Theory of Machine Efficiency of a screw jack is given by tan (α + φ)/tanα tanα/tan (α - φ) tanα/tan (α +φ) tan (α - φ)/tanα tan (α + φ)/tanα tanα/tan (α - φ) tanα/tan (α +φ) tan (α - φ)/tanα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The critical speed of a shaft depends upon its Mass and stiffness Stiffness Stiffness and eccentricity Mass Mass and stiffness Stiffness Stiffness and eccentricity Mass 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 tp /16 4 tp 16 tp tp /4 tp /16 4 tp 16 tp tp /4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The relation between the controlling force (Fc) and radius of rotation (r) for a stable spring controlled governor is Fc = ar + b Fc = a/r + b Fc = ar - b Fc = ar Fc = ar + b Fc = a/r + b Fc = ar - b Fc = ar ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The centre of gravity of a coupler link in a four bar mechanism will experience Only angular acceleration No acceleration Both linear and angular acceleration Only linear acceleration Only angular acceleration No acceleration Both linear and angular acceleration Only linear acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For S.H.M. cam, the acceleration of the follower at the ends of the stroke and aimed stroke respectively, is Zero and maximum Maximum and zero Minimum and maximum Zero and minimum Zero and maximum Maximum and zero Minimum and maximum Zero and minimum ANSWER DOWNLOAD EXAMIANS APP
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