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Theory of Machine

Theory of Machine
A shaft carrying three rotors will have

One node
Three nodes
No node
Two nodes

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

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

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Theory of Machine
Which of the following is a turning pair?

Ball and a socket joint
Piston and cylinder of a reciprocating steam engine
Lead screw of a lathe with nut
Shaft with collars at both ends fitted into a circular hole

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Theory of Machine
Module of a gear is

2D/T
2T/D
T/D
D/T

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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 × CO
ω² × QN
ω² × CN
ω² × NO

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Theory of Machine
At the nodal point in a shaft, the amplitude for torsional vibration will be

Zero
Infinity
Maximum
Minimum

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