A machine mounted on a single coil spring has a period of free vibration of tp . If the spring is cut into four equal parts and placed in parallel and the machine is mounted on them, then the period of free vibration of the new system will become

Theory of Machine
A machine mounted on a single coil spring has a period of free vibration of tp . If the spring is cut into four equal parts and placed in parallel and the machine is mounted on them, then the period of free vibration of the new system will become

tp /4

4 tp

tp /16

16 tp

tp /4

4 tp

tp /16

16 tp

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Theory of Machine
The frictional torque transmitted in a flat collar bearing, considering uniform pressure, is (where r₁ and r₂ = External and internal radii of collar respectively)

(1/2). μ W (r₁ + r₂)

(1/2). μ W [(r₁³ - r₂³)/(r₁² - r₂²)]

(2/3). μ W [(r₁³ - r₂³)/(r₁² - r₂²)]

(2/3). μ W (r₁ + r₂)

(1/2). μ W (r₁ + r₂)

(1/2). μ W [(r₁³ - r₂³)/(r₁² - r₂²)]

(2/3). μ W [(r₁³ - r₂³)/(r₁² - r₂²)]

(2/3). μ W (r₁ + r₂)

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Theory of Machine
In multi V-belt transmission, if one of the belt is broken, we have to change the

Broken belt

There is no need of changing any one as remaining belts can take care of transmission of load

Broken belt and its adjacent belts

All the belts

Broken belt

There is no need of changing any one as remaining belts can take care of transmission of load

Broken belt and its adjacent belts

All the belts

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Theory of Machine
The amplitude of vibration is always __________ the radius of the circle.

Greater than

Equal to

None of these

Less than

Greater than

Equal to

None of these

Less than

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Theory of Machine
The relation between number of pairs (p) forming a kinematic chain and the number of links (l) is

l = 2p - 4

l = 2p - 2

l = 2p - 3

l = 2p - 5

l = 2p - 4

l = 2p - 2

l = 2p - 3

l = 2p - 5

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Theory of Machine
The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness of the shaft, and I = Mass moment of inertia of the disc attached at the end of a shaft)

2π qI

1/2π

2π. √(q/I)

(1/2π). √(q/I)

2π qI

1/2π

2π. √(q/I)

(1/2π). √(q/I)

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Theory of Machine

Theory of Machine A machine mounted on a single coil spring has a period of free vibration of tp . If the spring is cut into four equal parts and placed in parallel and the machine is mounted on them, then the period of free vibration of the new system will become

Theory of Machine The frictional torque transmitted in a flat collar bearing, considering uniform pressure, is (where r₁ and r₂ = External and internal radii of collar respectively)

Theory of Machine In multi V-belt transmission, if one of the belt is broken, we have to change the

Theory of Machine The amplitude of vibration is always __________ the radius of the circle.

Theory of Machine The relation between number of pairs (p) forming a kinematic chain and the number of links (l) is

Theory of Machine The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness of the shaft, and I = Mass moment of inertia of the disc attached at the end of a shaft)

Theory of Machine
A machine mounted on a single coil spring has a period of free vibration of tp . If the spring is cut into four equal parts and placed in parallel and the machine is mounted on them, then the period of free vibration of the new system will become

Theory of Machine
The frictional torque transmitted in a flat collar bearing, considering uniform pressure, is (where r₁ and r₂ = External and internal radii of collar respectively)

Theory of Machine
In multi V-belt transmission, if one of the belt is broken, we have to change the

Theory of Machine
The amplitude of vibration is always __________ the radius of the circle.

Theory of Machine
The relation between number of pairs (p) forming a kinematic chain and the number of links (l) is

Theory of Machine
The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness of the shaft, and I = Mass moment of inertia of the disc attached at the end of a shaft)