Machine Design The bending stress in a curved beam is Maximum at the neutral axis None of these Zero at the point other than centroidal axis Zero at the centroidal axis Maximum at the neutral axis None of these Zero at the point other than centroidal axis Zero at the centroidal axis ANSWER DOWNLOAD EXAMIANS APP
Machine Design For tight leakage joints, following type of thread is best suited NPT (national pipe threads). Buttress Metric Square NPT (national pipe threads). Buttress Metric Square ANSWER DOWNLOAD EXAMIANS APP
Machine Design Crowning on pulley helps In increasing the slip of the belt In decreasing the slip of the belt To keep the belt in centre on a pulley while it is in motion To increase pulley life In increasing the slip of the belt In decreasing the slip of the belt To keep the belt in centre on a pulley while it is in motion To increase pulley life ANSWER DOWNLOAD EXAMIANS APP
Machine Design In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing Remains constant at all speeds Is minimum at zero speed and increases monotonically with increase in speed Is maximum at zero speed and decreases monotonically with increase in speed Becomes minimum at an optimum speed and then increases with further increase in speed Remains constant at all speeds Is minimum at zero speed and increases monotonically with increase in speed Is maximum at zero speed and decreases monotonically with increase in speed Becomes minimum at an optimum speed and then increases with further increase in speed ANSWER DOWNLOAD EXAMIANS APP
Machine Design For a shoe brake, the equivalent coefficient of friction is equal to (where μ = Actual coefficient of friction, and θ = Semi-block angle) μ sinθ/(2θ + sin 2θ) 4μ sinθ/(2θ + sin 2θ) 4μ sinθ/(θ + sinθ) 2μ sinθ/(θ + sinθ) μ sinθ/(2θ + sin 2θ) 4μ sinθ/(2θ + sin 2θ) 4μ sinθ/(θ + sinθ) 2μ sinθ/(θ + sinθ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design For a shaft diameter of 100 mm, the number of bolts in a flange coupling should be 6 10 8 4 6 10 8 4 ANSWER DOWNLOAD EXAMIANS APP
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