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Theory of Machine

Theory of Machine
The size of cam depends upon

Pitch circle
Pitch curve
Base circle
Prime circle

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Theory of Machine
According to Kennedy's theorem, if three bodies move relatively to each other, their instantaneous centers will lie on a

Triangle
Rectangle
Parabolic curve
Straight line

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Theory of Machine
Two systems shall be dynamically equivalent when

G. of two coincides
All of these
M.I. of two about an axis through e.g. is equal
The mass of two are same

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Theory of Machine
In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO. The acceleration of the piston P with respect to the crank-pin C is given by

ω² × QN
ω² × NO
ω² × CN
ω² × CO

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Theory of Machine
In Meyer's expansion valve, the expansion valve is driven by an eccentric having an angle of advance from

50°- 60°
70°- 80°
60°-70°
80°- 90°

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Theory of Machine
For S.H.M. cam, the acceleration of the follower at the ends of the stroke and aimed stroke respectively, is

Maximum and zero
Zero and minimum
Zero and maximum
Minimum and maximum

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MORE MCQ ON Theory of Machine

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