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GATE Mechanical 2021 Set 2 | Question: 5
The size distribution of the powder particles used in Powder Metallurgy process can be determined by Laser scattering Laser reflection Laser absorption Laser penetration
The size distribution of the powder particles used in Powder Metallurgy process can be determined byLaser scatteringLaser reflectionLaser absorptionLaser penetration
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GATE Mechanical 2021 Set 1 | Question: 6
The loading and unloading response of a metal is shown in the figure. The elastic and plastic strains corresponding to $\text{200 MPa}$, respectively, are $0.01$ and $0.01$ $0.02$ and $0.01$ $0.01$ and $0.02$ $0.02$ and $0.02$
The loading and unloading response of a metal is shown in the figure. The elastic and plastic strains corresponding to $\text{200 MPa}$, respectively, are$0.01$ and $0.01...
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GATE Mechanical 2024 | Question: 2
​​The value of the surface integral $\oiint_{S} z d x d y$ where $S$ is the external surface of the sphere $x^{2}+y^{2}+z^{2}=R^{2}$ is $0$ $4 \pi R^{3}$ $\frac{4 \pi}{3} R^{3}$ $\pi R^{3}$
​​The value of the surface integral$\oiint_{S} z d x d y$ where $S$ is the external surface of the sphere $x^{2}+y^{2}+z^{2}=R^{2}$ is$0$$4 \pi R^{3}$$\frac{4 \pi}{3}...
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GATE ME 2012 | Question: 35
The inverse Laplace transform of the function $F(s) = \dfrac{1}{s(s+1)}$ is given by $f(t) = \sin t$ $f(t) = e^{-t} \sin t$ $f(t) = e^{-t}$ $f(t) = 1-e^{-t}$
The inverse Laplace transform of the function $F(s) = \dfrac{1}{s(s+1)}$ is given by$f(t) = \sin t$$f(t) = e^{-t} \sin t$$f(t) = e^{-t}$$f(t) = 1-e^{-t}$
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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
Which of the following methods can improve the fatigue strength of a circular mild steel $\text{(MS)}$ shaft?Enhancing surface finishShot peening of the shaftIncreasing r...
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GATE Mechanical 2024 | Question: 22
​​​​The most suitable electrode material used for joining low alloy steels using Gas Metal Arc Welding $\text{(GMAW)}$ process is copper cadmium low alloy steel tungsten
​​​​The most suitable electrode material used for joining low alloy steels using Gas Metal Arc Welding $\text{(GMAW)}$ process iscoppercadmiumlow alloy steeltungs...
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GATE Mechanical 2022 Set 2 | Question: 30
A spring mass damper system (mass $m$, stiffness $k$, and damping coefficient $c$) excited by a force $F(t) = B \sin w t$, where $B$, $w$ and $t$ are the amplitude, frequency and time, respectively, is shown in the figure. Four different responses of ...
A spring mass damper system (mass $m$, stiffness $k$, and damping coefficient $c$) excited by a force $F(t) = B \sin w t$, where $B$, $w$ and $t$ are the amplitude, frequ...
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GATE Mechanical 2021 Set 2 | Question: 38
A spot welding operation performed on two pieces of steel yielded a nugget with a diameter of $\text{5 mm}$ and a thickness of $\text{1 mm}$. The welding time was $\text{0.1 s}$ ... $\text{kW} (\textit{round off to two decimal places}$).
A spot welding operation performed on two pieces of steel yielded a nugget with a diameter of $\text{5 mm}$ and a thickness of $\text{1 mm}$. The welding time was $\text{...
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GATE Mechanical 2023 | Question: 33
A cylindrical rod of length $h$ and diameter $d$ is placed inside a cubic enclosure of side length $L. S$ denotes the inner surface of the cube. The view-factor $F_{S-S}$ is $0$ $1$ $\frac{\left(\pi d h+\pi d^2 / 2\right)}{6 L^2}$ $1-\frac{\left(\pi d h+\pi d^2 / 2\right)}{6 L^2}$
A cylindrical rod of length $h$ and diameter $d$ is placed inside a cubic enclosure of side length $L. S$ denotes the inner surface of the cube. The view-factor $F_{S-S}$...
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GATE2020-ME-2: 20
A beam of negligible mass is hinged at support $P$ and has a roller support $Q$ as shown in the figure. A point load of $1200 \: N$ is applied at point $R$. The magnitude of the reaction force at support $Q$ is _________ $N$.
A beam of negligible mass is hinged at support $P$ and has a roller support $Q$ as shown in the figure.A point load of $1200 \: N$ is applied at point $R$. The magnitude ...
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GATE2020-ME-2: 31
A helical spring has spring constant $k$. If the wire diameter, spring diameter and the number of coils are all doubled then the spring constant of the new spring becomes $k/2$ $k$ $8k$ $16k$
A helical spring has spring constant $k$. If the wire diameter, spring diameter and the number of coils are all doubled then the spring constant of the new spring becomes...
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GATE Mechanical 2022 Set 2 | Question: 26
For the exact differential equation, $\frac{du}{dx}= \frac{-xu^{2}}{2+x^{2}u},$ which one of the following is the solution? $u^{2} + 2x^{2} =$ constant $xu^{2} + u =$ constant $\frac{1}{2}x^{2}u^{2} + 2u =$ constant $\frac{1}{2}ux^{2} + 2x =$ constant
For the exact differential equation,$$\frac{du}{dx}= \frac{-xu^{2}}{2+x^{2}u},$$which one of the following is the solution?$u^{2} + 2x^{2} =$ constant$xu^{2} + u =$ const...
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GATE Mechanical 2024 | Question: 53
In an arc welding process, the voltage and current are $30 \mathrm{~V}$ and $200 \mathrm{~A}$, respectively. The cross-sectional area of the joint is $20 \mathrm{~mm}^{2}$ ... $2$ decimal places).
In an arc welding process, the voltage and current are $30 \mathrm{~V}$ and $200 \mathrm{~A}$, respectively. The cross-sectional area of the joint is $20 \mathrm{~mm}^{2}...
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GATE Mechanical 2022 Set 1 | Question: 11
In a linear programming problem, if a resource is not fully utilized, the shadow price of that resource is positive negative zero infinity
In a linear programming problem, if a resource is not fully utilized, the shadow price of that resource ispositivenegativezeroinfinity
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GATE2020-ME-2: 29
The sun (S) and the Planet (P) of an epicyclic gear train shown in the figure have identical number of teeth. If the sun (S) and the outer ring (R) gears are rotated in the same direction with angular speed $\omega_S$ and $\omega_R$ ... $\dfrac{3}{4} \omega _R - \dfrac{1}{4} \omega _S $
The sun (S) and the Planet (P) of an epicyclic gear train shown in the figure have identical number of teeth.If the sun (S) and the outer ring (R) gears are rotated in th...
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