In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The minimum length of the coupler will be

Theory of Machine
In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The minimum length of the coupler will be

45 mm

95 mm

Slightly less than 45 mm

Slightly more than 45 mm

45 mm

95 mm

Slightly less than 45 mm

Slightly more than 45 mm

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Theory of Machine
Longitudinal vibrations are said to occur when the particles of a body moves

In a circle about its axis

Parallel to its axis

Perpendicular to its axis

None of these

In a circle about its axis

Parallel to its axis

Perpendicular to its axis

None of these

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Theory of Machine
The maximum fluctuation of energy is the

Variations of energy above and below the mean resisting torque line

Difference between the maximum and minimum energies

Ratio of the mean resisting torque to the work-done per cycle

Sum of the maximum and minimum energies

Variations of energy above and below the mean resisting torque line

Difference between the maximum and minimum energies

Ratio of the mean resisting torque to the work-done per cycle

Sum of the maximum and minimum energies

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Theory of Machine
In a Hartnell governor, the stiffness of the spring is given by (where S1 and S2 = Spring forces exerted on the sleeve at max. and min. radii of rotation, and h = Compression of the spring)

(S₁ + S₂) / 2h

(S₁ - S₂) / 2h

(S₁ - S₂) / h

(S₁ + S₂) / h

(S₁ + S₂) / 2h

(S₁ - S₂) / 2h

(S₁ - S₂) / h

(S₁ + S₂) / h

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Theory of Machine
A friction circle is a circle drawn when a journal rotates in a bearing. Its radius depends upon the coefficient of friction and the

Clearance between journal and bearing

Angular velocity of journal

Magnitude of the forces on journal

Radius of journal

Clearance between journal and bearing

Angular velocity of journal

Magnitude of the forces on journal

Radius of journal

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Theory of Machine
The type of pair formed by two elements which are so connected that one is constrained to turn or revolve about a fixed axis of another element is known as

Rolling pair

Spherical pair

Turning pair

Sliding pair

Rolling pair

Spherical pair

Turning pair

Sliding pair

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Theory of Machine

Theory of Machine In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The minimum length of the coupler will be

Theory of Machine Longitudinal vibrations are said to occur when the particles of a body moves

Theory of Machine The maximum fluctuation of energy is the

Theory of Machine In a Hartnell governor, the stiffness of the spring is given by (where S1 and S2 = Spring forces exerted on the sleeve at max. and min. radii of rotation, and h = Compression of the spring)

Theory of Machine A friction circle is a circle drawn when a journal rotates in a bearing. Its radius depends upon the coefficient of friction and the

Theory of Machine The type of pair formed by two elements which are so connected that one is constrained to turn or revolve about a fixed axis of another element is known as

Theory of Machine
In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The minimum length of the coupler will be

Theory of Machine
Longitudinal vibrations are said to occur when the particles of a body moves

Theory of Machine
The maximum fluctuation of energy is the

Theory of Machine
In a Hartnell governor, the stiffness of the spring is given by (where S1 and S2 = Spring forces exerted on the sleeve at max. and min. radii of rotation, and h = Compression of the spring)

Theory of Machine
A friction circle is a circle drawn when a journal rotates in a bearing. Its radius depends upon the coefficient of friction and the

Theory of Machine
The type of pair formed by two elements which are so connected that one is constrained to turn or revolve about a fixed axis of another element is known as