Machine Design When a closely coiled helical spring is subjected to a couple about its axis, the stress induced in the wire material of the spring is A combination of torsional shear stress and bending A combination of bending stress and direct shear stress Direct shear stress only Bending stress only A combination of torsional shear stress and bending A combination of bending stress and direct shear stress Direct shear stress only Bending stress only ANSWER DOWNLOAD EXAMIANS APP
Machine Design The notch sensitivity q is expressed in terms of fatigue stress concentration factor Kf and theoretical stress concentration factor Kt as (Kf - 1)/ (Kt - 1) (Kf + 1)/ (Kt + 1) (Kt - 1)/ (Kf - 1) (Kt + 1)/ (Kf + 1) (Kf - 1)/ (Kt - 1) (Kf + 1)/ (Kt + 1) (Kt - 1)/ (Kf - 1) (Kt + 1)/ (Kf + 1) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for ordinary cut gears operating at velocities up to 12.5 m/s is equal to 3/(3 + v) 4.5/(4.5 + v) 0.75/(0.75 + √v) 6/(6 + v) 3/(3 + v) 4.5/(4.5 + v) 0.75/(0.75 + √v) 6/(6 + v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design In replacing the V-belts, a complete set of new belts is used instead of replacing a single damaged belt because The new belt will carry more than its share and result in short life New and old belts will cause vibrations Belts are available in sets Only one belt cannot be fitted with other used belts The new belt will carry more than its share and result in short life New and old belts will cause vibrations Belts are available in sets Only one belt cannot be fitted with other used belts ANSWER DOWNLOAD EXAMIANS APP
Machine Design The strength of the unriveted plate (P) per pitch length is equal to (p - d) t.σt p.t.σt p.d.σt (p - d) σt (p - d) t.σt p.t.σt p.d.σt (p - d) σt ANSWER DOWNLOAD EXAMIANS APP
Machine Design Guest's theory is used for Elastic materials Brittle materials Ductile materials Plastic materials Elastic materials Brittle materials Ductile materials Plastic materials ANSWER DOWNLOAD EXAMIANS APP