Machine Design Tensile strength of a mild steel specimen can be roughly predicted from following hardness test Rockwell Brinell Vickers None of these Rockwell Brinell Vickers None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a circular beam of diameter d is subjected to a shear force F, the maximum shear stress induced will be 8F/ πd² 16F/ 3πd² 4F/ πd² 6F/ πd² 8F/ πd² 16F/ 3πd² 4F/ πd² 6F/ πd² ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the tearing efficiency of a riveted joint is 75%, then the ratio of diameter of rivet to the pitch is equal to 0.6 0.25 0.2 0.5 0.6 0.25 0.2 0.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Idler pulley is used for Increasing velocity ratio For applying tension All of these Changing the direction of motion of belt Increasing velocity ratio For applying tension All of these Changing the direction of motion of belt 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 (T₁ + T₂ + Tc)/2 T₁ + T₂ + Tc (T₁ - T₂ + Tc)/2 T₁ - T₂ + Tc (T₁ + T₂ + Tc)/2 T₁ + T₂ + Tc ANSWER DOWNLOAD EXAMIANS APP
Machine Design A compound cylinder with inner radius 50 mm and outer radius 70 mm is made by shrinking one cylinder on to the other cylinder, the junction radius is 60 mm and the junction pressure is 1.1 N/mm². The maximum hoop stress developed in the inner cylinder is 7.2 N/mm² tension 7.2 N/mm² compression 3.6 N/mm² compression 3.6 N/mm² tension 7.2 N/mm² tension 7.2 N/mm² compression 3.6 N/mm² compression 3.6 N/mm² tension ANSWER DOWNLOAD EXAMIANS APP