Machine Design When spring index increases, the value of Wahl's stress factor Remains same Decreases linearly Increases linearly Increases exponentially Remains same Decreases linearly Increases linearly Increases exponentially ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bending moment ‘M’ and a torque ‘T’ is applied on a solid circular shaft. If the maximum bending stress equals to maximum shear stress developed, then ‘M’ is equal to 1 T 4 T 2 T T/2 1 T 4 T 2 T T/2 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 less than crushing strength Shear strength is greater than crushing strength Shear strength is equal to crushing strength None of these Shear strength is less than crushing strength Shear strength is greater than crushing strength Shear strength is equal to crushing strength None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a flange coupling, the bolts are subjected to Shear stress Compressive stress Tensile stress None of these Shear stress Compressive stress Tensile stress None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two rigid plates are clamped by means of bolt and nut with an initial force F. After tightening, a separating force P (P < F) is applied to the lower plate, which in turn acts on the nut. The tension in the both after this is P F.P F F + P P F.P F F + P ANSWER DOWNLOAD EXAMIANS APP
Machine Design When screw threads are to be used in a situation where power is being transmitted in one direction only, then the screw threads suitable for this will be Square threads Buttress threads Knuckle threads Acme threads Square threads Buttress threads Knuckle threads Acme threads ANSWER DOWNLOAD EXAMIANS APP