Theory of Machine Minimum number of teeth for involute rack and pinion arrangement for pressure angle of 20° is 10 30 34 20 10 30 34 20 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a screw jack, the effort required to lower the load W is given by P = W cos(α + φ) P = W tan(φ - α) P = W tan(α - φ) P = W tan(α + φ) P = W cos(α + φ) P = W tan(φ - α) P = W tan(α - φ) P = W tan(α + φ) 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 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 In machines, relative motion exists between its members, whereas same does not exist in case of structures ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centers lie on A. A triangle Two lines A triangle A point A straight line Two lines A triangle A point A straight line ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the below are inversions of slider crank mechanism?1. Oscillating cylinder engine mechanism2. Toggle mechanism3. Radial cylinder engine mechanism4. Quick return mechanism 1, 2 and 3 1, 3 and 4 1, 2 and 4 2, 3 and 4 1, 2 and 3 1, 3 and 4 1, 2 and 4 2, 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The inversion of a mechanism is Obtained by fixing different links in a kinematic chain Turning its upside down Obtained by reversing the input and output motion Changing of a higher pair to a lower pair Obtained by fixing different links in a kinematic chain Turning its upside down Obtained by reversing the input and output motion Changing of a higher pair to a lower pair ANSWER DOWNLOAD EXAMIANS APP
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