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GATE ME 2021 || Theory of machines Quiz 7 (App update required to attempt this test)

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Question 1

The natural frequency of the system in cycles/s is
Description: Description: 01_Tom-vibration_BLok_files\image020.png

Question 2

In a single degree damped vibrating system, the logarithmic decrement is 0.278. Mass of the vibrating body is 10 kg and spring stiffness is 1000 N/m. The damping constant in N/m/s is________.

Question 3

For the spring mass system with a dashpot. If a force of 49N on the dashpot produces a velocity of 0.12 m/s, if the mass =10 kg and k=300N/m, Find the damping factor

Question 4

The time( s) in which the mass in a damped vibrating system would settle down to 1/50th of its initial deflection for the given data will be ___________? m = 200 kg, ζ = 0.223 and k = 40 N/mm.

Question 5

The string, the spring and the pulley shown in figure are light. The time period of the mass m?

Question 6

The spring stiffness of an automobile suspension system is 3.6 kN/m and the damping constant of the damper is 400 Ns/m. The mass is 50 Kg. What is the damped natural frequency?
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Jun 9ESE & GATE ME