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

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

Effects of unbalances are proportional to the square of the speed

Effects of unbalances are directly proportional to the speed

Unbalanced couples are caused only at higher speeds

Unbalanced forces are not dangerous at higher speeds

Effects of unbalances are proportional to the square of the speed

Effects of unbalances are directly proportional to the speed

Unbalanced couples are caused only at higher speeds

Unbalanced forces are not dangerous at higher speeds

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Theory of Machine
When two pulleys of different diameters are connected by means of an open belt, the angle of contact at the ________ pulley must be taken into consideration.

None of the listed here

Smaller OR Larger

Smaller

Larger

None of the listed here

Smaller OR Larger

Smaller

Larger

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Theory of Machine
Angle of action of cam is defined as the angle

Of rotation of the cam for a definite displacement of the follower

Moved by the cam from beginning of ascent to the termination of descent

Moved by the cam from the instant the follower begins to rise, till it reaches its highest position

Through which the cam rotates during the period in which the follower remains in the highest position

Of rotation of the cam for a definite displacement of the follower

Moved by the cam from beginning of ascent to the termination of descent

Moved by the cam from the instant the follower begins to rise, till it reaches its highest position

Through which the cam rotates during the period in which the follower remains in the highest position

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Theory of Machine
A slider crank chain consists of following numbers of turning and sliding pairs

4, 0

3, 1

2, 2

1, 3

4, 0

3, 1

2, 2

1, 3

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Theory of Machine
When the belt is stationary, it is subjected to some tension known as initial tension. The value of this tension is equal to the

Average tension of the tight side and slack side of the belt

Tension in the slack side of the belt

Sum of the tensions on the tight side and slack side of the belt

Tension in the tight side of the belt

Average tension of the tight side and slack side of the belt

Tension in the slack side of the belt

Sum of the tensions on the tight side and slack side of the belt

Tension in the tight side of the belt

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Theory of Machine
The velocity of sliding of meshing gear teeth is (Where ω₁ and ω₂ are angular velocities of meshing gears and ‘y’ is distance between point of contact and the pitch point)

(ω₁ × ω₂) y

(ω₁ + ω₂)/y

(ω₁ + ω₂) y

(ω₁/ω₂) y

(ω₁ × ω₂) y

(ω₁ + ω₂)/y

(ω₁ + ω₂) y

(ω₁/ω₂) y

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Theory of Machine

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 When two pulleys of different diameters are connected by means of an open belt, the angle of contact at the ________ pulley must be taken into consideration.

Theory of Machine Angle of action of cam is defined as the angle

Theory of Machine A slider crank chain consists of following numbers of turning and sliding pairs

Theory of Machine When the belt is stationary, it is subjected to some tension known as initial tension. The value of this tension is equal to the

Theory of Machine The velocity of sliding of meshing gear teeth is (Where ω₁ and ω₂ are angular velocities of meshing gears and ‘y’ is distance between point of contact and the pitch point)

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
When two pulleys of different diameters are connected by means of an open belt, the angle of contact at the ________ pulley must be taken into consideration.

Theory of Machine
Angle of action of cam is defined as the angle

Theory of Machine
A slider crank chain consists of following numbers of turning and sliding pairs

Theory of Machine
When the belt is stationary, it is subjected to some tension known as initial tension. The value of this tension is equal to the

Theory of Machine
The velocity of sliding of meshing gear teeth is (Where ω₁ and ω₂ are angular velocities of meshing gears and ‘y’ is distance between point of contact and the pitch point)