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) 4μ sinθ/(θ + sinθ) μ sinθ/(2θ + sin 2θ) 4μ sinθ/(2θ + sin 2θ) 2μ sinθ/(θ + sinθ) 4μ sinθ/(θ + sinθ) μ sinθ/(2θ + sin 2θ) 4μ sinθ/(2θ + sin 2θ) 2μ sinθ/(θ + sinθ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design A thin spherical shell of internal diameter d is subjected to an internal pressure p. If V is the storage capacity of shell, then its diameter will be (6V/ π)1/2 (6V/ π)1/3 (6V/ π)3 (6V/ π)2 (6V/ π)1/2 (6V/ π)1/3 (6V/ π)3 (6V/ π)2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The maximum stress due to stress concentration in a bar having circular transverse hole, as compared to its static stress without hole will be 4 times more Same in both cases 3 times more 2 times more 4 times more Same in both cases 3 times more 2 times more ANSWER DOWNLOAD EXAMIANS APP
Machine Design Resistance to fatigue of a material is measured by Elastic limit Young's modulus Coefficient of elasticity Endurance limit Elastic limit Young's modulus Coefficient of elasticity Endurance limit ANSWER DOWNLOAD EXAMIANS APP
Machine Design The following type of nut is used with alien bolt Any one of the above Slotted nut Castle nut Hexagonal nut Any one of the above Slotted nut Castle nut Hexagonal nut ANSWER DOWNLOAD EXAMIANS APP
Machine Design The helix angle for double helical gears may be made up to 90° 75° 45° 60° 90° 75° 45° 60° ANSWER DOWNLOAD EXAMIANS APP