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Recent activity in Machine Design
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GATE2020-ME-1: 37
In a disc-type axial clutch, the frictional contact takes place within an annular region with outer and inner diameters $250\:mm$ and $50\:mm$, respectively. An axial force $F_{1}$ is needed to transmit a torque by a new clutch. However, to transmit the same ... coefficient of friction does not change, then the ratio $F_{1}/F_{2}$ is _________ (round off to $2$ decimal places).
In a disc-type axial clutch, the frictional contact takes place within an annular region with outer and inner diameters $250\:mm$ and $50\:mm$, respectively. An axial for...
Lakshman Bhaiya
21.7k
points
Lakshman Bhaiya
recategorized
Mar 6, 2021
Machine Design
gateme-2020-set1
numerical-answers
brakes-and-clutches
machine-design
applied-mechanics-and-design
+
–
0
answers
0
votes
GATE2019 ME-1: 7
A spur gear with $20^{\circ}$ full depth teeth is transmitting $20 \: kW$ at $200 \: rad/s$. The pitch circle diameter of the gear is $100 \: mm$. The magnitude of the force applied on the gear in the radial direction is $0.36 \: kN$ $0.73 \: kN$ $1.39 \: kN$ $2.78 \: kN$
A spur gear with $20^{\circ}$ full depth teeth is transmitting $20 \: kW$ at $200 \: rad/s$. The pitch circle diameter of the gear is $100 \: mm$. The magnitude of the fo...
Lakshman Bhaiya
21.7k
points
Lakshman Bhaiya
recategorized
Mar 5, 2021
Machine Design
gateme-2019-set1
gears
machine-design
applied-mechanics-and-design
+
–
0
answers
0
votes
GATE2018-1-32
A self-aligning ball bearing has a basic dynamic load rating $(C_{10}$, for $10^6$ revolutions) of $35$ kN. If the equivalent radial load on the bearing is $45$ kN, the expected life (in $10^6$ revolutions) is below $0.5$ $0.5$ to $0.8$ $0.8$ to $1.0$ above $1.0$
A self-aligning ball bearing has a basic dynamic load rating $(C_{10}$, for $10^6$ revolutions) of $35$ kN. If the equivalent radial load on the bearing is $45$ kN, the e...
Lakshman Bhaiya
21.7k
points
Lakshman Bhaiya
recategorized
Mar 5, 2021
Machine Design
gateme-2018-set1
machine-design
applied-mechanics-and-design
+
–
0
answers
0
votes
GATE2018-1-8
For an Oldham coupling used between two shafts, which among the following statements are correct? Torsional load is transferred along shaft axis A velocity ratio of $1:2$ between shafts is obtained without using gears Bending load id transferred transverse to shaft axis Rotation is transferred along shaft axis I and III I and IV II and III II and IV
For an Oldham coupling used between two shafts, which among the following statements are correct?Torsional load is transferred along shaft axisA velocity ratio of $1:2$ b...
Lakshman Bhaiya
21.7k
points
Lakshman Bhaiya
recategorized
Mar 5, 2021
Machine Design
gateme-2018-set1
machine-design
applied-mechanics-and-design
+
–
0
answers
0
votes
GATE2017 ME-1: 20
Cylindrical pins of diameter $15^{\pm0.020}$ mm are being produced on a machine. Statistical quality control tests show a mean of $14.995$ mm and standard deviation of $0.004$ mm. The process capability index $Cp$ is $0.833$ $1.667$ $3.333$ $3.750$
Cylindrical pins of diameter $15^{\pm0.020}$ mm are being produced on a machine. Statistical quality control tests show a mean of $14.995$ mm and standard deviation of $0...
Lakshman Bhaiya
21.7k
points
Lakshman Bhaiya
recategorized
Mar 5, 2021
Machine Design
gateme-2017-set1
machine-design
+
–
0
answers
0
votes
GATE2015-2-23
During the development of a product, an entirely new process plan is made based on design logic, examination of geometry and tolerance information. This type of process planning is known as retrieval generative variant group technology based
During the development of a product, an entirely new process plan is made based on design logic, examination of geometry and tolerance information. This type of process p...
Lakshman Bhaiya
21.7k
points
Lakshman Bhaiya
recategorized
Mar 4, 2021
Machine Design
gateme-2015-set2
machine-design
applied-mechanics-and-design
+
–
1
answers
0
votes
GATE2015-2-5
Three vendors were asked to supply a very high precision component. The respective probabilities of their meeting the strict design specifications are $0.8$, $0.7$ and $0.5$. Each vendor supplies one component. The probability that out of total three components supplied by the vendors, at least one will meet the design specification is ___________
Three vendors were asked to supply a very high precision component. The respective probabilities of their meeting the strict design specifications are $0.8$, $0.7$ and $0...
