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Recent questions and answers in Theory of Machines
0
votes
1
answer
GATE2019239
A four bar mechanism is shown in the figure. The link numbers are mentioned near the links. Input link 2 is rotating anticlockwise with a constant angular speed $\omega_2$. Length of different links are: $O_2=O_2A=L,$ $AB=O_4B=\sqrt{2}L$. The magnitude of the angular ... $O_2O_4$ as shown. The ratio $\frac{\omega_4}{\omega_2}$ is _____ (round off to two decimal places).
answered
Feb 20
in
Theory of Machines
by
Jamir
(
140
points)
gate20192
numericalanswers
0
votes
0
answers
GATE201925
A rigid triangular body, PQR, with sides of equal length of $1$ unit moves on a flat plane. At the instant shown, edge QR is parallel to the $x$axis, and the body moves such that velocities of points P and R are $V_P$ and $V_R$, in the $x$ and $y$ directions, respectively. The magnitude of the angular velocity of the body is $2V_R$ $2V_P$ $V_R/\sqrt{3}$ $V_P/\sqrt{3}$
asked
Feb 9
in
Theory of Machines
by
Arjun
(
21.5k
points)
gate20192
0
votes
0
answers
GATE2018232
In a camfollower, the follower rises by $h$ as the cam rotates by $\delta$ (radians) at constant angular velocity $\omega$ (radians/s). The follower is uniformly accelerating during the first half of the rise period and it is uniformly decelerating in aht latter half of the ... velocity of the follower is $\frac{4h \omega}{\delta}$ $h \omega$ $\frac{2h \omega}{\delta}$ $2h \omega$
asked
Feb 17, 2018
in
Theory of Machines
by
Arjun
(
21.5k
points)
gate20182
0
votes
0
answers
GATE2018141
A slider crank mechanism is shown in the figure. At some instant, the crank angle is 45$^o$ and force of 40 N is acting towards the left on the slider. The length of the crank is 30 mm and the connecting rod is 70 mm. Ignoring the effect ... forces, the magnitude of the crankshaft torque (in Nm) needed to keep the mechanism in equilibrium is ______ (correct to two decimal places)
asked
Feb 17, 2018
in
Theory of Machines
by
Arjun
(
21.5k
points)
gate20181
0
votes
0
answers
GATE2014336
Consider a rotating disk cam and a translating roller follower with zero offset. Which one of the following pitch curves, parameterized by $t$, lying in the interval $0$ to $2π$ ... $cost$ , $y(t)=2sint$ $x(t)$= $\frac{1}{2}$+$cost$ , $y(t)=sint$
asked
Feb 19, 2017
in
Theory of Machines
by
Arjun
(
21.5k
points)
gate20143
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