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Theory of Machine

Theory of Machine
Which gear is used for connecting two coplanar and intersecting shafts?

None of these
Bevel gear
Helical gear
Spur gear

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Theory of Machine
A torsional system with discs of moment of inertia I₁ and I₂ as shown in the below figure, is gear driven such that the ratio of speed of shaft B to shaft A is 'G'. Neglecting the inertia of gears, the equivalent inertia of disc on shaft B at the speed of shaft A is equal to

I₂/G
G².I₂
G.I₂
I₂/G²

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Theory of Machine
The direction of linear velocity of any point on a link with respect to another point on the same link is

At 45° to the link joining the points
Parallel to the link joining the points
Perpendicular to the link joining the points
None of the listed here

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Theory of Machine
Which one of the following can completely balance several masses revolving in different planes on a shaft?

Two masses in any two planes
A single mass in different planes
Two equal masses in any two planes
A single mass in one of the planes of the revolving masses

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Theory of Machine
The mechanism forms a structure, when the number of degrees of freedom (n) is equal to

2
1
-1

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Theory of Machine
The size of cam depends upon

Prime circle
Pitch circle
Pitch curve
Base circle

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