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Recent questions tagged gateme-2014-set3
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GATE Mechanical 2014 Set 3 | Question: 25
The hot tearing in a metal casting is due to high fluidity high melt temperature wide range of solidification temperature low coefficient of thermal expansion
Arjun
asked
in
Materials, Manufacturing and Industrial Engineering
Feb 19, 2017
by
Arjun
27.4k
points
gateme-2014-set3
materials-manufacturing-and-industrial-engineering
casting-forming-and-joining-process
solidification-and-cooling
0
answers
0
votes
GATE Mechanical 2014 Set 3 | Question: 24
The stress-strain curve for mild steel is shown in the figure given below. Choose the correct option referring to both figure and table. ... $P-3, Q-4, R-1, S-5,T-2, U-6$ $P-4, Q-1, R-5, S-2,T-3, U-6$
Arjun
asked
in
Applied Mechanics and Design
Feb 19, 2017
by
Arjun
27.4k
points
gateme-2014-set3
applied-mechanics-and-design
mechanics-of-materials
stress-strain
0
answers
0
votes
GATE Mechanical 2014 Set 3 | Question: 23
Cutting tool is much harder than the workpiece. Yet the tool wears out during the tool-work interaction, because extra hardness is imparted to the workpiece due to coolant used oxide layers on the workpiece surface impart extra hardness to it extra hardness is imparted to the workpiece due to severe rate of strain vibration is induced in the machine tool
Arjun
asked
in
Materials, Manufacturing and Industrial Engineering
Feb 19, 2017
by
Arjun
27.4k
points
gateme-2014-set3
materials-manufacturing-and-industrial-engineering
machining-and-machine-tools-operations
tool-geometry-and-materials
0
answers
0
votes
GATE Mechanical 2014 Set 3 | Question: 22
Match the casting defects (Group A) with the probable causes (Group B): ... $P-4, Q-3, R-2, S-1$ $P-3, Q-4, R-2, S-1$ $P-1, Q-2, R-4, S-3$
Arjun
asked
in
Materials, Manufacturing and Industrial Engineering
Feb 19, 2017
by
Arjun
27.4k
points
gateme-2014-set3
materials-manufacturing-and-industrial-engineering
casting-forming-and-joining-process
different-types-of-casting
0
answers
0
votes
GATE Mechanical 2014 Set 3 | Question: 21
A minimal spanning tree in network flow models involves all the nodes with cycle/loop allowed all the nodes with cycle/loop not allowed shortest path between start and end nodes all the nodes with directed arcs
Arjun
asked
in
Operations Research
Feb 19, 2017
by
Arjun
27.4k
points
gateme-2014-set3
network-flow-models
operations-research
materials-manufacturing-and-industrial-engineering
0
answers
0
votes
GATE Mechanical 2014 Set 3 | Question: 20
A straight turning operation is carried out using a single point cutting tool on an AISI $1020$ steel rod. The feed is $0.2$ $mm/rev$ and the depth of cut is $0.5$ $mm$. The tool has a side cutting edge angle of $60^{\circ}$. The uncut chip thickness (in $mm$) is _______
Arjun
asked
in
Materials, Manufacturing and Industrial Engineering
Feb 19, 2017
by
Arjun
27.4k
points
gateme-2014-set3
numerical-answers
materials-manufacturing-and-industrial-engineering
machining-and-machine-tools-operations
tool-life-and-wear
0
answers
0
votes
GATE Mechanical 2014 Set 3 | Question: 18
The process utilizing mainly thermal energy for removing material is Ultrasonic Matching Electrochemical Matching Abrasive Jet Matching Laser Beam Matching
Arjun
asked
in
Engineering Mechanics
Feb 19, 2017
by
Arjun
27.4k
points
gateme-2014-set3
engineering-mechanics
laser-beam-matching
0
answers
0
votes
GATE Mechanical 2014 Set 3 | Question: 19
The actual sales of a product in different months of a particular year are given below: ... $4$-month moving average method, for the month of February is _______
Arjun
asked
in
Materials, Manufacturing and Industrial Engineering
Feb 19, 2017
by
Arjun
27.4k
points
gateme-2014-set3
numerical-answers
materials-manufacturing-and-industrial-engineering
operations-research
linear-programming
0
answers
0
votes
GATE Mechanical 2014 Set 3 | Question: 17
