Theory of Machine In full depth involute system, the smallest number of teeth in a pinion which meshes with rack without interference is 32 12 16 25 32 12 16 25 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free transverse vibrations due to uniformly distributed load acting over a simply supported shaft is (where δS = Static deflection of simply supported shaft due to uniformly distributed load) 0.4985/ √δS 0.5615/ √δS 0.571/ √δS 0.6253/ √δS 0.4985/ √δS 0.5615/ √δS 0.571/ √δS 0.6253/ √δS ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction) α = 45° + φ/2 α = 45° - φ/2 α = 90° - φ α = 90° + φ α = 45° + φ/2 α = 45° - φ/2 α = 90° - φ α = 90° + φ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of higher pair is Gears, cams Belt, rope and chain drives Ball and roller bearings All of these Gears, cams Belt, rope and chain drives Ball and roller bearings All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Elements of pairs held together mechanically is known as Open pair Rolling pair Closed pair Mechanical pair Open pair Rolling pair Closed pair Mechanical pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When two links are connected by a pin joint, their instantaneous center lies At the center of circle On their point of contact At the pin joint At the center of curvature At the center of circle On their point of contact At the pin joint At the center of curvature ANSWER DOWNLOAD EXAMIANS APP