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Recent questions tagged gateme-2017-set2
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GATE2017 ME-2: 30
Block $2$ slides outward on link $1$ at a uniform velocity of $6$ m/s as shown in the figure. Link $1$ is rotating at a constant angular velocity of $20$ radian/s counterclockwise. The magnitude of the total acceleration (in $m/s^{2}$) of point $P$ of the block with respect to fixed point $O$ is __________.
Arjun
asked
in
Applied Mechanics and Design
Feb 27, 2017
by
Arjun
27.4k
points
gateme-2017-set2
numerical-answers
applied-mechanics-and-design
machine-design
dynamic-analysis-of-linkages
0
answers
0
votes
GATE2017 ME-2: 25
It is desired to make a product having $T$-shaped cross-section from a rectangular aluminium block. Which one of the following processes is expected to provide the highest strength of the product? Welding Casting Metal forming Machining
Arjun
asked
in
Materials, Manufacturing and Industrial Engineering
Feb 27, 2017
by
Arjun
27.4k
points
gateme-2017-set2
materials-manufacturing-and-industrial-engineering
casting-forming-and-joining-process
0
answers
0
votes
GATE2017 ME-2: 23
For a single server with Poisson and exponential service time, the arrival rate is $12$ per hour. Which one of the following service rates will provide a steady state finite queue length? $6$ per hour $10$ per hour $12$ per hour $24$ per hour
Arjun
asked
in
Applied Mechanics and Design
Feb 27, 2017
by
Arjun
27.4k
points
gateme-2017-set2
applied-mechanics-and-design
mechanics-of-materials
poisson's-ratio
0
answers
0
votes
GATE2017 ME-2: 22
Given the atomic weight of Fe is $56$ and that of $C$ is $12$, the weight percentage of carbon in cementite $(Fe_{3}C)$ is _________.
Arjun
asked
in
Applied Mechanics and Design
Feb 27, 2017
by
Arjun
27.4k
points
gateme-2017-set2
numerical-answers
applied-mechanics-and-design
1
answer
0
votes
GATE2017 ME-2: 21
The crystal structure of aluminium is. body-centered cubic. face-centered cubic. close-packed hexagonal. body-centered tetragonal.
Arjun
asked
in
Applied Mechanics and Design
Feb 27, 2017
by
Arjun
27.4k
points
gateme-2017-set2
numerical-answers
applied-mechanics-and-design
0
answers
0
votes
GATE2017 ME-2: 20
Which one of the following statements is TRUE for the ultrasonic machining (USM) process? In USM, the tool vibrates at subsonic frequency. USM does not employ magnetostrictive transducer. USM is an excellent process for machining ductile materials. USM often uses a slurry comprising abrasive-particles and water.
Arjun
asked
in
Materials, Manufacturing and Industrial Engineering
Feb 27, 2017
by
Arjun
27.4k
points
gateme-2017-set2
numerical-answers
materials-manufacturing-and-industrial-engineering
computer-integrated-manufacturing
0
answers
0
votes
GATE2017 ME-2: 19
The emissive power of a blackbody is $P$. If its absolute temperature is doubled, the emissive power becomes $2 P$ $4 P$ $8 P$ $16 P$
Arjun
asked
in
Heat Transfer
Feb 27, 2017
by
Arjun
27.4k
points
gateme-2017-set2
numerical-answers
black-and-grey-surfaces
heat-transfer
fluid-mechanics-and-thermal-science
0
answers
0
votes
GATE2017 ME-2: 18
The heat loss from a fin is $6$ W. The effectiveness and efficiency of the fin are $3$ and $0.75$, respectively. The heat loss (in W) from the fin, keeping the entire fin surface at base temperature, is _______.
Arjun
asked
in
Heat Transfer
Feb 27, 2017
by
Arjun
27.4k
points
gateme-2017-set2
numerical-answers
fluid-mechanics-and-thermal-science
heat-transfer
0
answers
0
votes
GATE2017 ME-2: 17
Consider a laminar flow at zero incidence over a flat plate. The shear stress at the wall is denoted by $\tau _{w}$. The axial positions $x_{1}$ and $x_{2}$ on the plate are measured from the leading edge in the direction of flow. If $x_{2} > x_{1}$ ... $\tau _{w}\mid _{x_{1}} < \tau _{w}\mid _{x_{2}}$
Arjun
asked
in
Fluid Mechanics
Feb 27, 2017
by
Arjun
27.4k
points
gateme-2017-set2
fluid-mechanics-and-thermal-science
fluid-mechanics
0
answers
0
votes
GATE2017 ME-2: 16
For the stability of a floating body the Centre of buoyancy must coincide with the centre of gravity. Centre of buoyancy must be above the centre of gravity. Centre of gravity must be above the centre of buoyancy. Metacentre must be above the centre of gravity.
