A torsional system with discs of moment of inertia I₁ and I₂ as shown in the below figure, is gear driven such that the ratio of speed of shaft B to shaft A is 'G'. Neglecting the inertia of gears, the equivalent inertia of disc on shaft B at the speed of shaft A is equal to

Theory of Machine
A torsional system with discs of moment of inertia I₁ and I₂ as shown in the below figure, is gear driven such that the ratio of speed of shaft B to shaft A is 'G'. Neglecting the inertia of gears, the equivalent inertia of disc on shaft B at the speed of shaft A is equal to

G.I₂

I₂/G²

G².I₂

I₂/G

G.I₂

I₂/G²

G².I₂

I₂/G

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

Incompletely constrained motion

Freely constrained motion

Partially constrained motion

Completely constrained motion

Incompletely constrained motion

Freely constrained motion

Partially constrained motion

Completely constrained motion

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Theory of Machine
The pitching of a ship produces forces on the bearings which act __________ to the motion of the ship.

Horizontally and parallel

Vertically and perpendicular

Horizontally and perpendicular

Vertically and parallel

Horizontally and parallel

Vertically and perpendicular

Horizontally and perpendicular

Vertically and parallel

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Theory of Machine
The velocity of the reciprocating roller follower when it has contact with the straight flanks of the tangent cam, is given by (where ω = Angular velocity of the cam shaft)

ω (r₁ r₂) cosθ

ω (r₁ + r₂) cosθ cosec2θ

ω (r₁ r₂) sinθ

ω (r₁ + r₂) sinθ sec2θ

ω (r₁ r₂) cosθ

ω (r₁ + r₂) cosθ cosec2θ

ω (r₁ r₂) sinθ

ω (r₁ + r₂) sinθ sec2θ

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Theory of Machine
The static balancing is satisfactory for low speed rotors but with increasing speeds, dynamic balancing becomes necessary. This is because, the

Unbalanced forces are not dangerous at higher speeds

Effects of unbalances are directly proportional to the speed

Unbalanced couples are caused only at higher speeds

Effects of unbalances are proportional to the square of the speed

Unbalanced forces are not dangerous at higher speeds

Effects of unbalances are directly proportional to the speed

Unbalanced couples are caused only at higher speeds

Effects of unbalances are proportional to the square of the speed

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Theory of Machine
In a ball bearing, ball and bearing forms a

Rolling pair

Screw pair

Turning pair

Spherical pair

Rolling pair

Screw pair

Turning pair

Spherical pair

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Theory of Machine

Theory of Machine A torsional system with discs of moment of inertia I₁ and I₂ as shown in the below figure, is gear driven such that the ratio of speed of shaft B to shaft A is 'G'. Neglecting the inertia of gears, the equivalent inertia of disc on shaft B at the speed of shaft A is equal to

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

Theory of Machine The pitching of a ship produces forces on the bearings which act __________ to the motion of the ship.

Theory of Machine The velocity of the reciprocating roller follower when it has contact with the straight flanks of the tangent cam, is given by (where ω = Angular velocity of the cam shaft)

Theory of Machine The static balancing is satisfactory for low speed rotors but with increasing speeds, dynamic balancing becomes necessary. This is because, the

Theory of Machine In a ball bearing, ball and bearing forms a

Theory of Machine
A torsional system with discs of moment of inertia I₁ and I₂ as shown in the below figure, is gear driven such that the ratio of speed of shaft B to shaft A is 'G'. Neglecting the inertia of gears, the equivalent inertia of disc on shaft B at the speed of shaft A is equal to

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

Theory of Machine
The pitching of a ship produces forces on the bearings which act __________ to the motion of the ship.

Theory of Machine
The velocity of the reciprocating roller follower when it has contact with the straight flanks of the tangent cam, is given by (where ω = Angular velocity of the cam shaft)

Theory of Machine
The static balancing is satisfactory for low speed rotors but with increasing speeds, dynamic balancing becomes necessary. This is because, the

Theory of Machine
In a ball bearing, ball and bearing forms a