A sample of moist air at a total pressure of $85$ $kPa$ has a dry bulb temperature of $30^oC$ (saturation vapour pressure of water = $4.24$ $kPa$). If the air sample has a relative humidity of $65$%, the absolute humidity (in gram) of water vapour per $kg$ of dry air is _______
Arjun
asked
in
Heat Transfer
Feb 19, 2017
by
Arjun
27.4k
points
gateme-2014-set3
numerical-answers
fluid-mechanics-and-thermal-science
heat-transfer
0
answers
0
votes
GATE Mechanical 2014 Set 3 | Question: 16
A source at a temperature of $500$ $K$ provides $1000$ $kJ$ of heat. The temperature of environment is $27^oC$. The maximum useful work (in $kJ$) that can be obtained from the heat source is _______
Arjun
asked
in
Heat Transfer
Feb 19, 2017
by
Arjun
27.4k
points
gateme-2014-set3
numerical-answers
fluid-mechanics-and-thermal-science
heat-transfer
0
answers
0
votes
GATE Mechanical 2014 Set 3 | Question: 15
For a gas turbine power plant, identify the correct pair of statements. P. Smaller in size compared to steam power plant for same power output Q. Starts quickly compared to steam power plant R. Works on the principle of Rankine cycle S. Good compatibility with solid fuel P, Q R, S Q, R P, S
Arjun
asked
in
Applications
Feb 19, 2017
by
Arjun
27.4k
points
gateme-2014-set3
fluid-mechanics-and-thermal-science
applications
vapour-and-gas-power-cycles
0
answers
0
votes
GATE Mechanical 2014 Set 3 | Question: 14
Consider the turbulent flow of a fluid through a circular pipe of diameter, D. Identify the correct pair of statements. The fluid is well-mixed The fluid is unmixed $Re_D$ < $2300$ $Re_D$ > $2300$ $I, III$ $II, IV$ $II, III$ $I, IV$
Arjun
asked
in
Applications
Feb 19, 2017
by
Arjun
27.4k
points
gateme-2014-set3
fluid-mechanics-and-thermal-science
applications
turbomachinery
0
answers
0
votes
GATE Mechanical 2014 Set 3 | Question: 13
Which one of the following pairs of equations describes an irreversible heat engine? $\oint \delta Q> 0$ and $\oint \dfrac{\delta Q}{T} < 0 \\$ $\oint \delta Q< 0$ and $\oint \dfrac{\delta Q}{T} < 0 \\$ $\oint \delta Q> 0$ and $\oint \dfrac{\delta Q}{T} > 0 \\$ $\oint \delta Q< 0$ and $\oint \dfrac{\delta Q}{T} > 0$
Arjun
asked
in
Applications
Feb 19, 2017
by
Arjun
27.4k
points
gateme-2014-set3
fluid-mechanics-and-thermal-science
applications
i
c-engines
0
answers
0
votes
GATE Mechanical 2014 Set 3 | Question: 12
Consider a long cylindrical tube of inner and outer radii, $r_i$ and $r_o$ , respectively, length, $L$ and thermal conductivity, $k$. Its inner and outer surfaces are maintained at $T_i$ and $T_o$ , respectively ( $T_i > T_o$ ). Assuming one-dimensional steady ... $\dfrac{1}{4\pi kL}\ln \bigg (\dfrac{r_o}{r_i} \bigg )$
Arjun
asked
in
Mechanics of Materials
Feb 19, 2017
by
Arjun
27.4k
points
gateme-2014-set3
thin-cylinders
mechanics-of-materials
applied-mechanics-and-design
0
answers
0
votes
GATE Mechanical 2014 Set 3 | Question: 11
Gear $2$ rotates at $1200$ $rpm$ in counter clockwise direction and engages with Gear $3$. Gear $3$ and Gear $4$ are mounted on the same shaft. Gear $5$ engages with Gear $4$. The numbers of teeth on Gears $2$, $3$, $4$ ... angular speed of Gear $5$ is $300$ $rpm$ counterclockwise $300$ $rpm$ clockwise $4800$ $rpm$ counterclockwise $4800$ $rpm$ clockwise
Arjun
asked
in
Applied Mechanics and Design
Feb 19, 2017
by
Arjun
27.4k
points
gateme-2014-set3
applied-mechanics-and-design
theory-of-machines
gears-and-gear-trains
0
answers
0
votes
GATE Mechanical 2014 Set 3 | Question: 10
Which one of following is NOT correct? Intermediate principal stress is ignored when applying the maximum principal stress theory The maximum shear stress theory gives the most accurate results amongst all the failure theories As per ... the maximum distortion energy theory, failure occurs when the distortion energy per unit volume exceeds a critical value
Arjun
asked
in
Applied Mechanics and Design
Feb 19, 2017
by
Arjun
27.4k
points
gateme-2014-set3
applied-mechanics-and-design
mechanics-of-materials
stress-strain
0
answers
0
votes
GATE Mechanical 2014 Set 3 | Question: 9
