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 The expression 0.175 - 0.841/T is the Lewis form factor for 14½° composite and full depth involute system None of these 20° stub system 20° full depth involute system 14½° composite and full depth involute system None of these 20° stub system 20° full depth involute system ANSWER DOWNLOAD EXAMIANS APP
Machine Design The arms of the pulleys for flat belt drive have Major axis twice the minor axis All the three characteristics Elliptical cross-section Major axis in plane of rotation Major axis twice the minor axis All the three characteristics Elliptical cross-section Major axis in plane of rotation ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which one of the following loading is considered for the design of axles? Combined bending moment and twisting moments Twisting moment only Combined action of bending moment, twisting moment and axial thrust Bending moment only Combined bending moment and twisting moments Twisting moment only Combined action of bending moment, twisting moment and axial thrust Bending moment only ANSWER DOWNLOAD EXAMIANS APP
Machine Design The piston pin bearings in heavy duty diesel engines are Spherical roller bearings Cylindrical roller bearings Tapered roller bearings Needle roller bearings Spherical roller bearings Cylindrical roller bearings Tapered roller bearings Needle roller bearings ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a partial journal bearing, the angle of contact of the bearing with the journal is 360° 180° 120° 270° 360° 180° 120° 270° ANSWER DOWNLOAD EXAMIANS APP
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