Machine Design Two rigid plates are clamped by means of bolt and nut with an initial force F. After tightening, a separating force P (P < F) is applied to the lower plate, which in turn acts on the nut. The tension in the both after this is F F.P F + P P F F.P F + P P ANSWER DOWNLOAD EXAMIANS APP
Machine Design In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing Is minimum at zero speed and increases monotonically with increase in speed Is maximum at zero speed and decreases monotonically with increase in speed Remains constant at all speeds Becomes minimum at an optimum speed and then increases with further increase in speed Is minimum at zero speed and increases monotonically with increase in speed Is maximum at zero speed and decreases monotonically with increase in speed Remains constant at all speeds Becomes minimum at an optimum speed and then increases with further increase in speed ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centre distance between two meshing involute gears is equal to Difference of pitch circle radii/cosφ Sum of pitch circle radii/cosφ Sum of base circle radii/cosφ Difference of base circle radii/cosφ Difference of pitch circle radii/cosφ Sum of pitch circle radii/cosφ Sum of base circle radii/cosφ Difference of base circle radii/cosφ ANSWER DOWNLOAD EXAMIANS APP
Machine Design In the calculation of induced shear stress in helical springs, the Wahl's stress factor is used to take care of Combined effect of bending stress and curvature of the wire Combined effect of torsional shear stress and transverse shear stress in the wire Combined effect of transverse shear stress and bending stress in the wire Combined effect of transverse shear stress and curvature of wire Combined effect of bending stress and curvature of the wire Combined effect of torsional shear stress and transverse shear stress in the wire Combined effect of transverse shear stress and bending stress in the wire Combined effect of transverse shear stress and curvature of wire ANSWER DOWNLOAD EXAMIANS APP
Machine Design The strength of a riveted joint is equal to Least value of Pt Ps and Pc Shearing strength of rivet (Ps) Tearing strength of plate (Pt) Crushing strength of rivet (Pc) Least value of Pt Ps and Pc Shearing strength of rivet (Ps) Tearing strength of plate (Pt) Crushing strength of rivet (Pc) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bearings of heavy series have capacity __________ over the medium series. 20 to 30% 10 to 20% 30 to 40% 40 to 50% 20 to 30% 10 to 20% 30 to 40% 40 to 50% ANSWER DOWNLOAD EXAMIANS APP
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