Theory of Machine A simple spring-mass vibrating system has a natural frequency of fn. If the spring stiffness is halved and the mass is doubled, then the natural frequency will become 8 fn 2 fn 4 fn fn/2 8 fn 2 fn 4 fn fn/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine V-belts are usually used for Short drives None of these Long drives Long and short drives Short drives None of these Long drives Long and short drives ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a ball bearing, ball and bearing forms a Screw pair Spherical pair Rolling pair Turning pair Screw pair Spherical pair Rolling pair Turning pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a body is subjected to transverse vibrations, the stress induced in a body will be Compressive stress Shear stress Tensile stress Bending stress Compressive stress Shear stress Tensile stress Bending stress ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The absolute acceleration of any point ‘P’ in a link about center of rotation ‘O’ is None of the listed here At 45° to PO Along PO Perpendicular to PO None of the listed here At 45° to PO Along PO Perpendicular to PO ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of the driving tensions for V-belts is __________ times that of flat belts.(Where β = Semi-angle of the groove) secβ sinβ cosecβ cosβ secβ sinβ cosecβ cosβ ANSWER DOWNLOAD EXAMIANS APP