Machine Design The allowable static stress for steel gears is approximately __________ of the ultimate tensile stress. One-half One-fourth One-third Double One-half One-fourth One-third Double ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two helical springs of the same material and of equal circular cross-section, length and number of turns, but having radii 80 mm and 40 mm, kept concentrically (smaller radius spring within the larger radius spring), are compressed between two parallel planes with a load W. The inner spring will carry a load equal to W/2 W/9 2W/3 8W/9 W/2 W/9 2W/3 8W/9 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The circumferential and longitudinal strains in a cylindrical boiler under internal steam pressure are εc and εl respectively. The change in volume of the boiler cylinder per unit volume will be εc² + εl εc + 2εl 2εc + εl εc + εl² εc² + εl εc + 2εl 2εc + εl εc + εl² ANSWER DOWNLOAD EXAMIANS APP
Machine Design Residual stress in materials Becomes zero when external load is removed Acts when external load is applied Is always harmful Is independent of external loads Becomes zero when external load is removed Acts when external load is applied Is always harmful Is independent of external loads ANSWER DOWNLOAD EXAMIANS APP
Machine Design The design of shafts made of brittle materials is based on St Venant's theory Guest's theory Rankine's theory Von Mises theory St Venant's theory Guest's theory Rankine's theory Von Mises theory 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). 20 m/s 12.5 m/s 10 m/s 15 m/s 20 m/s 12.5 m/s 10 m/s 15 m/s ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS