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GATE Mechanical 2019 Set 1 | GA Question: 6
Under a certain legal system, prisoners are allowed to make one statement. If their statements turns out to be true then they are hanged. If the statements turns to be false then they are shot. One prisoner made a statement and the judge ... could be that statement? I did not commit the crime I committed the crime I will be shot You committed the crime
Vimalroy
answered
in
Verbal Aptitude
Aug 31
by
Vimalroy
140
points
gateme-2019-set1
verbal-ability
verbal-reasoning
passage-reading
1
answer
1
vote
GATE Mechanical 2022 Set 2 | GA Question: 2
Which one of the following is a representation (not to scale and in bold) of all values of $x$ satisfying the inequality $2 - 5x \leq - \dfrac{6x - 5}{3}$ on the real number line? A. B. C. D.
makhdoom ghaya
edited
in
Quantitative Aptitude
Jul 7
by
makhdoom ghaya
100
points
gateme-2022-set2
quantitative-aptitude
inequality
0
answers
0
votes
GATE Mechanical 2022 Set 2 | Question: 53
Consider steady state, one-dimensional heat conduction in an infinite slab of thickness $2L (L = 1\:m)$ as shown in the figure. The conductivity $(k)$ of the material varies with temperature as $\text{k = CT}$, where $T$ ... of the slab are maintained at $600\: K$, then the temperature at $X = 0$ is _______________ $K$ (in integer).
makhdoom ghaya
edited
in
Others
Jul 7
by
makhdoom ghaya
100
points
gateme-2022-set2
numerical-answers
0
answers
0
votes
GATE Mechanical 2022 Set 2 | Question: 14
Consider a steady flow through a horizontal divergent channel, as shown in the figure, with supersonic flow at the inlet. The direction of flow is from left to right. Pressure at location $B$ is observed to be higher than that at an ... flow rate is constant, velocity at $B$ is lower than velocity at $A$ Normal shock Viscous effect Boundary layer separation
makhdoom ghaya
edited
in
Others
Jul 7
by
makhdoom ghaya
100
points
gateme-2022-set2
0
answers
0
votes
GATE Mechanical 2022 Set 2 | Question: 1
$F(t)$ is a periodic square wave function as shown. It takes only two values, $4$ and $0$, and stays at each of these values for $1$ second before changing. What is the constant term in the Fourier series expansion of $F(t)$? $1$ $2$ $3$ $4$
makhdoom ghaya
edited
in
Others
Jul 7
by
makhdoom ghaya
100
points
gateme-2022-set2
1
answer
1
vote
GATE Mechanical 2022 Set 2 | GA Question: 10
Equal sized circular regions are shaded in a square sheet of paper of $1$ cm side length. Two cases, case $\text{M}$ and case $\text{N}$, are considered as shown in the figures below. In the case $\text{M}$ ... of case $\text{M}$ to that of case $\text{N}$? $2 : 3$ $1 : 1$ $3 : 2$ $2 : 1$
makhdoom ghaya
edited
in
Quantitative Aptitude
Jul 7
by
makhdoom ghaya
100
points
gateme-2022-set2
quantitative-aptitude
geometry
circle
squares
area
0
answers
0
votes
GATE Mechanical 2022 Set 1 | Question: 20
The figure shows a purely convergent nozzle with a steady, inviscid compressible flow of an ideal gas with constant thermophysical properties operating under choked condition. The exit plane shown in the figure is located within the nozzle. If the ... through the nozzle will increase. Mach number at the exit plane of the nozzle will become more than unity.
makhdoom ghaya
edited
in
Others
Jul 7
by
makhdoom ghaya
100
points
gateme-2022-set1
multiple-selects
1
answer
1
vote
GATE Mechanical 2022 Set 1 | GA Question: 5
A block with a trapezoidal cross-section is placed over a block with rectangular cross section as shown above. Which one of the following is the correct drawing of the view of the $\text{3D}$ object as viewed in the direction indicated by an arrow in the above figure? A. B. C. D.
