GATE Prev Year : Theory of Machines Test-5

Attempt now to get your rank among 715 students!

Question 1

A double-parallelogram mechanism is shown in the figure. Note that PQ is a single link. The mobility of the mechanism is

• A-1
• B0
• C1
• D2

Question 2

Tooth interference in an external involute spur gear pair can be reduced by

• Adecreasing center distance between gear pair
• Bdecreasing module
• Cdecreasing pressure angle
• Dincreasing number of gear teeth

Question 3

Match the following

• AP-2 Q-3 R-1 S-4
• BP-3 Q-2 R-4 S-1
• CP-4 Q-1 R-2 S-3
• DP-4 Q-3 R-1 S-2

Question 4

The speed of an engine varies from 210 rad/s to 190 rad/s. During a cycle the change in kinetic energy is found to be 400 Nm. The inertia of the flywheel in kgm² is

• A0.10
• B0.20
• C0.30
• D0.40

Question 5

A vibratory system consists of a mass 12.5 kg, a spring of stiffness 1000 N/m, and a dashpot with damping coefficient of 15 Ns/m.
The value of critical damping of the system is:

• A0.223 Ns/m
• B17.88 Ns/m
• C71.4 Ns/m
• D223.6 Ns/m

Question 6

In a cam design, the rise motion is given by a simple harmonic motion (SHM) where h is total rise, θ is camshaft angle, β is the total angle of the rise interval. The jerk is given by

• A
• B
• C
• D

• 715 attempts
• 4 upvotes
• 44 comments