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

95 mm

45 mm

Slightly more than 45 mm

Slightly less than 45 mm

95 mm

45 mm

Slightly more than 45 mm

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Theory of Machine
The sense of Coriolis component 2 ωv is same as that of the relative velocity vector v rotated at

45° in the direction opposite to the rotation of the link containing the path

90° in the direction of rotation of the link containing the path

45° in the direction of rotation of the link containing the path

180° in the direction opposite to the rotation of the link containing the path

45° in the direction opposite to the rotation of the link containing the path

90° in the direction of rotation of the link containing the path

45° in the direction of rotation of the link containing the path

180° in the direction opposite to the rotation of the link containing the path

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Theory of Machine
When brakes are applied to all the four wheels of a moving car, the distance traveled by the car before it is brought to rest, will be

None of these

Minimum

Zero

Maximum

None of these

Minimum

Zero

Maximum

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Theory of Machine
The natural frequency of free longitudinal vibrations is equal to (where m = Mass of the body, s = Stiffness of the body, and δ = Static deflection of the body)

Any one of the listed here

0.4985/√δ

1/2π × √(s/m)

1/2π × √(g/δ)

Any one of the listed here

0.4985/√δ

1/2π × √(s/m)

1/2π × √(g/δ)

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Theory of Machine
When there is a reduction in amplitude over every cycle of vibration, then the body is said to have

Free vibration

Damped vibration

Under damped vibration

Forced vibration

Free vibration

Damped vibration

Under damped vibration

Forced vibration

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Theory of Machine
A Hartnell governor has its controlling force (Fc) given by Fc = ar + b, where r is the radius of rotation and a and b are constants. The governor becomes isochronous when

a is +ve and b = 0

a is +ve and b is -ve

a is +ve and b is also +ve

a = 0 and b is +ve

a is +ve and b = 0

a is +ve and b is -ve

a is +ve and b is also +ve

a = 0 and b is +ve

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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 The sense of Coriolis component 2 ωv is same as that of the relative velocity vector v rotated at

Theory of Machine When brakes are applied to all the four wheels of a moving car, the distance traveled by the car before it is brought to rest, will be

Theory of Machine The natural frequency of free longitudinal vibrations is equal to (where m = Mass of the body, s = Stiffness of the body, and δ = Static deflection of the body)

Theory of Machine When there is a reduction in amplitude over every cycle of vibration, then the body is said to have

Theory of Machine A Hartnell governor has its controlling force (Fc) given by Fc = ar + b, where r is the radius of rotation and a and b are constants. The governor becomes isochronous when

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
The sense of Coriolis component 2 ωv is same as that of the relative velocity vector v rotated at

Theory of Machine
When brakes are applied to all the four wheels of a moving car, the distance traveled by the car before it is brought to rest, will be

Theory of Machine
The natural frequency of free longitudinal vibrations is equal to (where m = Mass of the body, s = Stiffness of the body, and δ = Static deflection of the body)

Theory of Machine
When there is a reduction in amplitude over every cycle of vibration, then the body is said to have

Theory of Machine
A Hartnell governor has its controlling force (Fc) given by Fc = ar + b, where r is the radius of rotation and a and b are constants. The governor becomes isochronous when