makhdoom ghaya
edited
in
Spatial Aptitude
Jul 7
by
makhdoom ghaya
100
points
gateme-2022-set1
spatial-aptitude
patterns-in-two-dimensions
0
answers
0
votes
ISRO2009-11
The transition Reynolds number for flow over a flat plate is $5\ast 10^5$. What is the distance from the leading edge at which transition will occur for flow of water with a uniform velocity of $1 \: \text{m/s}?\;($For water, the kinematic viscosity $v=0.86 \ast 10^{-6} \:\text{m}^2\text{/s})$ $0.43\;\text{m}$ $1\;\text{m}$ $43\;\text{m}$ $103\;\text{m}$
Lakshman Patel RJIT
edited
in
Fluid Mechanics
Jun 26
by
Lakshman Patel RJIT
6.9k
points
isro2009
0
answers
0
votes
ISRO2009-10
At the eye tip of a centrifugal impeller, blade velocity is $200 \: \text{m/s}$ while the uniform axial velocity at the inlet is $150 \: \text{m/s}$. If the sonic velocity is $300 \: \text{m/s}$, then the inlet Mach number of the flow will be $0.75$ $0.66$ $0.90$ $0.83$
Lakshman Patel RJIT
edited
in
Power Engineering
Jun 26
by
Lakshman Patel RJIT
6.9k
points
isro2009
0
answers
0
votes
ISRO2009-9
The radiative heat transfer rate per unit area $(W/m2)$ between two plane parallel grey surfaces (emissivity $0.9$) maintained at $400 \: \text{K}$ and $300 \: \text{K}$ is (Stefan Bottzman constant $\sigma=5.67 \times 10^{-6} \;W/m^2K^4)$ $1020$ $464$ $812$ $567$
Lakshman Patel RJIT
edited
in
Heat Transfer
Jun 26
by
Lakshman Patel RJIT
6.9k
points
isro2009
0
answers
0
votes
ISRO2009-8
The pressure drop for a relatively low Reynolds number flow in a $600 \: \text{mm}, \: 30 \: \text{m}$ long pipeline is $70 \;\text{kPa}$. What is the wall shear stress? $0 \;\text{Pa}$ $1400 \;\text{Pa}$ $700 \;\text{Pa}$ $350 \;\text{Pa}$
Lakshman Patel RJIT
edited
in
Fluid Mechanics
Jun 26
by
Lakshman Patel RJIT
6.9k
points
isro2009
0
answers
0
votes
ISRO2009-7
A metallic cube of side $10 \;\text{cm}$, density $6.8 \: gm/cc$ is floating in liquid mercury (density $13.6 \: \text{gm/cc}$), with $5 \;\text{cm}$ height of cube exposed above the mercury level. Water (density $1 \: \text{gm/cc}$) is filled over this, to submerge the cube ... of cube exposed above mercury level is $4.6 \;\text{cm}$ $5.4 \;\text{cm}$ $5.0 \;\text{cm}$ $5.8 \;\text{cm}$
Lakshman Patel RJIT
edited
in
Fluid Mechanics
Jun 26
by
Lakshman Patel RJIT
6.9k
points
isro2009
0
answers
0
votes
ISRO2009-6
A necessary precaution in selection of pumps for parallel operations is that $\text{H-Q}$ characteristics of both should be identical Both pumps should be centrifugal type Both pumps should be identical There should not be change from positive to negative slope in H-Q curve
Lakshman Patel RJIT
edited
in
Power Engineering
Jun 26
by
Lakshman Patel RJIT
6.9k
points
isro2009
0
answers
0
votes
ISRO2009-5
Across a normal shock Static pressure and the static temperature rise entropy remains constant velocity and static pressure decrease density and temperature decrease
Lakshman Patel RJIT
edited
in
Fluid Mechanics
Jun 26
by
Lakshman Patel RJIT
6.9k
points
isro2009
0
answers
0
votes
ISRO2009-4
The relation ${p^{V}}^{\gamma}=$ constant, where $\gamma$ is the ratio of the specific heats of ideal gas, is applicable to Any adiabatic process Only reversible adiabatic process Only irreversible adiabatic process Only isothermal process
