Machine Design For tight leakage joints, following type of thread is best suited Buttress NPT (national pipe threads). Metric Square Buttress NPT (national pipe threads). Metric Square 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 Acceleration/retardation of masses plus stress due to bending Axial load plus stress due to bending Axial load plus stress due to acceleration/retardation Bending plus stress due to acceleration/retardation Acceleration/retardation of masses plus stress due to bending Axial load plus stress due to bending Axial load plus stress due to acceleration/retardation 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 Rankine's theory St Venant's theory Guest's theory Von Mises theory Rankine's theory St Venant's theory Guest's theory Von Mises theory ANSWER DOWNLOAD EXAMIANS APP
Machine Design Cast iron pipes are mainly used In water and sewage systems All of these In pressure lubrication systems on prime movers For conveying steam In water and sewage systems All of these In pressure lubrication systems on prime movers For conveying steam ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which is correct statement? Stress concentration in static loading is Equally serious in both types of materials Very serious in brittle materials and less serious in ductile materials Seriousness would depend on other factors Very serious in ductile materials and less serious in brittle materials Equally serious in both types of materials Very serious in brittle materials and less serious in ductile materials Seriousness would depend on other factors Very serious in ductile materials and less serious in brittle materials ANSWER DOWNLOAD EXAMIANS APP