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 (1/2π). √(q/I) 2π qI 2π. √(q/I) 1/2π (1/2π). √(q/I) 2π qI 2π. √(q/I) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is Both (A) and (B) None of these 0° and 90° 180° and 360° Both (A) and (B) None of these 0° and 90° 180° and 360° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Bifilar suspension method is used to find the Angular acceleration of the body Frequency of vibration of the body Periodic time of the body Moment of inertia of the body Angular acceleration of the body Frequency of vibration of the body Periodic time of the body Moment of inertia of the body ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ω/ωn is very low for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach 180° 90° 0° 360° 180° 90° 0° 360° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following disciplines provides study of inertia forces arising from the combined effect of the mass and the motion of the parts? Mechanisms Theory of machines Applied mechanics Kinetics Mechanisms Theory of machines Applied mechanics Kinetics ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the nature of contact between the elements of a pair is such that one element can turn about the other by screw threads, the pair is known as a Turning pair Spherical pair Sliding pair Screw pair Turning pair Spherical pair Sliding pair Screw pair ANSWER DOWNLOAD EXAMIANS APP