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) 2μ sinθ/(θ + sinθ) μ sinθ/(2θ + sin 2θ) 4μ sinθ/(θ + sinθ) 4μ sinθ/(2θ + sin 2θ) 2μ sinθ/(θ + sinθ) μ sinθ/(2θ + sin 2θ) 4μ sinθ/(θ + sinθ) 4μ sinθ/(2θ + sin 2θ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design A thin spherical shell of internal diameter d is subjected to an internal pressure p. If σt is the tensile stress for the shell material, then thickness of shell is equal to pd/4σt pd/σt pd/3σt pd/2σt pd/4σt pd/σt pd/3σt pd/2σt ANSWER DOWNLOAD EXAMIANS APP
Machine Design The steel pulleys are __________ in weight than cast iron pulleys of the same capacity. Moderate None of these Heavier Lighter Moderate None of these Heavier Lighter ANSWER DOWNLOAD EXAMIANS APP
Machine Design The application of second type levers is found in Handle of a hand pump Hand wheel of a punching press A pair of tongs Lever of a loaded safety valve Handle of a hand pump Hand wheel of a punching press A pair of tongs Lever of a loaded safety valve ANSWER DOWNLOAD EXAMIANS APP
Machine Design A connecting rod should be Equally strong in buckling about X-axis and Y-axis Strong in buckling about Y-axis Strong in buckling about X-axis Any one of the above Equally strong in buckling about X-axis and Y-axis Strong in buckling about Y-axis Strong in buckling about X-axis Any one of the above ANSWER DOWNLOAD EXAMIANS APP
Machine Design Spring stiffness is Load required to produce unit deflection Its ability to absorb shocks Its capability of storing energy Ratio of coil diameter to wire diameter Load required to produce unit deflection Its ability to absorb shocks Its capability of storing energy Ratio of coil diameter to wire diameter ANSWER DOWNLOAD EXAMIANS APP
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