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) 2μ sinθ/(θ + sinθ) 4μ sinθ/(θ + sinθ) 4μ sinθ/(2θ + sin 2θ) μ sinθ/(2θ + sin 2θ) 2μ sinθ/(θ + sinθ) 4μ sinθ/(θ + sinθ) 4μ sinθ/(2θ + sin 2θ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Gear box is used For speed reduction To obtain variable speeds To increase efficiency of system To produce torque For speed reduction To obtain variable speeds To increase efficiency of system To produce torque ANSWER DOWNLOAD EXAMIANS APP
Machine Design In radial cams, the follower moves Along the cam axis In a direction parallel to the cam axis In a direction perpendicular to the cam axis In any direction irrespective of cam axis Along the cam axis In a direction parallel to the cam axis In a direction perpendicular to the cam axis In any direction irrespective of cam axis ANSWER DOWNLOAD EXAMIANS APP
Machine Design Three different weights fall from a certain height under vacuum. They will take None of these Times proportional to weight to reach earth Times inversely proportional to weight to reach earth Same time to reach earth None of these Times proportional to weight to reach earth Times inversely proportional to weight to reach earth Same time to reach earth ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stress induced in the belt is, Tensile stress Compressive stress Torsional shear stress Direct shear stress Tensile stress Compressive stress Torsional shear stress Direct shear stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design The endurance limit in shear of carbon steel can be obtained by multiplying the endurance limit in flexure by a factor of 0.45 0.55 0.65 0.75 0.45 0.55 0.65 0.75 ANSWER DOWNLOAD EXAMIANS APP
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