Theory of Machine Pulley in a belt drive acts as Cylindrical pair Turning pair Sliding pair Rolling pair Cylindrical pair Turning pair Sliding pair Rolling pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Open pairs are those which have Two elements that permit relative motion Surface contact between the two elements when in motion Point or line contact between the two elements when in motion Elements of pairs not held together mechanically Two elements that permit relative motion Surface contact between the two elements when in motion Point or line contact between the two elements when in motion Elements of pairs not held together mechanically ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The primary unbalanced force is maximum _________ in one revolution of the crank. Sixteen times Four times Twice Eight times Sixteen times Four times Twice Eight times ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and ωP = Angular velocity of precession of the axis of spin) (1/2). I ω ωP Iω² I ω ωP (1/2).Iω² (1/2). I ω ωP Iω² I ω ωP (1/2).Iω² ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is false statement in respect of differences between machine and structure? Efficiency of machines as well as structures is below 100 % Machines transmit mechanical work, whereas structures transmit forces In machines, relative motion exists between its members, whereas same does not exist in case of structures Machines modify movement and work, whereas structures modify forces Efficiency of machines as well as structures is below 100 % Machines transmit mechanical work, whereas structures transmit forces In machines, relative motion exists between its members, whereas same does not exist in case of structures Machines modify movement and work, whereas structures modify forces ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine To connect two parallel and coplanar shafts the following type of gearing is used Bevel gear Spiral gear Spur gear None of the listed here Bevel gear Spiral gear Spur gear None of the listed here ANSWER DOWNLOAD EXAMIANS APP