In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO. The acceleration of the piston P with respect to the crank-pin C is given by

Theory of Machine
In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO. The acceleration of the piston P with respect to the crank-pin C is given by

ω² × QN

ω² × CN

ω² × NO

ω² × CO

ω² × QN

ω² × CN

ω² × NO

ω² × CO

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Theory of Machine
In considering friction of a V-thread, the virtual coefficient of friction (μ₁) is given by

μ₁ = μ/cos β

μ₁ = μ/sin β

μ₁ = μ cos β

μ₁ = μ sin β

μ₁ = μ/cos β

μ₁ = μ/sin β

μ₁ = μ cos β

μ₁ = μ sin β

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Theory of Machine
The primary unbalanced force is maximum _________ in one revolution of the crank.

Twice

Four times

Sixteen times

Eight times

Twice

Four times

Sixteen times

Eight times

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Theory of Machine
The displacement of a flat faced follower when it has contact with the flank of a circular arc cam, is given by (where R = Radius of flank, r₁ = Minimum radius of the cam, and θ = Angle turned through by the cam)

(R - r₁) (1 - cosθ)

R (1 - cosθ)

R (1 - sinθ)

(R - r₁) (1 - sinθ)

(R - r₁) (1 - cosθ)

R (1 - cosθ)

R (1 - sinθ)

(R - r₁) (1 - sinθ)

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Theory of Machine
The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity ω₁ rad/s in the clockwise direction and the link OB turns with angular velocity ω₂ rad/s in the clockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O)

(ω₁ - ω₂)2r

(ω₁ + ω₂)r

(ω₁ - ω₂)r

ω₁.ω₂.r

(ω₁ - ω₂)2r

(ω₁ + ω₂)r

(ω₁ - ω₂)r

ω₁.ω₂.r

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Theory of Machine
Rectangular bar in a rectangular hole is the following type of pair

Completely constrained motion

Incompletely constrained motion

Freely constrained motion

Partially constrained motion

Completely constrained motion

Incompletely constrained motion

Freely constrained motion

Partially constrained motion

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Theory of Machine

Theory of Machine In considering friction of a V-thread, the virtual coefficient of friction (μ₁) is given by

Theory of Machine The primary unbalanced force is maximum _________ in one revolution of the crank.

Theory of Machine The displacement of a flat faced follower when it has contact with the flank of a circular arc cam, is given by (where R = Radius of flank, r₁ = Minimum radius of the cam, and θ = Angle turned through by the cam)

Theory of Machine Rectangular bar in a rectangular hole is the following type of pair

Theory of Machine
In considering friction of a V-thread, the virtual coefficient of friction (μ₁) is given by

Theory of Machine
The primary unbalanced force is maximum _________ in one revolution of the crank.

Theory of Machine
The displacement of a flat faced follower when it has contact with the flank of a circular arc cam, is given by (where R = Radius of flank, r₁ = Minimum radius of the cam, and θ = Angle turned through by the cam)

Theory of Machine
Rectangular bar in a rectangular hole is the following type of pair