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 % 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 Machines transmit mechanical work, whereas structures transmit forces Efficiency of machines as well as structures is below 100 % 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 Machines transmit mechanical work, whereas structures transmit forces ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing, considering uniform wear, is (where μ = Coefficient of friction, W = Load over the bearing, and R = Radius of bearing surface) (3/4) μ W R (1/2) μ W R μ W R (2/3) μ W R (3/4) μ W R (1/2) μ W R μ W R (2/3) μ W R ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating engine, usually __________ of the reciprocating masses are balanced. Whole Three-fourth Two-third One-half Whole Three-fourth Two-third One-half ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which type of gearing is used in steering system of an automobile? None of the listed here Rack and pinion Spiral gears Worm and wheel None of the listed here Rack and pinion Spiral gears Worm and wheel ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The dynamic friction is the friction experienced by a body, when the body Just begins to slide over the surface of the other body Is in motion Is at rest None of these Just begins to slide over the surface of the other body Is in motion Is at rest None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frequency of oscillation at compared to earth will be 2.44 times less 6 times less 6 times more 2.44 times more 2.44 times less 6 times less 6 times more 2.44 times more ANSWER DOWNLOAD EXAMIANS APP