Lakshman Patel RJIT
edited
in
Heat Transfer
Jun 26
by
Lakshman Patel RJIT
6.9k
points
isro2009
0
answers
0
votes
ISRO2009-3
The correct sequence of the centrifugal pump components through which the fluid flows is Impeller, Suction pipe, Foot valve and strainer, Delivery pipe Foot valve and strainer, Suction pipe, Impeller, Delivery pipe Impeller, Suction pipe, Delivery pipe, Foot valve and strainer Suction pipe, Delivery pipe, Impeller, Foot valve and strainer
Lakshman Patel RJIT
edited
in
Power Engineering
Jun 26
by
Lakshman Patel RJIT
6.9k
points
isro2009
0
answers
0
votes
ISRO2009-2
If the stream function is given by $\Psi=3xy$, then the velocity at a point $(2,3)$ will be $7.21 \: \text{unit}$ $18 \: \text{unit}$ $10.82 \: \text{unit}$ $54 \: \text{unit}$
Lakshman Patel RJIT
edited
in
Fluid Mechanics
Jun 26
by
Lakshman Patel RJIT
6.9k
points
isro2009
0
answers
0
votes
ISRO2009-1
A hydraulic press has a ram of $15 \: \text{cm}$ diameter and plunger of $1.5 \: \text{cm}$. It is required to lift a mass of $1000 \: \text{kg}$. The force required on plunger is nearly equal to $100\;\text{N}$ $1000\;\text{N}$ $10000\;\text{N}$ $10\;\text{N}$
Lakshman Patel RJIT
edited
in
Fluid Mechanics
Jun 26
by
Lakshman Patel RJIT
6.9k
points
isro2009
1
answer
0
votes
GATE Mechanical 2022 Set 2 | Question: 28
A linear elastic structure under plane stress condition is subjected to two sets of loading, $\text{I}$ and $\text{II}$. The resulting states of stress at a point corresponding to these two loadings are as shown in the figure below. If these two sets of loading are applied ... $\sigma /2$ $\sigma \left ( 1-1/\sqrt{2} \right )$
ARPAN DUTTA
answered
in
Others
May 7
by
ARPAN DUTTA
140
points
gateme-2022-set2
0
answers
0
votes
GATE Mechanical 2022 Set 2 | Question: 37
The lengths of members $\text{BC}$ and $\text{CE}$ in the frame shown in the figure are equal. All the members are rigid and lightweight, and the friction at the joints is negligible. Two forces of magnitude $Q> 0$ are applied as shown, each at the ... the following members do not carry any load (force)? $\text{AB}$ $\text{CD}$ $\text{EF}$ $\text{GH}$
Lakshman Patel RJIT
retagged
in
Others
Mar 21
by
Lakshman Patel RJIT
6.9k
points
gateme-2022-set2
multiple-selects
0
answers
0
votes
GATE Mechanical 2022 Set 2 | Question: 36
$A$ is a $3 \times 5$ real matrix of rank $2$. For the set ot homogeneous equations $Ax = 0$, where $0$ is a zero vector and $x$ is a vector of unknown variables, which of the following is/are true? The given ... size. The given set of equations will have infinitely many solutions. The given set of equations will have many but a finite number of solutions.
Lakshman Patel RJIT
retagged
in
Others
Mar 21
by
Lakshman Patel RJIT
6.9k
points
gateme-2022-set2
multiple-selects
0
answers
0
votes
GATE Mechanical 2022 Set 2 | Question: 19
The velocity field in a fluid is given to be $\vec{V} = \left ( 4xy \right )\hat{i} + 2\left ( x^{2} - y^{2} \right )\hat{j}$. Which of the following statement$(s)$ is/are correct? The velocity field is one-dimensional. The flow is incompressible. The flow is irrotational. The acceleration experienced by a fluid particle is zero at $(x = 0,y = 0)$.
