Machine Design If a load W is applied instantaneously on a bar; Then the stress induced in bar will Increase with increase in y Depend on other considerations Be independent of ratio of mass of load W to mass of bar (y) Decrease with decrease in y Increase with increase in y Depend on other considerations Be independent of ratio of mass of load W to mass of bar (y) Decrease with decrease in y ANSWER DOWNLOAD EXAMIANS APP
Machine Design Tapered roller bearings can take Axial load only Radial load only Both radial and axial loads and the ratio of these being greater than unity Both radial and axial loads and the ratio of these being less than unity Axial load only Radial load only Both radial and axial loads and the ratio of these being greater than unity Both radial and axial loads and the ratio of these being less than unity ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a hole of diameter ‘d’ is punched in a metal of thickness 't', then the force required to punch a hole is equal to (where τu = Ultimate shear strength of the material of the plate) π/4 × d².τu πd.t.τu t.τu π/4 × d² × tτu π/4 × d².τu πd.t.τu t.τu π/4 × d² × tτu ANSWER DOWNLOAD EXAMIANS APP
Machine Design For standard coarse threads of nut, the threads will be as strong in failure by shear as the bolt in tension, if the height of nut (h) is approximately 0.8 times 0.4 times 0.6 times 0.7 times 0.8 times 0.4 times 0.6 times 0.7 times ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., when the thickness of the boiler shell (t) is less than 8 mm, then the diameter of the rivet hole (d) is obtained by Equating shearing resistance to the crushing resistance of the rivets None of these Equating tearing resistance of the plate to the shearing resistance of the rivets Equating tearing resistance of the plate to the crushing resistance of the rivets Equating shearing resistance to the crushing resistance of the rivets None of these Equating tearing resistance of the plate to the shearing resistance of the rivets Equating tearing resistance of the plate to the crushing resistance of the rivets ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts ‘A’ and ‘B’ under pure torsion are of identical length and identical weight and are made of the same material. The shaft ‘A’ is solid and the shaft ‘B’ is hollow. We can say that Shaft B is better than shaft A Both the shafts are equally good Shaft A is better than shaft B None of these Shaft B is better than shaft A Both the shafts are equally good Shaft A is better than shaft B None of these ANSWER DOWNLOAD EXAMIANS APP