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RVUNL ME || Theory of Machines Quiz

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Question 1

For the mechanism shown below Find the ratio of angular velocities of the link 2 and link 4 ___________.

Question 2

The follower starts from rest at beginning and it comes to rest at end of stroke. During its travel the follower may follow approximately with of the following motion :

Question 3

The static deflection of a shaft under a flywheel is 4mm. What is the critical speed in rad/sec if

Question 4

(ω cos θ) / n is the formula used to calculate

Question 5

Cam mechanism is used in various machines to obtain complicated motions needed. Thus such mechanism are used in;

Question 6

In case of dynamic analysis of single slider crank chain, the force(s) which oppose the gas pressure force is/are

Question 7

On the link AB of the mechanism, the direction of radial acceleration of A with respect to B is

Question 8

A shaft with torsional stiffness (q) has a disc of mass moment of inertia (I) attached at the end, then the natural frequency (fn) of free torsional vibration of the shaft is given by:

Question 9

In the cycloidal train shown in figure, the ring gear R is fixed and the wheel S rotates at 300 rpm in clockwise direction. The arm is connected to the output shaft, it speed is

Question 10

In Klein’s construction, the shape of velocity diagram is

Question 11

In balancing of a slider crank mechanism, The magnitude of the secondary forces is________ than the magnitude of the primary force.

Question 12

A disc of mass 2kg is rolling in a plane having sufficient friction such that the motion is without slip. If the disc rotate with an angular velocity of 10 rad/s and disc have radius of 500mm. Find the velocity of the centre of mass of the disc in m/s
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Jul 19AE & JE Exams