Lakshman Patel RJIT
retagged
in
Others
Mar 21
by
Lakshman Patel RJIT
6.9k
points
gateme-2022-set2
multiple-selects
0
answers
0
votes
GATE Mechanical 2022 Set 2 | Question: 18
Which of these processes involve$(s)$ melting in metallic workpieces? Electrochemical machining Electric discharge machining Laser beam machining Electron beam machining
Lakshman Patel RJIT
retagged
in
Others
Mar 21
by
Lakshman Patel RJIT
6.9k
points
gateme-2022-set2
multiple-selects
0
answers
0
votes
GATE Mechanical 2022 Set 2 | Question: 17
Consider sand casting of a cube of edge length $a$. A cylindrical riser is placed at the top of the casting. Assume solidification time, $t_{s} \:\alpha\: V/A$, where $V$ is the volume and $A$ is the total surface area dissipating heat. If the top of the ... /radii of riser is/are acceptable? $\dfrac{a}{3}$ $\dfrac{a}{2}$ $\dfrac{a}{4}$ $\dfrac{a}{6}$
Lakshman Patel RJIT
retagged
in
Others
Mar 21
by
Lakshman Patel RJIT
6.9k
points
gateme-2022-set2
multiple-selects
0
answers
0
votes
GATE Mechanical 2022 Set 2 | Question: 16
A square plate is supported in four different ways (configurations $(P)$ to $(S)$ as shown in the figure). A couple moment $C$ is applied on the plate. Assume all the members to be rigid and mass-less, and all joints to ... one or more of the following support configurations? Configuration $(P)$ Configuration $(Q)$ Configuration $(R)$ Configuration $(S)$
Lakshman Patel RJIT
retagged
in
Others
Mar 21
by
Lakshman Patel RJIT
6.9k
points
gateme-2022-set2
multiple-selects
0
answers
0
votes
GATE Mechanical 2022 Set 1 | Question: 36
The system of linear equations in real $\left ( x,y \right )$ given by $\left ( x \: y \right )\begin{bmatrix} 2 &5 - 2 \alpha \\ \alpha & 1 \end{bmatrix} = \left ( 0\:0 \right )$ involves a real parameter $\alpha$ and has infinitely many non-trivial solutions for special ... $\alpha$? $x = 2, y = -2$ $x = -1, y = 4$ $x = 1, y = 1$ $x = 4, y = -2$
Lakshman Patel RJIT
retagged
in
Others
Mar 21
by
Lakshman Patel RJIT
6.9k
points
gateme-2022-set1
multiple-selects
0
answers
0
votes
GATE Mechanical 2022 Set 1 | Question: 19
Which of the following methods can improve the fatigue strength of a circular mild steel $\text{(MS)}$ shaft? Enhancing surface finish Shot peening of the shaft Increasing relative humidity Reducing relative humidity
Lakshman Patel RJIT
retagged
in
Others
Mar 21
by
Lakshman Patel RJIT
6.9k
points
gateme-2022-set1
multiple-selects
0
answers
0
votes
GATE Mechanical 2022 Set 1 | Question: 18
Which of the following additive manufacturing technique(s) can use a wire as a feedstock material? Stereolithography Fused deposition modeling Selective laser sintering Directed energy deposition processes
Lakshman Patel RJIT
retagged
in
Others
Mar 21
by
Lakshman Patel RJIT
6.9k
points
gateme-2022-set1
multiple-selects
0
answers
0
votes
GATE Mechanical 2022 Set 1 | Question: 17
Which of the following heat treatment processes is/are used for surface hardening of steels? Carburizing Cyaniding Annealing Carbonitriding
Lakshman Patel RJIT
retagged
in
Others
Mar 21
by
Lakshman Patel RJIT
6.9k
points
gateme-2022-set1
multiple-selects
0
answers
0
votes
GATE Mechanical 2022 Set 1 | Question: 16
Assuming the material considered in each statement is homogeneous, isotropic, linear elastic, and the deformations are in the elastic range, which one or more of the following statement(s) is/are TRUE? A body subjected to hydrostatic pressure ... a beam has zero shear force, then the corresponding portion of the elastic curve of the beam is always straight.
