Machine Design Shaft coupling is used in machinery to Introduce mechanical flexibility Introduce protection against over loads All of these Reduce the transmission of shock loads Introduce mechanical flexibility Introduce protection against over loads All of these Reduce the transmission of shock loads ANSWER DOWNLOAD EXAMIANS APP
Machine Design If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (neglecting centrifugal tension) will be equal to (Where, Pc is centrifugal tension) P1 - P2 ⅟₂ × (P1 + P2) P1 + P2 [⅟₂ × (P1 + P2)] + Pc P1 - P2 ⅟₂ × (P1 + P2) P1 + P2 [⅟₂ × (P1 + P2)] + Pc ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for precision metallic gears cut with high accuracy and operating at velocities up to 20 m/s is equal to 0.75/ (0.75 + √v) 6/ (6 + v) 4.5/ (4.5 + v) 3/ (3 + v) 0.75/ (0.75 + √v) 6/ (6 + v) 4.5/ (4.5 + v) 3/ (3 + v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The design of shafts made of brittle materials is based on Von Mises theory St Venant's theory Rankine's theory Guest's theory Von Mises theory St Venant's theory Rankine's theory Guest's theory ANSWER DOWNLOAD EXAMIANS APP
Machine Design The constant factor in case of R10 series of preferred numbers is 1.26 1.58 1.12 1.06 1.26 1.58 1.12 1.06 ANSWER DOWNLOAD EXAMIANS APP
Machine Design A locking device in which the bottom cylindrical portion is recessed to receive the tip of the locking set screw, is called Castle nut Ring nut Jam nut Sawn nut Castle nut Ring nut Jam nut Sawn nut ANSWER DOWNLOAD EXAMIANS APP