Machine Design The railway carriage couplings have Buttress threads Knuckle threads Acme threads Square threads Buttress threads Knuckle threads Acme threads Square threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a shaft is subjected to combined twisting moment (T) and bending moment (M), then the equivalent twisting moment is equal to √(M² + T²) (1/2) × √(M² + T²) M + √(M² + T²) (1/2) × [M + √(M² + T²)] √(M² + T²) (1/2) × √(M² + T²) M + √(M² + T²) (1/2) × [M + √(M² + T²)] 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 8W/9 W/2 W/9 2W/3 8W/9 W/2 W/9 2W/3 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The application of second type levers is found in Lever of a loaded safety valve Handle of a hand pump A pair of tongs Hand wheel of a punching press Lever of a loaded safety valve Handle of a hand pump A pair of tongs Hand wheel of a punching press ANSWER DOWNLOAD EXAMIANS APP
Machine Design Pick up wrong statement. Fatigue strength can be increased by Grinding and lapping surface Cold working Hot working Shot peening Grinding and lapping surface Cold working Hot working Shot peening ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which is correct statement? Stress concentration in cyclic loading is Very serious in ductile materials and less serious in brittle materials Equally serious in both types of materials Seriousness would depend on other factors Very serious in brittle materials and less serious in ductile materials Very serious in ductile materials and less serious in brittle materials Equally serious in both types of materials Seriousness would depend on other factors Very serious in brittle materials and less serious in ductile materials ANSWER DOWNLOAD EXAMIANS APP