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) (1/2π). √(q/I) 2π. √(q/I) 1/2π 2π qI (1/2π). √(q/I) 2π. √(q/I) 1/2π 2π qI ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a gear having involute teeth, the normal to the involute is a tangent to the Addendum circle Base circle Dedendum circle Pitch circle Addendum circle Base circle Dedendum circle Pitch circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The mechanism in which two are turning pairs and two are sliding pairs, is called a Elliptical trammel Double slider crank chain All of these Scotch yoke mechanism Elliptical trammel Double slider crank chain All of these Scotch yoke mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In an ideal machine, the output as compared to input is Less May be less or more depending on efficiency Equal More Less May be less or more depending on efficiency Equal More 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 0.6 0.2 0.8 0.4 0.6 0.2 0.8 0.4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Longitudinal vibrations are said to occur when the particles of a body moves In a circle about its axis Perpendicular to its axis Parallel to its axis None of these In a circle about its axis Perpendicular to its axis Parallel to its axis None of these ANSWER DOWNLOAD EXAMIANS APP