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Theory of Machine

Theory of Machine
The behaviour of gases can be fully determined by

1 law
3 laws
4 laws
2 laws

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Theory of Machine
When the addenda on pinion and wheel is such that the path of approach and path of recess are half of their maximum possible values, then the length of the path of contact is given by (where r = Pitch circle radius of pinion, R = Pitch circle radius of wheel, and φ = Pressure angle)

[(r² + R²) sinφ]/2
[(r² + R²) cosφ]/2
[(r + R) sinφ]/2
[(r + R) cosφ]/2

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Theory of Machine
Carnot cycle is

a reversible cycle
a semi-reversible cycle
an irreversible cycle
a quasi static cycle

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Theory of Machine
A single degree of freedom system is given by, m × (d²x/dt²) + c × (dx/dt) + sx = F.cosω.t with usual notations. It represents

Forced vibration without damping
Free vibration with damping
Forced vibration with damping
Free vibration without damping

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Theory of Machine
The length of a simple pendulum which gives the same frequency as the compound pendulum, is

(kG² + l₁²)/ l₁
(kG + l₁²)/ l₁
kG + l₁
kG² + l₁

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Theory of Machine
The secondary unbalanced force is __________ the primary unbalanced force.

1/n times
One-half
n times
Two-third

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