Machine Design A screw will be self locking, if Friction angle is equal to helix angle Efficiency of screw is 100% Friction angle is less than helix angle Friction angle is more than helix angle Friction angle is equal to helix angle Efficiency of screw is 100% Friction angle is less than helix angle Friction angle is more than helix angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design For standard coarse threads of nut, the threads will be as strong in failure by shear as the bolt in tension, if the height of nut (h) is approximately 0.6 times 0.7 times 0.4 times 0.8 times 0.6 times 0.7 times 0.4 times 0.8 times ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bearing characteristic number in a hydrodynamic bearing depends upon Length, width and speed Length, width and load Viscosity, speed and load Viscosity, speed and bearing pressure Length, width and speed Length, width and load Viscosity, speed and load Viscosity, speed and bearing pressure ANSWER DOWNLOAD EXAMIANS APP
Machine Design For crank shaft bearings, the ratio of the length of the journal to its diameter is_________. None of these Less than unity Equal to 1 Greater than unity None of these Less than unity Equal to 1 Greater than unity ANSWER DOWNLOAD EXAMIANS APP
Machine Design The angle of twist of shaft is Inversely proportional to (shaft diameter)⁴ Inversely proportional to (shaft diameter)² Directly proportional to (shaft diameter)² Directly proportional to (shaft diameter)⁴ Inversely proportional to (shaft diameter)⁴ Inversely proportional to (shaft diameter)² Directly proportional to (shaft diameter)² Directly proportional to (shaft diameter)⁴ ANSWER DOWNLOAD EXAMIANS APP
Machine Design While designing a screw in a screw jack against buckling failure, the end conditions for the screw are taken as Both the ends hinged One end fixed and the other end hinged One end fixed and the other end free Both the ends fixed Both the ends hinged One end fixed and the other end hinged One end fixed and the other end free Both the ends fixed ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS