GATE ME 2007 | Vibrations Question 47 | Theory of Machines

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GATE ME 2007

MCQ (Single Correct Answer)

-0.6

The natural frequency of the system shown below is GATE ME 2007 Theory of Machines - Vibrations Question 17 English

$$\sqrt {{{k} \over 2m}} $$

$$\sqrt {{{k} \over m}} $$

$$\sqrt {{{2k} \over m}} $$

$$\sqrt {{{3k} \over m}} $$

GATE ME 2006

MCQ (Single Correct Answer)

-0.6

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:

$$0.223$$ $$Ns/m$$

$$17.88$$ $$Ns/m$$

$$71.4$$ $$Ns/m$$

$$223.6$$ $$Ns/m$$

GATE ME 2006

MCQ (Single Correct Answer)

-0.6

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 logarithmic decrement is

$$1.35$$

$$0.42$$

$$0.68$$

$$0.66$$

GATE ME 2006

MCQ (Single Correct Answer)

-0.6

A machine of $$250$$ kg mass is supported on springs of total stiffness $$100$$ kN/m. Machine has an unbalanced rotating force of $$350$$ N at speed of $$3600$$ rpm. Assuming a damping factor of $$0.15,$$ the value of transmissibility ratio is

$$0.0531$$

$$0.9922$$

$$0.0162$$

$$0.0028$$

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Engineering Mechanics

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Vibrations Gears and Gear Trains Flywheel Analysis of Plane Mechanisms

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Properties of Pure Substances Basic Concepts and Zeroth Law First Law of Thermodynamics Calculation of Work and Heat Entropy and Irreversibility Rankine Cycle Availability Second Law of Thermodynamics

General Aptitude

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