Theory of Machine The lead screw of a lathe with nut forms a Turning pair Rolling pair Screw pair Sliding pair Turning pair Rolling pair Screw pair Sliding pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Higher pairs are those which have Point or line contact between the two elements when in motion Two elements that permit relative motion Elements of pairs not held together mechanically Surface contact between the two elements when in motion Point or line contact between the two elements when in motion Two elements that permit relative motion Elements of pairs not held together mechanically Surface contact between the two elements when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The approximate straight line mechanism is a Four bar linkage 3 bar linkage 8 bar linkage 6 bar linkage Four bar linkage 3 bar linkage 8 bar linkage 6 bar linkage ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In steady state forced vibrations, the amplitude of vibrations at resonance is __________ damping coefficient. Inversely proportional to Directly proportional to Equal to Independent of Inversely proportional to Directly proportional to Equal to Independent of ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is false statement in respect of differences between machine and structure? In machines, relative motion exists between its members, whereas same does not exist in case of structures Efficiency of machines as well as structures is below 100 % Machines modify movement and work, whereas structures modify forces 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 Efficiency of machines as well as structures is below 100 % Machines modify movement and work, whereas structures modify forces Machines transmit mechanical work, whereas structures transmit forces ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A spring controlled governor is said to be unstable when the controlling force Increases as the radius of rotation increases Remains constant for all radii of rotation Decreases as the radius of rotation increases Increases as the radius of rotation decreases Increases as the radius of rotation increases Remains constant for all radii of rotation Decreases as the radius of rotation increases Increases as the radius of rotation decreases ANSWER DOWNLOAD EXAMIANS APP