Theory of Machine In order to double the period of a simple pendulum, the length of the string should be Quadrupled Doubled None of these Halved Quadrupled Doubled None of these Halved 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 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 Machines transmit mechanical work, whereas structures transmit forces Efficiency of machines as well as structures is below 100 % 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 Machines transmit mechanical work, whereas structures transmit forces ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A spring controlled governor is found unstable. It can be made stable by Decreasing the spring stiffness Decreasing the ball mass Increasing the spring stiffness Increasing the ball mass Decreasing the spring stiffness Decreasing the ball mass Increasing the spring stiffness Increasing the ball mass ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The distance between fixed pivots of crank and followers is 95 mm 45 mm Slightly less than 95 mm Slightly more than 95 mm 95 mm 45 mm Slightly less than 95 mm Slightly more than 95 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The cam follower generally used in aircraft engines is Knife edge follower Spherical faced follower Roller follower Flat faced follower Knife edge follower Spherical faced follower Roller follower Flat faced follower ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is (Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing) ½μWR ²/₃ μWR μwr ¾μWR ½μWR ²/₃ μWR μwr ¾μWR ANSWER DOWNLOAD EXAMIANS APP
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