Machine Design In order to ensure self locking in a screw jack, it is essential that helix angle is __________ friction angle. Equal to Larger than Smaller than None of these Equal to Larger than Smaller than None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The usual clearance provided in hydrodynamic bearing per mm of diameter of shaft is 0.01 micron 1 micron 0.1 micron 10 microns 0.01 micron 1 micron 0.1 micron 10 microns ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following screw thread is adopted for power transmission in either direction? Square threads Buttress threads Multiple threads Acme threads Square threads Buttress threads Multiple threads Acme threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design For steel, the ultimate strength in shear as compared to ultimate strength in tension is 43832 43833 43834 43864 43832 43833 43834 43864 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration in static 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
Machine Design A plate with an elliptical hole in the centre, with semi-major axis (a) perpendicular to the direction of loading and semi-minor axis (b) along the direction of loading, is subjected to a pull P. The maximum stress induced at the edge of the hole is equal to (where σ = Stress for a plate with no hole i.e. nominal stress) σ [1 + (3a/b)] σ [1 + (b/2a)] σ [1 + (2a/b)] σ [1 + (b/3a)] σ [1 + (3a/b)] σ [1 + (b/2a)] σ [1 + (2a/b)] σ [1 + (b/3a)] ANSWER DOWNLOAD EXAMIANS APP
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