Lakshman Patel RJIT
retagged
in
Others
Mar 21
by
Lakshman Patel RJIT
6.9k
points
gateme-2022-set1
multiple-selects
1
answer
1
vote
GATE Mechanical 2022 Set 1 | GA Question: 10
In a $12$-hour clock that runs correctly, how many times do the second, minute, and hour hands of the clock coincide, in a $12$-hour duration from $3$ PM in a day to $3$ AM the next day? $11$ $12$ $144$ $2$
Lakshman Patel RJIT
answer edited
in
Quantitative Aptitude
Mar 2
by
Lakshman Patel RJIT
6.9k
points
gateme-2022-set1
quantitative-aptitude
clock-time
1
answer
1
vote
GATE Mechanical 2022 Set 2 | GA Question: 9
Four cities $\text{P, Q, R}$ and $\text{S}$ are connected through one-way routes as shown in the figure. The travel time between any two connected cities is one hour. The boxes beside each city name describe the starting time of first train of the ... required? $6$ hours $30$ minutes $3$ hours $45$ minutes $4$ hours $30$ minutes $5$ hours $15$ minutes
Lakshman Patel RJIT
recategorized
in
Analytical Aptitude
Mar 2
by
Lakshman Patel RJIT
6.9k
points
gateme-2022-set2
analytical-aptitude
logical-reasoning
1
answer
1
vote
GATE Mechanical 2022 Set 2 | GA Question: 4
A person was born on the fifth Monday of February in a particular year. Which one of the following statements is correct based on the above information? The $2^{\text{nd}}$ February of that year is a Tuesday There will be five Sundays in the ... year The $1^{\text{st}}$ February of that year is a Sunday All Mondays of February in that year have even dates
Lakshman Patel RJIT
answer edited
in
Quantitative Aptitude
Mar 1
by
Lakshman Patel RJIT
6.9k
points
gateme-2022-set2
quantitative-aptitude
calendar
1
answer
2
votes
GATE Mechanical 2022 Set 2 | GA Question: 5
Which one of the groups given below can be assembled to get the shape that is shown above using each piece only once without overlapping with each other? (rotation and translation operations may be used).
Lakshman Patel RJIT
answered
in
Spatial Aptitude
Mar 1
by
Lakshman Patel RJIT
6.9k
points
gateme-2022-set2
spatial-aptitude
assembling-pieces
0
answers
0
votes
GATE Mechanical 2022 Set 2 | Question: 11
Match the additive manufacturing technique in Column $\text{I}$ with its corresponding input material in Column $\text{II}$. Additive manufacturing technique (Column $\text{I}$) Input material (Column $\text{II}$) $P$ Fused deposition modelling $1$ Photo sensitive liquid resin $Q$ Laminated object ... $P -2, Q -3, R -1$ $P -4, Q -1, R -4$
soujanyareddy13
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in
Others
Feb 24
by
soujanyareddy13
100
points
gateme-2022-set2
0
answers
0
votes
GATE Mechanical 2022 Set 2 | Question: 10
A shaft of diameter $25_{-0.07}^{-0.04}$ $\text{mm}$ is assembled in a hole of diameter $25_{-0.00}^{+0.02}$ $\text{mm}$. Match the allowance and limit parameter in Column $\text{I}$ with its corresponding quantitative value in Column $\text{II}$ for this shaft-hole assembly. Allowance ... $P -1, Q -3, R -2$ $P -1, Q -3 R -4$ $P -3, Q -1, R -2$
soujanyareddy13
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in
Others
Feb 24
by
soujanyareddy13
100
points
gateme-2022-set2
0
answers
0
votes
GATE Mechanical 2022 Set 2 | Question: 9
Fluidity of a molten alloy during sand casting depends on its solidification range. The phase diagram of a hypothetical binary alloy of components $A$ and $B$ is shown in the figure with its eutectic composition and temperature. All the lines in this phase diagram, ... the solidification range is $400^{\circ}C$ $250^{\circ}C$ $800^{\circ}C$ $150^{\circ}C$
soujanyareddy13
edited
in
Others
Feb 24
by
soujanyareddy13
100
points
gateme-2022-set2
0
answers
0
votes
GATE Mechanical 2022 Set 2 | Question: 7
A massive uniform rigid circular disc is mounted on a frictionless bearing at the end $E$ of a massive uniform rigid shaft $\text{AE}$ which is suspended horizontally in a uniform gravitational field by two identical light inextensible strings ... about the positive $y$-axis direction rotate slowly (compared to $\omega$) about the negative $y$-axis direction
soujanyareddy13
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in
Others
Feb 24
by
soujanyareddy13
100
points
gateme-2022-set2
0
answers
0
votes
GATE Mechanical 2022 Set 2 | Question: 2
Consider a cube of unit edge length and sides parallel to co-ordinate axes, with its centroid at the point $(1, 2, 3)$. The surface integral $\int _{A} \vec{F}.d\vec{A}$ of a vector field $\vec{F} = 3x\hat{i} + 5y\hat{j} + 6z\hat{k}$ over the entire surface $A$ of the cube is _____________. $14$ $27$ $28$ $31$
soujanyareddy13
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Others
Feb 24
by
soujanyareddy13
100
points
gateme-2022-set2
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