Machine Design In Vickers hardness testing, the pyramid indentor apex is 152° 40° 136° 122° 152° 40° 136° 122° ANSWER DOWNLOAD EXAMIANS APP
Machine Design When an open coiled helical compression spring is subjected to an axial compressive load, the maximum shear stress induced in the wire is (where D = Mean diameter of the spring coil, d = Diameter of the spring wire, K = Wahl's stress factor, and W = Axial compressive load on the spring) (WD/ πd3) × K (4WD/ πd3) × K (8WD/ πd3) × K (2WD/ πd3) × K (WD/ πd3) × K (4WD/ πd3) × K (8WD/ πd3) × K (2WD/ πd3) × K ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for very accurately cut and ground metallic gears operating at velocities upto __________ are equal to 6/(6 + v). 15 m/s 20 m/s 12.5 m/s 10 m/s 15 m/s 20 m/s 12.5 m/s 10 m/s ANSWER DOWNLOAD EXAMIANS APP
Machine Design The yield point in static loading is __________ as compared to fatigue loading. Lower None of these Higher Same Lower None of these Higher Same 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 3/ (3 + v) 6/ (6 + v) 4.5/ (4.5 + v) 0.75/ (0.75 + √v) 3/ (3 + v) 6/ (6 + v) 4.5/ (4.5 + v) 0.75/ (0.75 + √v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct, for two shafts connected in parallel? Angle of twist of each shaft is the same Shear stress in each shaft is the same Torque in each shaft is the same Torsional stiffness of each shaft is the same Angle of twist of each shaft is the same Shear stress in each shaft is the same Torque in each shaft is the same Torsional stiffness of each shaft is the same ANSWER DOWNLOAD EXAMIANS APP