Arjun
asked
in
Fluid Mechanics
Feb 27, 2017
by
Arjun
27.4k
points
gateme-2017-set2
fluid-mechanics-and-thermal-science
fluid-mechanics
buoyancy
1
answer
0
votes
GATE2017 ME-2: 15
If a mass of moist air contained in a closed metallic vessel is heated, then its Relative humidity decreases. Relative humidity increases. Specific humidity increases. Specific humidity decreases.
Arjun
asked
in
Thermodynamics
Feb 27, 2017
by
Arjun
27.4k
points
gateme-2017-set2
fluid-mechanics-and-thermal-science
thermodynamics
0
answers
0
votes
GATE2017 ME-2: 14
A mass $m$ of a perfect gas at pressure $p_{1}$ and volume $V_{1}$ undergoes an isothermal process. The final pressure is $p_{2}$ and volume is $V_{2}$. The work done on the system is considered positive. If $R$ is the gas constant and $T$ is the temperature, then the work done in the ... $RT \ln \dfrac{V_{2}}{V_{1}} \\$ $-mRT \ln \dfrac{P_{2}}{P_{1}}$
Arjun
asked
in
Thermodynamics
Feb 27, 2017
by
Arjun
27.4k
points
gateme-2017-set2
fluid-mechanics-and-thermal-science
thermodynamics
0
answers
0
votes
GATE2017 ME-2: 13
Which one of the following statements is TRUE? Both Pelton and Francis turbines are impulse turbines. Francis turbine is a reaction turbine but Kaplan turbine is an impulse turbine. Francis turbine is an axial-flow reaction turbine. Kaplan turbine is an axial-flow reaction turbine.
Arjun
asked
in
Applications
Feb 27, 2017
by
Arjun
27.4k
points
gateme-2017-set2
fluid-mechanics-and-thermal-science
applications
0
answers
0
votes
GATE2017 ME-2: 12
In a slider-crank mechanism, the lengths of the crank and the connecting rod are $100$ mm and $160$ mm, respectively. The crank is rotating with an angular velocity of $10$ radian/s counter-clockwise. The magnitude of linear velocity (in m/s) of the piston at the instant corresponding to the configuration shown in the figure is ________.
Arjun
asked
in
Applied Mechanics and Design
Feb 27, 2017
by
Arjun
27.4k
points
gateme-2017-set2
numerical-answers
applied-mechanics-and-design
machine-design
0
answers
0
votes
GATE2017 ME-2: 11
A machine component made of a ductile material is subjected to a variable loading with $\sigma _{\text{min}}=-50$ MPa and $\sigma _{\text{max}}=-50$ MPa. If the corrected endurance limit and the yield strength for the material are $\sigma '_{e}=100$ MPa and $\sigma _{y}=300$ MPa, respectively, the factor of safety is ________.
Arjun
asked
in
Materials, Manufacturing and Industrial Engineering
Feb 27, 2017
by
Arjun
27.4k
points
gateme-2017-set2
numerical-answers
materials-manufacturing-and-industrial-engineering
metrology-and-inspection
0
answers
0
votes
GATE2017 ME-2: 10
A steel bar is held by two fixed supports as shown in the figure and is subjected to an increase of temperature $\Delta T=100^{\circ}C$. If the coefficient of thermal expansion and Young's modulus of elasticity of steel are $11 \times 10^{-6}/^{\circ} C$ and $200$ GPa, respectively, the magnitude of thermal stress (in MPa) induced in the bar is _______
Arjun
asked
in
Heat Transfer
Feb 27, 2017
by
Arjun
27.4k
points
gateme-2017-set2
numerical-answers
fluid-mechanics-and-thermal-science
heat-transfer
0
answers
0
votes
GATE2017 ME-2: 5
The Laplace transform of $te^{t}$ is $\dfrac{s}{(s+1)^{2}} \\$ $\dfrac{1}{(s-1)^{2}} \\$ $\dfrac{1}{(s+1)^{2}} \\$ $\dfrac{s}{(s-1)}$
Arjun
asked
in
Differential Equations
Feb 27, 2017
by
Arjun
27.4k
points
gateme-2017-set2
differential-equations
laplace-transforms
0
answers
0
votes
GATE2017 ME-2: 4
A sample of $15$ data is as follows: $17, 18, 17, 17, 13, 18, 5, 5, 6, 7, 8, 9, 20, 17, 3$. The mode of the data is $4$ $13$ $17$ $20$
Arjun
asked
in
Probability and Statistics
Feb 27, 2017
by
Arjun
27.4k
points
gateme-2017-set2
probability-and-statistics
statistics
mode-and-standard-deviation
1
answer
0
votes
GATE2017 ME-2: 3
The determinant of a $2 \times 2$ matrix is $50$. If one eigenvalue of the matrix is $10$, the other eigenvalue is _________.
