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 Acme threads Buttress threads Knuckle threads Square threads Acme threads Buttress threads Knuckle threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design The initial tension (in newtons) in a bolt used for making a fluid tight joint like steam engine cover joints, is calculated by the relation (where d = Nominal diameter of bolt in mm) 1680 d 2840 d 1420 d 2080 d 1680 d 2840 d 1420 d 2080 d 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) 1.875 × (π/4) d² × τ × n (π/4) d² × τ × n 2 × (π/4) d² × τ × n 3 × (π/4) d² × τ × n 1.875 × (π/4) d² × τ × n (π/4) d² × τ × n 2 × (π/4) d² × τ × n 3 × (π/4) d² × τ × n ANSWER DOWNLOAD EXAMIANS APP
Machine Design Pitch point of a cam is A point on the pitch curve having minimum pressure angle Any point on the pitch circle A point on the pitch curve having maximum pressure angle Any point on the pitch curve A point on the pitch curve having minimum pressure angle Any point on the pitch circle A point on the pitch curve having maximum pressure angle Any point on the pitch curve ANSWER DOWNLOAD EXAMIANS APP
Machine Design The usual proportion for the width of key is (where d = Diameter of shaft or diameter of hole in the hub) d/8 d/2 d/6 d/4 d/8 d/2 d/6 d/4 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The plasticity is the property of a material which enables it to Draw into wires by the application of a tensile force Resist fracture due to high impact loads Regain its original shape after deformation when the external forces are removed Retain deformation produced under load permanently Draw into wires by the application of a tensile force Resist fracture due to high impact loads Regain its original shape after deformation when the external forces are removed Retain deformation produced under load permanently ANSWER DOWNLOAD EXAMIANS APP
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