Machine Design When a shaft is subjected to combined twisting moment (T) and bending moment (M), then the equivalent twisting moment is equal to (1/2) × [M + √(M² + T²)] (1/2) × √(M² + T²) M + √(M² + T²) √(M² + T²) (1/2) × [M + √(M² + T²)] (1/2) × √(M² + T²) M + √(M² + T²) √(M² + T²) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The effective stress in wire ropes during normal working is equal to the stress due to Bending plus stress due to acceleration/retardation Axial load plus stress due to acceleration/retardation Acceleration/retardation of masses plus stress due to bending Axial load plus stress due to bending Bending plus stress due to acceleration/retardation Axial load plus stress due to acceleration/retardation Acceleration/retardation of masses plus stress due to bending Axial load plus stress due to bending ANSWER DOWNLOAD EXAMIANS APP
Machine Design The constant factor in case of R10 series of preferred numbers is 1.06 1.26 1.12 1.58 1.06 1.26 1.12 1.58 ANSWER DOWNLOAD EXAMIANS APP
Machine Design A sliding bearing in which although lubricant is present, the working surfaces __________ contact each other at least part of the time, is called boundary lubricated bearing. Partially Either A or B Fully None of these Partially Either A or B Fully None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design Residual stress in materials 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 Becomes zero when external load is removed ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration in cyclic loading is more serious in Brittle materials Depends on other factors Ductile materials Equally serious in both cases Brittle materials Depends on other factors Ductile materials Equally serious in both cases ANSWER DOWNLOAD EXAMIANS APP