Machine Design The material commonly used for machine tool bodies is Mild steel Cast iron Aluminium Brass Mild steel Cast iron Aluminium Brass ANSWER DOWNLOAD EXAMIANS APP
Machine Design The endurance limit for a mirror polished material will be __________ as compared to unpolished material. More Less Same None of these More Less Same None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the centre distance of the mating gears having involute teeth is increased, then the pressure angle Increases None of these Decreases Remains unchanged Increases None of these Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Machine Design A metal pipe of 1 m diameter contains a fluid having a pressure of 1 N/mm². If the permissible tensile stress in the metal is 20 N/mm², then the thickness of the metal required for making the pipe will be 5 mm 25 mm 10 mm 15 mm 5 mm 25 mm 10 mm 15 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design A plate with an elliptical hole in the centre, with semi-major axis (a) perpendicular to the direction of loading and semi-minor axis (b) along the direction of loading, is subjected to a pull P. The maximum stress induced at the edge of the hole is equal to (where σ = Stress for a plate with no hole i.e. nominal stress) σ [1 + (3a/b)] σ [1 + (b/3a)] σ [1 + (b/2a)] σ [1 + (2a/b)] σ [1 + (3a/b)] σ [1 + (b/3a)] σ [1 + (b/2a)] σ [1 + (2a/b)] ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of the ultimate stress to the design stress is known as Elastic limit Bulk modulus Strain Factor of safety Elastic limit Bulk modulus Strain Factor of safety ANSWER DOWNLOAD EXAMIANS APP