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 A transmission shaft includes Over head shaft Counter shaft Line shaft All of these Over head shaft Counter shaft Line shaft All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The process extensively used for making bolts and nuts is Cold peening Cold heading Hot piercing Extrusion Cold peening Cold heading Hot piercing Extrusion ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the belt is transmitting maximum power, the belt speed should be(Where, m = mass of belt per meter (kg/m) and Pmax = maximum permissible tension in belt (N)) √(Pmax / m) √(Pmax / 2m) √(3m /Pmax) √(Pmax / 3m) √(Pmax / m) √(Pmax / 2m) √(3m /Pmax) √(Pmax / 3m) ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a turnbuckle, if one of the rods has left hand threads, then the other rod will have Right hand threads Multiple threads Pointed threads Left hand threads Right hand threads Multiple threads Pointed threads Left hand threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design The arms of the pulleys for flat belt drive have All the three characteristics Elliptical cross-section Major axis twice the minor axis Major axis in plane of rotation All the three characteristics Elliptical cross-section Major axis twice the minor axis Major axis in plane of rotation ANSWER DOWNLOAD EXAMIANS APP