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GATE Prev Year : Theory of Machines Test-4

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Question 1

In a knife edged follower cam mechanism, the in-line lift as 60mm with base circle radius of 60mm. The cam raise the follower with simple harmonic motion is 60^o cam rotation with dwell for 45^o cam rotation for period. What will be the maximum velocity of the follower during the lift of stroke, if cam rotates at 1200 rpm in clockwise direction.

Question 2

The time variation of the position of a particle in rectilinear motion is given by

x = 2t³ + t²+ 2t. If n is the velocity and a the acceleration of the particle in consistent units, the motion started with

Question 3

Which among the following is not a rotating cam-translating follower?

Question 4

Which among the following information regarding the 4 bar mechanism is correct?

Question 5

Consider a flywheel whose mass M is distributed almost equally between a heavy, ring-like rim of radius R and a concentric disk-like feature of radius R/2. Other parts of the flywheel, such as spokes, etc. have negligible mass. The best approximation for $Description: D:\GradeStack Courses\GATE Tests (Sent by Ravi)\GATE-ME-2014-Set-2_files\image132.png$ , if the moment of inertia of the flywheel about its axis of rotation is expressed as $Description: D:\GradeStack Courses\GATE Tests (Sent by Ravi)\GATE-ME-2014-Set-2_files\image133.png$ . is_____________

Question 6

A compound gear train with gears P, Q, R and S has number of teeth 20, 40, 15 and 20, respectively. Gears Q and R are mounted on the same shaft as shown the figure below. The diameter of the gear Q is twice that of the gear R. If the module of the gear R is 2 mm, the center distance in mm between gears P and S is

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ESE & GATE ME Theory of Machines & Vibrations

Sep 30ESE & GATE ME