In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The minimum length of the coupler will be

Theory of Machine
In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The minimum length of the coupler will be

Slightly less than 45 mm

Slightly more than 45 mm

45 mm

95 mm

Slightly less than 45 mm

Slightly more than 45 mm

45 mm

95 mm

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Theory of Machine
In order to balance the reciprocating masses,

Secondary forces and couples must be balanced

None of these

Primary forces and couples must be balanced

Both (A) and (B)

Secondary forces and couples must be balanced

None of these

Primary forces and couples must be balanced

Both (A) and (B)

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Theory of Machine
When the primary direct crank of a reciprocating engine makes an angle of 'θ' with the line of stroke, then the secondary direct crank will make an angle of _________ with the line of stroke.

θ/2

2θ

4θ

θ

θ/2

2θ

4θ

θ

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Theory of Machine
The steering of a ship means

Rolling of a complete ship sideways

None of these

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

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

Rolling of a complete ship sideways

None of these

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

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

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Theory of Machine
Which of the following is a spring controlled governor?

Hartnell governor

Wilson-Hartnell governor

All of these

Hartung governor

Hartnell governor

Wilson-Hartnell governor

All of these

Hartung governor

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Theory of Machine
When the radius of rotation of balls __________ as the equilibrium speed increases, the governor is said to be unstable.

Increases

Remains constant

None of these

Decreases

Increases

Remains constant

None of these

Decreases

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Theory of Machine

Theory of Machine In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The minimum length of the coupler will be

Theory of Machine In order to balance the reciprocating masses,

Theory of Machine When the primary direct crank of a reciprocating engine makes an angle of 'θ' with the line of stroke, then the secondary direct crank will make an angle of _________ with the line of stroke.

Theory of Machine The steering of a ship means

Theory of Machine Which of the following is a spring controlled governor?

Theory of Machine When the radius of rotation of balls __________ as the equilibrium speed increases, the governor is said to be unstable.

Theory of Machine
In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The minimum length of the coupler will be

Theory of Machine
In order to balance the reciprocating masses,

Theory of Machine
When the primary direct crank of a reciprocating engine makes an angle of 'θ' with the line of stroke, then the secondary direct crank will make an angle of _________ with the line of stroke.

Theory of Machine
The steering of a ship means

Theory of Machine
Which of the following is a spring controlled governor?

Theory of Machine
When the radius of rotation of balls __________ as the equilibrium speed increases, the governor is said to be unstable.