Theory of Machine The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness of the shaft, and I = Mass moment of inertia of the disc attached at the end of a shaft) 2π qI 2π. √(q/I) (1/2π). √(q/I) 1/2π 2π qI 2π. √(q/I) (1/2π). √(q/I) 1/2π ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The mechanism forms a structure, when the number of degrees of freedom (n) is equal to -1 1 2 -1 1 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Klein's construction can be used when Crank has non-uniform velocity Crank has a uniform angular velocity Crank has uniform angular acceleration Crank has uniform angular velocity and angular acceleration Crank has non-uniform velocity Crank has a uniform angular velocity Crank has uniform angular acceleration Crank has uniform angular velocity and angular acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A friction circle is a circle drawn when a journal rotates in a bearing. Its radius depends upon the coefficient of friction and the Magnitude of the forces on journal Clearance between journal and bearing Radius of journal Angular velocity of journal Magnitude of the forces on journal Clearance between journal and bearing Radius of journal Angular velocity of journal ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to 0.8 0.2 0.4 0.6 0.8 0.2 0.4 0.6 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Torsional vibrations are said to occur when the particles of a body moves Perpendicular to its axis In a circle about its axis None of these Parallel to its axis Perpendicular to its axis In a circle about its axis None of these Parallel to its axis ANSWER DOWNLOAD EXAMIANS APP
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