Machine Design The load cup of a screw jack is made separate from the head of the spindle to Reduce the effort needed for lifting the working load Reduce the value of frictional torque Prevent the rotation of load being lifted Enhance the load carrying capacity of the jack Reduce the effort needed for lifting the working load Reduce the value of frictional torque Prevent the rotation of load being lifted Enhance the load carrying capacity of the jack ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., shearing resistance required to shear off the rivet per pitch length (in double shear) is (where n = Number of rivets per pitch length) 3 × (π/4) d² × τ × n 2 × (π/4) d² × τ × n 1.875 × (π/4) d² × τ × n (π/4) d² × τ × n 3 × (π/4) d² × τ × n 2 × (π/4) d² × τ × n 1.875 × (π/4) d² × τ × n (π/4) d² × τ × n ANSWER DOWNLOAD EXAMIANS APP
Machine Design Maximum principal stress theory is applicable for Brittle materials Ductile materials Elastic materials All of these Brittle materials Ductile materials Elastic materials All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design All stresses produced in a belt are Both tensile and compressive stresses Compressive stresses Shear stresses Tensile stresses Both tensile and compressive stresses Compressive stresses Shear stresses Tensile stresses ANSWER DOWNLOAD EXAMIANS APP
Machine Design When spring index increases, the value of Wahl's stress factor Increases linearly Increases exponentially Remains same Decreases linearly Increases linearly Increases exponentially Remains same Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
Machine Design For hardening alloy steels and high speed steels, they are heated to 500 to 600°C 700 to 900°C 1100 to 1300°C 1300 to 1500°C 500 to 600°C 700 to 900°C 1100 to 1300°C 1300 to 1500°C ANSWER DOWNLOAD EXAMIANS APP
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