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

Slightly more than 45 mm

45 mm

Slightly less than 45 mm

95 mm

Slightly more than 45 mm

45 mm

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Theory of Machine
V-belts are usually used for

Long drives

Short drives

None of these

Long and short drives

Long drives

Short drives

None of these

Long and short drives

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Theory of Machine
At the nodal point in a shaft, the amplitude for torsional vibration will be

Zero

Minimum

Maximum

Infinity

Zero

Minimum

Maximum

Infinity

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Theory of Machine
The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane takes a turn to the left. The effect of gyroscopic couple on the aeroplane will be

To dip the nose and raise the tail

To dip the nose and tail

To raise the nose and tail

To raise the nose and dip the tail

To dip the nose and raise the tail

To dip the nose and tail

To raise the nose and tail

To raise the nose and dip the tail

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Theory of Machine
The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is

3π Hz

6π Hz

3 Hz

6 Hz

3π Hz

6π Hz

3 Hz

6 Hz

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Theory of Machine
The primary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given by (where m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, θ = Angle of inclination of crank with the line of stroke, and n = Ratio of the length of connecting rod to radius of crank)

m.ω².r cosθ

m.ω².r sinθ

m.ω².r (cos 2θ/n)

m.ω².r (sin 2θ/n)

m.ω².r cosθ

m.ω².r sinθ

m.ω².r (cos 2θ/n)

m.ω².r (sin 2θ/n)

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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 V-belts are usually used for

Theory of Machine At the nodal point in a shaft, the amplitude for torsional vibration will be

Theory of Machine The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane takes a turn to the left. The effect of gyroscopic couple on the aeroplane will be

Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is

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
V-belts are usually used for

Theory of Machine
At the nodal point in a shaft, the amplitude for torsional vibration will be

Theory of Machine
The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane takes a turn to the left. The effect of gyroscopic couple on the aeroplane will be

Theory of Machine
The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is