THEORY OF MACHINE QUIZ

In a four bar chain or quadric cycle chain

Each of the four pairs is a turning pair

Three are turning pairs and one is a sliding pair

Two are turning pairs and two are sliding pairs

One is a turning pair and three are sliding pairs

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Cylindrical cams can be classified as

Circular

None of these

Tangent

Reciprocating

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The inversion of a mechanism is

Changing of a higher pair to a lower pair

Obtained by fixing different links in a kinematic chain

Obtained by reversing the input and output motion

Turning its upside down

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Cam size depends upon

Outer circle

Pitch circle

Base circle

Prime circle

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A point on a link connecting double slider crank chain traces a

Hyperbola

Ellipse

Circle

Parabola

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The maximum or minimum value of the swaying couple is

± a (1 - c) m.ω².r

± c.m.ω².r

± 2a (1 - c) m.ω².r

± (a/√2) (1 - c) m.ω².r

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If there are L number of links in a mechanism, then number of possible inversions is equal to

L - 1

L

L + 2

L + 1

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Scotch yoke mechanism is used to generate

Logarithms

Inversions

Square roots

Sine functions

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Cross head and guides form a

Turning pair

Lower pair

Sliding pair

Higher pair

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The C.G. of a link in any mechanism would experience

No acceleration

Both angular and linear accelerations

Angular acceleration

Linear acceleration

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