Machine Design The rivet head used for boiler plate riveting is usually Pan Head Conical head Counter sunk head Snap head Pan Head Conical head Counter sunk head Snap head ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to fluctuating loads for which the normal torque (T) and bending moment (M) are 1000 N-m and 500 N-m respectively. If the combined shock and fatigue factor for bending is 1.5 and combined shock and fatigue factor for torsion is 2, then the equivalent twisting moment for the shaft is 2050 N-m 2100 N-m 2000 N-m 2136 N-m 2050 N-m 2100 N-m 2000 N-m 2136 N-m ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a shaft is subjected to combined twisting moment (T) and bending moment (M), then the equivalent twisting moment is equal to (1/2) × [M + √(M² + T²)] √(M² + T²) M + √(M² + T²) (1/2) × √(M² + T²) (1/2) × [M + √(M² + T²)] √(M² + T²) M + √(M² + T²) (1/2) × √(M² + T²) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Cold working Alone has no influence on fatigue strength Increases the fatigue strength Has no influence on fatigue strength Decreases the fatigue strength Alone has no influence on fatigue strength Increases the fatigue strength Has no influence on fatigue strength Decreases the fatigue strength 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 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 Combined effect of bending stress and curvature of the wire Combined effect of torsional shear stress and transverse shear stress in the wire ANSWER DOWNLOAD EXAMIANS APP
Machine Design A plate with an elliptical hole in the centre, with semi-major axis (a) perpendicular to the direction of loading and semi-minor axis (b) along the direction of loading, is subjected to a pull P. The maximum stress induced at the edge of the hole is equal to (where σ = Stress for a plate with no hole i.e. nominal stress) σ [1 + (2a/b)] σ [1 + (3a/b)] σ [1 + (b/3a)] σ [1 + (b/2a)] σ [1 + (2a/b)] σ [1 + (3a/b)] σ [1 + (b/3a)] σ [1 + (b/2a)] ANSWER DOWNLOAD EXAMIANS APP