Machine Design In the case of an elastic bar fixed at upper end and loaded by a falling weight at lower end, the shock load produced can be decreased by Remain unaffected with cross-section area Decreasing the cross-section area of bar Increasing the cross-section area of bar Would depend upon other factors Remain unaffected with cross-section area Decreasing the cross-section area of bar Increasing the cross-section area of bar Would depend upon other factors ANSWER DOWNLOAD EXAMIANS APP
Machine Design The angle of twist of shaft is Inversely proportional to (shaft diameter)⁴ Directly proportional to (shaft diameter)⁴ Inversely proportional to (shaft diameter)² Directly proportional to (shaft diameter)² Inversely proportional to (shaft diameter)⁴ Directly proportional to (shaft diameter)⁴ Inversely proportional to (shaft diameter)² Directly proportional to (shaft diameter)² ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct, for two shafts connected in parallel? Shear stress in each shaft is the same Torsional stiffness of each shaft is the same Angle of twist of each shaft is the same Torque in each shaft is the same Shear stress in each shaft is the same Torsional stiffness of each shaft is the same Angle of twist of each shaft is the same Torque in each shaft is the same ANSWER DOWNLOAD EXAMIANS APP
Machine Design If T₁ and T₂ are the tensions on the tight and slack sides of the belt respectively, and Tc is the centrifugal tension, then initial tension in the belt is equal to (T₁ + T₂ + Tc)/2 (T₁ - T₂ + Tc)/2 T₁ - T₂ + Tc T₁ + T₂ + Tc (T₁ + T₂ + Tc)/2 (T₁ - T₂ + Tc)/2 T₁ - T₂ + Tc T₁ + T₂ + Tc ANSWER DOWNLOAD EXAMIANS APP
Machine Design A tube has the following advantage over pipe Smoother inside walls All of these Greater shock absorption Lighter and easier to handle Smoother inside walls All of these Greater shock absorption Lighter and easier to handle 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) t.τu πd.t.τu π/4 × d² × tτu π/4 × d².τu t.τu πd.t.τu π/4 × d² × tτu π/4 × d².τu ANSWER DOWNLOAD EXAMIANS APP
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