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) 3/ (3 + v) 4.5/ (4.5 + v) 6/ (6 + v) 0.75/ (0.75 + √v) 3/ (3 + v) 4.5/ (4.5 + v) 6/ (6 + v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The wear load should be __________ the dynamic load. Greater than Equal to None of these Less than Greater than Equal to None of these Less than ANSWER DOWNLOAD EXAMIANS APP
Machine Design The distribution of the forces along the length of key fitted in a shaft Varies exponentially, being less near the torque-input end Is uniform throughout Varies exponentially, being more near the torque-input end Varies linearly Varies exponentially, being less near the torque-input end Is uniform throughout Varies exponentially, being more near the torque-input end Varies linearly ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to obtain bolt of uniform strength Increase shank diameter Increase its length Tighten die bolt properly Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Increase shank diameter Increase its length Tighten die bolt properly Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following bearing is preferred for oscillating conditions? Angular contact single row ball bearing Double row roller bearing Needle roller bearing Taper roller bearing Angular contact single row ball bearing Double row roller bearing Needle roller bearing Taper roller bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design The modulus of elasticity for mild steel is approximately equal to 100 kN/mm² 210 kN/mm² 80 kN/mm² 110 kN/mm² 100 kN/mm² 210 kN/mm² 80 kN/mm² 110 kN/mm² ANSWER DOWNLOAD EXAMIANS APP