Theory of Machine In a screw jack, the effort required to lower the load W is given by P = W tan(α + φ) P = W tan(φ - α) P = W tan(α - φ) P = W cos(α + φ) P = W tan(α + φ) P = W tan(φ - α) P = W tan(α - φ) P = W cos(α + φ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A typewriter mechanism has 7 numbers of binary joints, six links and none of higher pairs. The mechanism is Data is not sufficient to determine same Soundness would depend upon which link is kept fixed Not sound Kinematically sound Data is not sufficient to determine same Soundness would depend upon which link is kept fixed Not sound Kinematically sound ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Cam size depends upon Outer circle Pitch circle Prime circle Base circle Outer circle Pitch circle Prime circle Base circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Klein's construction can be used when Crank has non-uniform velocity Crank has uniform angular acceleration Crank has uniform angular velocity and angular acceleration Crank has a uniform angular velocity Crank has non-uniform velocity Crank has uniform angular acceleration Crank has uniform angular velocity and angular acceleration Crank has a uniform angular velocity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The method of direct and reverse cranks is used in engines for Balancing of forces and couples The control of speed fluctuations Kinematic analysis Vibration analysis Balancing of forces and couples The control of speed fluctuations Kinematic analysis Vibration analysis ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The critical speed of a shaft depends upon its Mass and stiffness Stiffness and eccentricity Mass Stiffness Mass and stiffness Stiffness and eccentricity Mass Stiffness ANSWER DOWNLOAD EXAMIANS APP