Scotch yoke mechanism is used to generate

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In Scotch yoke mechanism, the crank is fixed in order to obtain the inversion.

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Match list I with list II List I List II A. Scott-Russel 1. Intemittent mechanism motion B. Geneva 2. Quick return mechanism motion C. Offset slider crank 3. Simple motion harmonic mechanism D. Scotch Yoke 4. Straight line mechanism motion

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Inversion of a kinematic chain relative to some other links is a property of the chain and is not that of the mechanism.

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What is the number of instantaneous centres of rotation for a 6-link mechanism?

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For one degree of freedom planer mechanism having links, which one of the following is the possible combination?

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Ina kinematic inversion, the relative motions between links of the mechanism change as different links are made the frame by turns.

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Oldham’s coupling is used to transmit power between two parallel shafts which are slightly offset.

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In Oldham’s coupling the condition for maximum speed ratio is

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In a shaping operation, the average cutting speed is ( Stroke length S, Number of strokes per minute N, Quick return ratio R)

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The relative acceleration of two points which are at variable distance apart on a moving link can be determined by using the

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Which of the following mechanism is used to convert reciprocating motion into rotary motion?

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A crank and slotted lever mechanism used in a shaper has a centre distance of 300 mm between the centre of oscillation of the slotted lever and the centre of rotation of the crank. The radius of the crank is 120 mm. Find the ratio of the time of cutting to the time of return stroke.

asked Sep 24, 2022 in Machine Kinematics by Leo (38.0k points)

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Which of the mechanism is used to convert rotary motion into a reciprocating motion?

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Find the ratio of the time of cutting to the time of return stroke from the following information: A crank and slotted lever mechanism used in a shaper has a centre distance of 0.300 m between the centre of oscillation of the slotted lever and the centre of rotation of the crank. The radius of the crank is 0.120 m.

asked Sep 24, 2022 in Machine Kinematics by Leo (38.0k points)

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The mechanism used in a shaping machine is

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Which of the following mechanism is used for connecting two parallel shafts whose axes are at a small distance apart?

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Which of the following mechanism is mostly used in shaping and slotting machines?

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Find the ratio of the time of cutting to the time of return stroke from the following information: In a crank and slotted lever quick return motion mechanism, the distance between the fixed centres is 0.240 m and the length of the driving crank is 0.120 m.

asked Sep 25, 2022 in Machine Kinematics by Leo (38.0k points)

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When a mechanism is required to transmit power or to do some particular type of work, then it becomes a machine.

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An eccentric sheave pivoted at one point rotates and transmits oscillatory motion to a link whose one end is pivoted and other end is connected to it. This mechanism has

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The mechanism forms a structure, when the number of degrees of freedom (n) is equal to

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In a crank and slotted lever type quick return mechanism, the link moves with an angular velocity of 20 rad/s, while the slider moves with the linear velocity of 1.5 m/s. The magnitude and direction of Coriolis component of acceleration with respect to angular velocity are

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If the number of links in a mechanism are equal to l, then the number of possible inversions are equal to

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For a kinematic chain to be considered as mechanism

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Find the length of stroke if the length of the slotted bar is 0.45m and LOS passes through the free end of the lever. Length of driving crank = 0.12m, distance between fixe centres = 0.24m. Crank and slotted lever quick return motion mechanism.

asked Sep 25, 2022 in Machine Kinematics by Leo (38.0k points)

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