A mass $m_1$ of $100$ $kg$ traveling with a uniform velocity of $5$ $m/s$ along a line collides with a stationary mass $m_2$ of $1000$ $kg$. After the collision, both the masses travel together with the same velocity. The coefficient of restitution is $0.6$ $0.1$ $0.01$ $0$
Arjun
asked
in
Applied Mechanics and Design
Feb 19, 2017
by
Arjun
27.4k
points
gateme-2014-set3
theory-of-mechanics
applied-mechanics-and-design
0
answers
0
votes
GATE Mechanical 2014 Set 3 | Question: 8
Consider a single degree-of-freedom system with viscous damping excited by a harmonic force. At resonance, the phase angle (in degree) of the displacement with respect to the exciting force is $0$ $45$ $90$ $135$
Arjun
asked
in
Vibrations
Feb 19, 2017
by
Arjun
27.4k
points
gateme-2014-set3
effect-of-damping
vibrations
applied-mechanics-and-design
0
answers
0
votes
GATE Mechanical 2014 Set 3 | Question: 7
Two solid circular shafts of radii $R_1$ and $R_2$ are subjected to same torque. The maximum shear stresses developed in the two shafts are $\tau _1$ and $\tau _2$. If $R_1$/ $R_2$=$2$, then $\tau _2/\tau _1$ is _______
Arjun
asked
in
Applied Mechanics and Design
Feb 19, 2017
by
Arjun
27.4k
points
gateme-2014-set3
numerical-answers
applied-mechanics-and-design
mechanics-of-materials
shear-stress
0
answers
0
votes
GATE Mechanical 2014 Set 3 | Question: 6
A rotating steel shaft is supported at the ends. It is subjected to a point load at the center. The maximum bending stress developed is $100$ $MPa$. If the yield, ultimate and corrected endurance strength of the shaft material are $300$ $MPa$, $500$ $MPa$ and $200$ $MPa$, respectively, then the factor of safety for the shaft is _______
Arjun
asked
in
Applied Mechanics and Design
Feb 19, 2017
by
Arjun
27.4k
points
gateme-2014-set3
numerical-answers
applied-mechanics-and-design
mechanics-of-materials
torsion-of-circular-shafts
0
answers
0
votes
GATE Mechanical 2014 Set 3 | Question: 1
Consider a $3×3$ real symmetric matrix S such that two of its eigenvalues are $a\neq 0$, $b\neq 0$ with respective eigenvectors $\begin{bmatrix} x_1\\ x_2\\ x_3 \end{bmatrix}$, $\begin{bmatrix} y_1\\ y_2\\ y_3 \end{bmatrix}$ If $a\neq b$ then $x_1y_1+x_2y_2+x_3y_3$ equals $a$ $b$ $ab$ $0$
Arjun
asked
in
Linear Algebra
Feb 19, 2017
by
Arjun
27.4k
points
gateme-2014-set3
linear-algebra
matrices
eigen-values
eigen-vectors
0
answers
0
votes
GATE Mechanical 2014 Set 3 | Question: 4
A group consists of equal number of men and women. Of this group $20$% of the men and $50$% of the women are unemployed. If a person is selected at random from this group, the probability of the selected person being employed is _______
Arjun
asked
in
Probability and Statistics
Feb 19, 2017
by
Arjun
27.4k
points
gateme-2014-set3
numerical-answers
probability-and-statistics
probability
0
answers
0
votes
GATE Mechanical 2014 Set 3 | Question: 3
Divergence of the vector field $x_2z\hat{i}+xy\hat{j}-yz\hat{k}$ at $(1,-1,1)$ is $0$ $3$ $5$ $6$
Arjun
asked
in
Calculus
Feb 19, 2017
by
Arjun
27.4k
points
gateme-2014-set3
calculus
vector-identities
divergence-and-curl
0
answers
0
votes
GATE Mechanical 2014 Set 3 | Question: 2
If a function is continuous at a point, the limit of the function may not exist at the point the function must be derivable at the point the limit of the function at the point tends to infinity the limit must exist at the point and the value of limit should be same as the value of the function at that point
Arjun
asked
in
Calculus
Feb 19, 2017
by
Arjun
27.4k
points
gateme-2014-set3
calculus
limits
0
answers
0
votes
GATE Mechanical 2014 Set 3 | Question: 5
The definite integral $\int_{1}^{3}\dfrac{1}{x}$ is evaluated using Trapezoidal rule with a step size of $1$. The correct answer is _______
Arjun
asked
in
Numerical Methods
Feb 19, 2017
by
Arjun
27.4k
points
gateme-2014-set3
numerical-answers
numerical-methods
integration-by-trapezoidal-and-simpsons-rule
engineering-mathematics
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