Machine Design An elastic bar is fixed at the upper end and loaded at the lower end by a falling weight. The shock load produced can be reduced by Increasing the length of bar Decreasing the cross-sectional area of the bar Decreasing the modulus of elasticity of the bar All of these Increasing the length of bar Decreasing the cross-sectional area of the bar Decreasing the modulus of elasticity of the bar All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the centre distance of the mating gears having involute teeth is increased, then the pressure angle None of these Decreases Remains unchanged Increases None of these Decreases Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following is not correct procedure to increase the fatigue limit? Cold working Shot peening Surface decarburisation Under stressing Cold working Shot peening Surface decarburisation Under stressing ANSWER DOWNLOAD EXAMIANS APP
Machine Design A self locking screw has Course threads Coefficient of friction is greater than tangent of load angle Hole for inserting split pin Fine threads Course threads Coefficient of friction is greater than tangent of load angle Hole for inserting split pin Fine threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design A rivet is specified by Shank diameter Length of tail Type of head Length of rivet Shank diameter Length of tail Type of head Length of rivet ANSWER DOWNLOAD EXAMIANS APP
Machine Design Crushing resistance required to crush the rivet per pitch length is p.d.σc n.d.t.σc p.t.σc (p - d) t.σc p.d.σc n.d.t.σc p.t.σc (p - d) t.σc ANSWER DOWNLOAD EXAMIANS APP