Theory of Machine The factional torque for square thread at the mean radius r while raising load W is given by T = W.r tan(φ + α) T = W.r tanα T = W.r tanφ T = W.r tan(φ - α) T = W.r tan(φ + α) T = W.r tanα T = W.r tanφ T = W.r tan(φ - α) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Kinematic pairs are those which have Point or line contact between the two elements when in motion Elements of pairs not held together mechanically Surface contact between the two elements when in motion Two elements that permit relative motion Point or line contact between the two elements when in motion Elements of pairs not held together mechanically Surface contact between the two elements when in motion Two elements that permit relative motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The motion between a pair which takes place in ____ is known as incompletely constrained motion. More than one direction None of the listed here Two directions only One direction only More than one direction None of the listed here Two directions only One direction only ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the nature of contact between the elements of a pair is such that it can only slide relative to the other, the pair is known as a Sliding pair Screw pair Spherical pair Turning pair Sliding pair Screw pair Spherical pair Turning pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Longitudinal vibrations are said to occur when the particles of a body moves Parallel to its axis Perpendicular to its axis None of these In a circle about its axis Parallel to its axis Perpendicular to its axis None of these In a circle about its axis 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 Machines modify movement and work, whereas structures modify 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 transmit mechanical work, whereas structures transmit forces Machines modify movement and work, whereas structures modify forces In machines, relative motion exists between its members, whereas same does not exist in case of structures ANSWER DOWNLOAD EXAMIANS APP
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