In S.H.M., acceleration is proportional to

Theory of Machine
In S.H.M., acceleration is proportional to

Rate of change of velocity

Displacement

Velocity

All of these

Rate of change of velocity

Displacement

Velocity

All of these

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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)r

ω₁.ω₂.r

(ω₁ - ω₂)r

(ω₁ - ω₂)2r

(ω₁ + ω₂)r

ω₁.ω₂.r

(ω₁ - ω₂)r

(ω₁ - ω₂)2r

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Theory of Machine
In a reciprocating steam engine, which of the following forms a kinematic link?

Piston rod and connecting rod

Flywheel and engine frame

Crankshaft and flywheel

Cylinder and piston

Piston rod and connecting rod

Flywheel and engine frame

Crankshaft and flywheel

Cylinder and piston

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Theory of Machine
Effort of a governor is the

Work-done at the sleeve for maximum equilibrium speed

None of these

Mean force exerted at the sleeve for a given percentage change of speed

Mean force exerted at the sleeve for maximum equilibrium speed

Work-done at the sleeve for maximum equilibrium speed

None of these

Mean force exerted at the sleeve for a given percentage change of speed

Mean force exerted at the sleeve for maximum equilibrium speed

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Theory of Machine
The steering of a ship means

Turning of a complete ship in a curve towards right or left, while it moves forward

None of these

Movement of a complete ship up and down in vertical plane about transverse axis

Rolling of a complete ship sideways

Turning of a complete ship in a curve towards right or left, while it moves forward

None of these

Movement of a complete ship up and down in vertical plane about transverse axis

Rolling of a complete ship sideways

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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 perpendicular 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

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

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

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

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

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

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

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Theory of Machine

Theory of Machine In S.H.M., acceleration is proportional to

Theory of Machine In a reciprocating steam engine, which of the following forms a kinematic link?

Theory of Machine Effort of a governor is the

Theory of Machine The steering of a ship means

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

Theory of Machine
In S.H.M., acceleration is proportional to

Theory of Machine
In a reciprocating steam engine, which of the following forms a kinematic link?

Theory of Machine
Effort of a governor is the

Theory of Machine
The steering of a ship means

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