In a four stroke I.C. engine, the turning moment during the compression stroke is

Theory of Machine
In a four stroke I.C. engine, the turning moment during the compression stroke is

Positive throughout

Positive during major portion of the stroke

Negative throughout

Negative during major portion of the stroke

Positive throughout

Positive during major portion of the stroke

Negative throughout

Negative during major portion of the stroke

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Theory of Machine
The two parallel and coplanar shafts are connected by gears having teeth parallel to the axis of the shaft. This arrangement is known as

Helical gearing

Bevel gearing

Spur gearing

Spiral gearing

Helical gearing

Bevel gearing

Spur gearing

Spiral gearing

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Theory of Machine
Ackermann steering gear consists of

Higher pairs

Rolling pairs

Sliding pairs

Turning pairs

Higher pairs

Rolling pairs

Sliding pairs

Turning pairs

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Theory of Machine
When a body moves with simple harmonic motion, the product of its periodic time and frequency is equal to

One

π/2

π

Zero

One

π/2

π

Zero

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Theory of Machine
The magnitude of velocities of the points on a rigid link is

Directly proportional to the distance from the points to the instantaneous center and is parallel to the line joining the point to the instantaneous center

Directly proportional to the distance from the points to the instantaneous center and is perpendicular to the line joining the point to the instantaneous center

Inversely proportional to the distance from the points to the instantaneous center and is perpendicular to the line joining the point to the instantaneous center

Inversely proportional to the distance from the points to the instantaneous center and is parallel to the line joining the point to the instantaneous center

Directly proportional to the distance from the points to the instantaneous center and is parallel to the line joining the point to the instantaneous center

Directly proportional to the distance from the points to the instantaneous center and is perpendicular to the line joining the point to the instantaneous center

Inversely proportional to the distance from the points to the instantaneous center and is perpendicular to the line joining the point to the instantaneous center

Inversely proportional to the distance from the points to the instantaneous center and is parallel to the line joining the point to the instantaneous center

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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 (1 - cosθ)

R (1 - sinθ)

(R - r₁) (1 - sinθ)

(R - r₁) (1 - cosθ)

R (1 - cosθ)

R (1 - sinθ)

(R - r₁) (1 - sinθ)

(R - r₁) (1 - cosθ)

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Theory of Machine

Theory of Machine In a four stroke I.C. engine, the turning moment during the compression stroke is

Theory of Machine The two parallel and coplanar shafts are connected by gears having teeth parallel to the axis of the shaft. This arrangement is known as

Theory of Machine Ackermann steering gear consists of

Theory of Machine When a body moves with simple harmonic motion, the product of its periodic time and frequency is equal to

Theory of Machine The magnitude of velocities of the points on a rigid link is

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
In a four stroke I.C. engine, the turning moment during the compression stroke is

Theory of Machine
The two parallel and coplanar shafts are connected by gears having teeth parallel to the axis of the shaft. This arrangement is known as

Theory of Machine
Ackermann steering gear consists of

Theory of Machine
When a body moves with simple harmonic motion, the product of its periodic time and frequency is equal to

Theory of Machine
The magnitude of velocities of the points on a rigid link is

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)