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 The component of the acceleration, perpendicular to the velocity of the particle, at the given instant is called Tangential component None of these Radial component Coriolis component Tangential component None of these Radial component Coriolis component ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The stress induced in a body will be shear stress, when it is subjected to None of these Longitudinal vibrations Torsional vibrations Transverse vibrations None of these Longitudinal vibrations Torsional vibrations Transverse vibrations ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum efficiency of spiral gears is (where θ = Shaft angle, and φ = Friction angle) cos (θ - φ) + 1/ sin (θ + φ) + 1 cos (θ - φ) + 1/ cos (θ + φ) + 1 sin (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ sin (θ + φ) + 1 cos (θ - φ) + 1/ cos (θ + φ) + 1 sin (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ + φ) + 1/ cos (θ - φ) + 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the crank is at the outer dead centre, in a reciprocating steam engine, then the acceleration of the piston will be ω² r {n/(n + 1)} ω² r {n/(n - 1)} ω² r {(n + 1)/n} ω² r {(n - 1)/n} ω² r {n/(n + 1)} ω² r {n/(n - 1)} ω² r {(n + 1)/n} ω² r {(n - 1)/n} ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is an open pair? Cam and follower Lead screw and nut Journal bearing Ball and socket joint Cam and follower Lead screw and nut Journal bearing Ball and socket joint ANSWER DOWNLOAD EXAMIANS APP
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