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GATE ME: Theory of Machines & Vibrations Champion Quiz 3

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Question 1

The primary function of the flywheel is______.

Question 2

In the case gyroscopic effect. The planes of spin, gyroscopic couple and precession are

Question 3

Which one of the following mechanism represents an inversion of the single slider crank chain?

Question 4

An external gear with 60 teeth meshes with a pinion of 20 teeth, module being 6 mm. What is the centre distance in mm?

Question 5

The figure below shows a cam with a circular profile, rotating with a uniform angular velocity of

rad/s. What is the nature of displacement of the following :

Question 6

Given below are four vee twin engines with different included angles between cylinder axes. Which one of these engines can be completely balanced for primary forces by attaching a single revolving mass opposite to the crank pin?

Question 7

An unbalance couple of magnitude 300 N-m is noticed on a shaft of length 200 cm. The dynamic reactions at the bearings are:

Question 8

Consider the following statements:
in an epicyclic gear train with 96 and 36 number of teeth on the annulus and sun respectively
1) Planet must have 30 teeth
2) There must be 3 or 4 planets around the circumference
3) Planets can never be input or output links
4) Module of the sun should be more than the rest
Which of these statements are correct?

Question 9

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

Question 10

For the four-bar linkage shown in the figure, the angular velocity of link AB is 1 rad/s. The length of link CD is 1.5 times the length of link AB. In the configuration shown, the angular velocity of link CD in rad/s is
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ESE & GATE ME Theory of Machines & Vibrations

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