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 transverse shear stress and bending stress in the wire Combined effect of transverse shear stress and curvature of wire Combined effect of torsional shear stress and transverse shear stress in the wire Combined effect of bending stress and curvature of 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 torsional shear stress and transverse shear stress in the wire ANSWER DOWNLOAD EXAMIANS APP
Machine Design Pick up wrong statement. Fatigue strength can be increased by Hot working Shot peening Cold working Grinding and lapping surface Hot working Shot peening Cold working Grinding and lapping surface ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of belt tensions (p1/p2) considering centrifugal force in flat belt is given by Where m = mass of belt per meter (kg/m) v = belt velocity (m/s) f = coefficient of friction a = angle of wrap (radians) (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stress in the bar when the load is applied suddenly is __________ as compared to the stress induced due to gradually applied loads. Three times Four times Same Double Three times Four times Same Double ANSWER DOWNLOAD EXAMIANS APP
Machine Design The included angle for the British Association thread is 55° 47.3° 60° 29° 55° 47.3° 60° 29° ANSWER DOWNLOAD EXAMIANS APP
Machine Design Wire ropes as compared to cotton ropes Offer silent operation All of these Are lighter in weight Can withstand shock loads Offer silent operation All of these Are lighter in weight Can withstand shock loads ANSWER DOWNLOAD EXAMIANS APP