Arjun
asked
in
Linear Algebra
Feb 27, 2017
by
Arjun
27.4k
points
gateme-2017-set2
numerical-answers
linear-algebra
matrices
eigen-values
0
answers
0
votes
GATE2017 ME-2: 2
The divergence of the vector $-yi+xj$ is ________.
Arjun
asked
in
Calculus
Feb 27, 2017
by
Arjun
27.4k
points
gateme-2017-set2
numerical-answers
calculus
vector-identities
divergence-and-curl
0
answers
0
votes
GATE2017 ME-2: 1
Two coins are tossed simultaneously. The probability (upto two decimal points accuracy) of getting at least one head is _______.
Arjun
asked
in
Probability and Statistics
Feb 27, 2017
by
Arjun
27.4k
points
gateme-2017-set2
numerical-answers
probability-and-statistics
probability
0
answers
0
votes
GATE2017 ME-2: 9
The cantilever beam of Length $L$ and Flexural modulus $EI$ is subjected to a point load $P$ at the free end. The elastic strain energy stored in the beam due to bending (neglecting transverse shear) is $\dfrac{P^{2}L^{3}}{6EI} \\$ $\dfrac{P^{2}L^{3}}{3EI} \\$ $\dfrac{PL^{3}}{3EI} \\$ $\dfrac{PL^{3}}{6EI}$
Arjun
asked
in
Applied Mechanics and Design
Feb 27, 2017
by
Arjun
27.4k
points
gateme-2017-set2
applied-mechanics-and-design
mechanics-of-materials
deflection-of-beams
0
answers
0
votes
GATE2017 ME-2: 8
For a loaded cantilever beam of uniform cross-section, the bending moment (in N.mm) along the length is $M(x)=5x^{2}+10x$, where $x$ is the distance (in mm) measured from the free end of the beam. The magnitude of shear force (in N) in the cross-section at $x=10$ mm is __________.
Arjun
asked
in
Mechanics of Materials
Feb 27, 2017
by
Arjun
27.4k
points
gateme-2017-set2
numerical-answers
shear-force-and-bending-moment-diagrams
mechanics-of-materials
applied-mechanics-and-design
0
answers
0
votes
GATE2017 ME-2: 7
The state of stress at a point is $\sigma _{x}=\sigma _{y}=\sigma _{z}=\tau _{xz}=\tau _{zx}=\tau _{yz}=\tau _{zy}=0$ and $\tau _{xy}=\tau _{yx}=50$ MPa. The maximum normal stress (in MPa) at that point is ________.
Arjun
asked
in
Applied Mechanics and Design
Feb 27, 2017
by
Arjun
27.4k
points
gateme-2017-set2
numerical-answers
applied-mechanics-and-design
mechanics-of-materials
stress-strain
0
answers
0
votes
GATE2017 ME-2: 6
A mass $m$ is attached to two identical springs having spring constant $k$ as shown in the figure. The natural frequency $\omega$ of this single degree of freedom system is $\sqrt{\dfrac{2k}{m}} \\$ $\sqrt{\dfrac{k}{m}} \\$ $\sqrt{\dfrac{k}{2m}} \\ $ $\sqrt{\dfrac{4k}{m}}$
Arjun
asked
in
Applied Mechanics and Design
Feb 27, 2017
by
Arjun
27.4k
points
gateme-2017-set2
applied-mechanics-and-design
machine-design
springs
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