Machine Design For tight leakage joints, following type of thread is best suited NPT (national pipe threads). Metric Buttress Square NPT (national pipe threads). Metric Buttress Square ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the belt is transmitting maximum power, the belt speed should be(Where, m = mass of belt per meter (kg/m) and Pmax = maximum permissible tension in belt (N)) √(3m /Pmax) √(Pmax / 2m) √(Pmax / 3m) √(Pmax / m) √(3m /Pmax) √(Pmax / 2m) √(Pmax / 3m) √(Pmax / m) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The longitudinal joint in boilers is used to get the required Efficiency of boiler Length of boiler Diameter of boiler Length and diameter of boiler Efficiency of boiler Length of boiler Diameter of boiler Length and diameter of boiler ANSWER DOWNLOAD EXAMIANS APP
Machine Design A riveted joint is a __________ fastening. Temporary None of these Either A or B Permanent Temporary None of these Either A or B Permanent ANSWER DOWNLOAD EXAMIANS APP
Machine Design The effective stress in wire ropes during normal working is equal to the stress due to Acceleration/retardation of masses plus stress due to bending Axial load plus stress due to acceleration/retardation Bending plus stress due to acceleration/retardation Axial load plus stress due to bending Acceleration/retardation of masses plus stress due to bending Axial load plus stress due to acceleration/retardation Bending plus stress due to acceleration/retardation Axial load plus stress due to bending ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which is correct statement? Stress concentration in cyclic loading is Equally serious in both types of materials Very serious in ductile materials and less serious in brittle materials Seriousness would depend on other factors Very serious in brittle materials and less serious in ductile materials Equally serious in both types of materials Very serious in ductile materials and less serious in brittle materials Seriousness would depend on other factors Very serious in brittle materials and less serious in ductile materials ANSWER DOWNLOAD EXAMIANS APP