Machine Design For high speed engines, the cam follower should move with Uniform acceleration and retardation Cycloidal motion Simple harmonic motion Uniform velocity Uniform acceleration and retardation Cycloidal motion Simple harmonic motion Uniform velocity ANSWER DOWNLOAD EXAMIANS APP
Machine Design The dynamic tooth load is due to Irregularities in tooth profiles All of these Deflections of teeth under load Inaccuracies of tooth spacing Irregularities in tooth profiles All of these Deflections of teeth under load Inaccuracies of tooth spacing 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) 4.5/ (4.5 + v) 3/ (3 + v) 6/ (6 + v) 0.75/ (0.75 + √v) 4.5/ (4.5 + v) 3/ (3 + v) 6/ (6 + v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration in cyclic loading is more serious in Brittle materials Equally serious in both cases Ductile materials Depends on other factors Brittle materials Equally serious in both cases Ductile materials Depends on other factors 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) 1420 d 2840 d 2080 d 1680 d 1420 d 2840 d 2080 d 1680 d 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 0.25 0.5 0.6 0.2 0.25 0.5 0.6 0.2 ANSWER DOWNLOAD EXAMIANS APP