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Theory of Machine

Theory of Machine
The radial distance from the top of a tooth to the bottom of a tooth in a meshing gear, is called

Working depth
Dedendum
Clearance
Addendum

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Theory of Machine
The velocity of a particle moving with simple harmonic motion, at any instant is given by (where ω = Displacement of the particle from mean position)

ω² √(r² - x²)
ω² √(x² - r²)
ω √(x² - r²)
ω √(r² - x²)

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Theory of Machine
The danger of breakage and vibration is maximum

None of these
Above the critical speed
Near the critical speed
Below the critical speed

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Theory of Machine
The factional torque for square thread at the mean radius r while raising load W is given by

T = W.r tan(φ + α)
T = W.r tan(φ - α)
T = W.r tanα
T = W.r tanφ

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Theory of Machine
A completely constrained motion can be transmitted with.

2 links with pin joints
1 link with pin joints
4 links with pin joints
3 links with pin joints

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Theory of Machine
Creep in belt drive is due to

Material of the pulley
Uneven extensions and contractions due to varying tension
Larger size of the driver pulley
Material of the belt

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