Theory of Machine The danger of breakage and vibration is maximum None of these Near the critical speed Below the critical speed Above the critical speed None of these Near the critical speed Below the critical speed Above the critical speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of the maximum displacement of the forced vibration to the deflection due to the static force, is known as Logarithmic decrement Damping factor Damping coefficient Magnification factor Logarithmic decrement Damping factor Damping coefficient Magnification factor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A machine mounted on a single coil spring has a period of free vibration of tp . If the spring is cut into four equal parts and placed in parallel and the machine is mounted on them, then the period of free vibration of the new system will become 16 tp tp /16 tp /4 4 tp 16 tp tp /16 tp /4 4 tp ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frequency of oscillation at compared to earth will be 2.44 times more 6 times more 2.44 times less 6 times less 2.44 times more 6 times more 2.44 times less 6 times less ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the belt is stationary, it is subjected to some tension known as initial tension. The value of this tension is equal to the Tension in the tight side of the belt Average tension of the tight side and slack side of the belt Tension in the slack side of the belt Sum of the tensions on the tight side and slack side of the belt Tension in the tight side of the belt Average tension of the tight side and slack side of the belt Tension in the slack side of the belt Sum of the tensions on the tight side and slack side of the belt ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A single degree of freedom system is given by, m × (d²x/dt²) + c × (dx/dt) + sx = F.cosω.t with usual notations. It represents Forced vibration without damping Free vibration with damping Forced vibration with damping Free vibration without damping Forced vibration without damping Free vibration with damping Forced vibration with damping Free vibration without damping ANSWER DOWNLOAD EXAMIANS APP
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