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) 4μ sinθ/(2θ + sin 2θ) μ sinθ/(2θ + sin 2θ) 4μ sinθ/(θ + sinθ) 2μ sinθ/(θ + sinθ) 4μ sinθ/(2θ + sin 2θ) μ sinθ/(2θ + sin 2θ) 4μ sinθ/(θ + sinθ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following screw thread is used for power transmission in one direction only? Acme threads Buttress threads Multiple threads Square threads Acme threads Buttress threads Multiple threads Square threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design The elasticity is the property of a material which enables it to Retain deformation produced under load permanently Draw into wires by the application of a tensile force Resists fracture due to high impact loads Regains its original shape after deformation when the external forces are removed Retain deformation produced under load permanently Draw into wires by the application of a tensile force Resists fracture due to high impact loads Regains its original shape after deformation when the external forces are removed ANSWER DOWNLOAD EXAMIANS APP
Machine Design The usual clearance provided in hydrodynamic bearing per mm of diameter of shaft is 10 microns 0.01 micron 0.1 micron 1 micron 10 microns 0.01 micron 0.1 micron 1 micron ANSWER DOWNLOAD EXAMIANS APP
Machine Design A bench vice has following type of threads Metric Square Acme Buttress Metric Square Acme Buttress ANSWER DOWNLOAD EXAMIANS APP
Machine Design In static loading, stress concentration is more serious in Brittle materials Brittle as well as ductile materials Ductile materials Elastic materials Brittle materials Brittle as well as ductile materials Ductile materials Elastic materials ANSWER DOWNLOAD EXAMIANS APP
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