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) 2 × (π/4) d² × τ × n 1.875 × (π/4) d² × τ × n 3 × (π/4) d² × τ × n (π/4) d² × τ × n 2 × (π/4) d² × τ × n 1.875 × (π/4) d² × τ × n 3 × (π/4) d² × τ × n (π/4) d² × τ × n ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct regarding power screws? The efficiency of Acme (trapezoidal) thread is less than that of a square thread Both (A) and (B) The efficiency of a self locking screw can not be more than 50% If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% The efficiency of Acme (trapezoidal) thread is less than that of a square thread Both (A) and (B) The efficiency of a self locking screw can not be more than 50% If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the shaft rotates in anticlockwise direction at slow speed in a bearing, it will Move towards left of the bearing making metal to metal contact Move towards right of the bearing making no metal to metal contact Have contact at the bottom most of the bearing Move towards right of the bearing making the metal to metal contact Move towards left of the bearing making metal to metal contact Move towards right of the bearing making no metal to metal contact Have contact at the bottom most of the bearing Move towards right of the bearing making the metal to metal contact ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a flange coupling, the pitch circle diameter of bolts is taken as (where d = Diameter of the shaft) 5 d 4 d 3 d 2 d 5 d 4 d 3 d 2 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design In replacing the V-belts, a complete set of new belts is used instead of replacing a single damaged belt because Belts are available in sets Only one belt cannot be fitted with other used belts The new belt will carry more than its share and result in short life New and old belts will cause vibrations Belts are available in sets Only one belt cannot be fitted with other used belts The new belt will carry more than its share and result in short life New and old belts will cause vibrations ANSWER DOWNLOAD EXAMIANS APP
Machine Design Fibrous fracture occurs in Brittle material Ductile material Hard material Elastic material Brittle material Ductile material Hard material Elastic material ANSWER DOWNLOAD EXAMIANS APP
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