Machine Design Which is correct statement? Stress concentration in static loading is Equally serious in both types of materials Very serious in brittle materials and less serious in ductile materials Seriousness would depend on other factors Very serious in ductile materials and less serious in brittle materials Equally serious in both types of materials Very serious in brittle materials and less serious in ductile materials Seriousness would depend on other factors Very serious in ductile materials and less serious in brittle materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design For a square key made of mild steel, the shear and crushing strength are related as Shear strength is equal to crushing strength Shear strength is greater than crushing strength Shear strength is less than crushing strength None of these Shear strength is equal to crushing strength Shear strength is greater than crushing strength Shear strength is less than crushing strength None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following is a permanent fastening? Keys Rivets Cotters Bolts Keys Rivets Cotters Bolts ANSWER DOWNLOAD EXAMIANS APP
Machine Design At low temperatures (say 75°C) the notched bar impact value of steel Remain same Decreases markedly Increases markedly Depends on heat treatment carried out Remain same Decreases markedly Increases markedly Depends on heat treatment carried out ANSWER DOWNLOAD EXAMIANS APP
Machine Design Gear box is used To obtain variable speeds To increase efficiency of system For speed reduction To produce torque To obtain variable speeds To increase efficiency of system For speed reduction To produce torque ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shock absorbing capacity of a bolt may be increased by Tightening the bolt properly Increasing its shank diameter Decreasing its shank diameter Making the shank diameter equal to core diameter of thread Tightening the bolt properly Increasing its shank diameter Decreasing its shank diameter Making the shank diameter equal to core diameter of thread ANSWER DOWNLOAD EXAMIANS APP