Machine Design According to Indian standard specifications, plain carbon steel designated by 40C8 contains carbon 0.40 to 0.60% 0.35 to 0.45% None of these 0.20 to 0.40% 0.40 to 0.60% 0.35 to 0.45% None of these 0.20 to 0.40% ANSWER DOWNLOAD EXAMIANS APP
Machine Design When bevel gears having equal teeth and equal pitch angles connect two shafts whose axes intersect at right angle, then they are known as Angular bevel gears Miter gears Crown bevel gears Internal bevel gears Angular bevel gears Miter gears Crown bevel gears Internal bevel gears ANSWER DOWNLOAD EXAMIANS APP
Machine Design A connecting rod is designed as a All of these Long column Strut Short column All of these Long column Strut Short column ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be 2.5 3.0 2.8 3.5 2.5 3.0 2.8 3.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Cold working Increases the fatigue strength Decreases the fatigue strength Has no influence on fatigue strength Alone has no influence on fatigue strength Increases the fatigue strength Decreases the fatigue strength Has no influence on fatigue strength Alone has no influence on fatigue strength 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 6/ (6 + v) 3/ (3 + v) 0.75/ (0.75 + √v) 4.5/ (4.5 + v) 6/ (6 + v) 3/ (3 + v) 0.75/ (0.75 + √v) 4.5/ (4.5 + v) ANSWER DOWNLOAD EXAMIANS APP