{j})$ $ – \rho(x^2 \hat{i}+y^2 \hat{j})$
asked
Feb 9
in
Fluid Mechanics
by
Arjun
(
21.5k
points)
gate20192
0
votes
0
answers
GATE2019210
Sphere $1$ with a diameter of $0.1$ m is completely enclosed by another sphere $2$ of diameter $0.4$m. The view factor $F_{12}$ is $0.0625$ $0.25$ $0.5$ $1.0$
asked
Feb 9
in
Others
by
Arjun
(
21.5k
points)
gate20192
0
votes
0
answers
GATE2019211
Onedimensional steady state heat conduction takes places through a solid whose crosssectional area varies linearly in the direction of heat transfer. Assume there is no heat generation in the solid and the thermal conductivity of the material is constant and independent of temperature. The temperature distribution in the solid is Linear Quadratic Logarithmic Exponential
asked
Feb 9
in
Heat Transfer
by
Arjun
(
21.5k
points)
gate20192
0
votes
0
answers
GATE2019212
For a simple compressible system, $v, s, p$ and $T$ are specific volume, specific entropy, pressure and temperature, respectively. As per Maxwell's relations, $\big( \frac{\partial v}{\partial s} \big) _p$ $\big( \frac{\partial s}{\partial T} \big) _p$ ... $  \big( \frac{\partial T}{\partial v} \big) _p$ $\big( \frac{\partial T}{\partial p} \big) _s$
asked
Feb 9
in
Thermodynamics
by
Arjun
(
21.5k
points)
gate20192
0
votes
0
answers
GATE2019213
Which one of the following modifications of the simple ideal Rankine cycle increases the thermal efficiency and reduces the moisture content of the steam at the turbine outlet? Increasing the boiler pressure Decreasing the boiler pressure Increasing the turbine inlet temperature decreasing the condenser pressure
asked
Feb 9
in
Thermodynamics
by
Arjun
(
21.5k
points)
gate20192
0
votes
0
answers
GATE2019214
Hardenability of steel is a measure of the ability ti harden when it is cold worked the maximum hardness that can be obtained when it is austenitized and then quenched the depth to which required hardening is obtained when it is austenitized and then quenched the ability to retain its hardness when it is heated to elevalated temperatures
asked
Feb 9
in
Engineering Materials
by
Arjun
(
21.5k
points)
gate20192
0
votes
0
answers
GATE2019215
The fluidity of molten metal of cast alloys (without any addition of fluxes) increases with increase in viscosity surface tension freezing range degree of superheat
asked
Feb 9
in
Others
by
Arjun
(
21.5k
points)
gate20192
0
votes
0
answers
GATE2019216
The cold forming process in which a hardened tool is pressed against a workpiece (when there is relative motion between the tool and the workpiece) to produce a roughened surface with a regular pattern is Roll forming Strip forming Knurling Chamfering
asked
Feb 9
in
Others
by
Arjun
(
21.5k
points)
gate20192
0
votes
0
answers
GATE2019217
The most common limit gage used for inspecting the hole diameter is Snap gage Ring gage Plus gage Madter gage
asked
Feb 9
in
Others
by
Arjun
(
21.5k
points)
gate20192
0
votes
0
answers
GATE2019218
The transformation matrix for mirroring a point in $x – y$ plane about the line $y=x$ is given by $\begin{bmatrix} 1 & 0 \\ 0 & 1 \end{bmatrix}$ $\begin{bmatrix} 1 & 0 \\ 0 & 1 \end{bmatrix}$ $\begin{bmatrix} 0 & 1 \\ 1 & 0 \end{bmatrix}$ $\begin{bmatrix} 0 & 1 \\ 1 & 0 \end{bmatrix}$
asked
Feb 9
in
Others
by
Arjun
(
21.5k
points)
gate20192
0
votes
0
answers
GATE2019220
The figure shows an idealized plane truss. If a horizontal force of $300$ N is applied at point A, then the magnitude of the force produced in member CD is ____ N
asked
Feb 9
in
Others
by
Arjun
(
21.5k
points)
gate20192
numericalanswers
0
votes
0
answers
GATE2019221
The state of stress at a point in a component is represented by a Mohr’s circle of radius $100$ MPa centered at $200$ MPa on the thermal stress axis. On a plane plassing through the same point, the normal stress is $260$ MPa. The magnitude of the shear stress on the same plane at the same point is _______ MPa
asked
Feb 9
in
Others
by
Arjun
(
21.5k
points)
gate20192
numericalanswers
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