Lakshman Bhaiya
21.7k
points
Lakshman Bhaiya
recategorized
Mar 4, 2021
Machine Design
gateme-2015-set2
numerical-answers
machine-design
applied-mechanics-and-design
+
–
0
answers
0
votes
GATE Mechanical 2014 Set 1 | Question: 45
In a simple concentric shaft-bearing arrangement, the lubricant flows in the $2$ $mm$ gap between the shaft and the bearing. The flow may be assumed to be a plane Couette flow with zero pressure gradient. The diameter of the shaft is $100$ $mm$ and ... $0.1$ $kg/m.s$. The frictional resisting force (in newton) per $100$ $mm$ length of the bearing is _______
In a simple concentric shaft-bearing arrangement, the lubricant flows in the $2$ $mm$ gap between the shaft and the bearing. The flow may be assumed to be a plane Couette...
Lakshman Bhaiya
21.7k
points
Lakshman Bhaiya
recategorized
Mar 4, 2021
Machine Design
gateme-2014-set1
numerical-answers
shafts
machine-design
applied-mechanics-and-design
+
–
0
answers
0
votes
GATE2020-ME-2: 10
Two plates, each of $6$ mm thickness, are to be butt-welded. Consider the following processes and select the correct sequence in increasing order of size of the heat affected zone. Arc welding MIG welding Laser beam welding Submerged arc welding $1-4-2-3$ $3-4-2-1$ $4-3-2-1$ $3-2-4-1$
Two plates, each of $6$ mm thickness, are to be butt-welded. Consider the following processes and select the correct sequence in increasing order of size of the heat affe...
soujanyareddy13
100
points
soujanyareddy13
recategorized
Nov 16, 2020
Machine Design
gateme-2020-set2
machine-design
applied-mechanics-and-design
+
–
0
answers
0
votes
GATE2019 ME-2: 7
A spur gear has pitch circle diameter $D$ and number of teeth $T$. The circular pitch of the gear is $\dfrac{\pi D}{T} \\$ $\dfrac{T}{D} \\$ $\dfrac{D}{T} \\$ $\dfrac{2 \pi D}{T}$
A spur gear has pitch circle diameter $D$ and number of teeth $T$. The circular pitch of the gear is $\dfrac{\pi D}{T} \\$$\dfrac{T}{D} \\$$\dfrac{D}{T} \\$$\dfrac{2 \pi ...
soujanyareddy13
100
points
soujanyareddy13
retagged
Nov 12, 2020
Machine Design
gateme-2019-set2
gears
machine-design
applied-mechanics-and-design
+
–
0
answers
0
votes
GATE2018-2-38
A bar is subjected to a combination of a steady load of $60 \: kN$ and a load fluctuating between $-10 \: kN$ and $90 \: kN$. The corrected endurance limit of the bar is $150 \: MPa$, the yield strength of the material is $480 \: MPa$ and the ... safety is $2$, the value of $a$ (in $mm$), according to the modified Goodman's criterion, is _____ (correct to two decimal places).
A bar is subjected to a combination of a steady load of $60 \: kN$ and a load fluctuating between $-10 \: kN$ and $90 \: kN$. The corrected endurance limit of the bar is ...
go_editor
5.0k
points
go_editor
edited
Jan 17, 2020
Machine Design
gateme-2018-set2
numerical-answers
+
–
0
answers
0
votes
GATE2018-2-8
Pre-tensioning of a bolted joint is used to strain harden the bolt head decrease stiffness of the bolted joint increase stiffness of the bolted joint prevent yielding of the thread root
Pre-tensioning of a bolted joint is used tostrain harden the bolt headdecrease stiffness of the bolted jointincrease stiffness of the bolted jointprevent yielding of the ...
go_editor
5.0k
points
go_editor
edited
Jan 15, 2020
Machine Design
gateme-2018-set2
+
–
0
answers
0
votes
GATE2018-2-6
A frictionless gear train is shown in the figure. The leftmost $12$-teeth gear is given a torque of $100 \: N-m$. The output torque from the $60$-teeth gear on the right in $N-m$ is $5$ $20$ $500$ $2000$
A frictionless gear train is shown in the figure. The leftmost $12$-teeth gear is given a torque of $100 \: N-m$. The output torque from the $60$-teeth gear on the right ...
go_editor
5.0k
points
go_editor
edited
Jan 15, 2020
Machine Design
gateme-2018-set2
+
–
0
answers
0
votes
GATE2018-1-53
The schematic of an external drum rotating clockwise engaging with a short shoe is shown in the figure. The shoe is mounted at point Y on a rigid lever XYZ hinged at point X. A force $F=100$ N is applied at the free end of the lever as shown. Given that the ... the shoe and the drum is $0.3$, the braking torque in (Nm) applied on the drum is _____ (correct to two decimal places)
The schematic of an external drum rotating clockwise engaging with a short shoe is shown in the figure. The shoe is mounted at point Y on a rigid lever XYZ hinged at poin...
go_editor
5.0k
points
go_editor
edited
Jan 15, 2020
Machine Design
gateme-2018-set1
numerical-answers
+
–
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