Machine Design A flange coupling is used to connect two shafts Which are perfectly aligned Which are not in exact alignment Whose axes intersect at a small angle Have lateral misalignment Which are perfectly aligned Which are not in exact alignment Whose axes intersect at a small angle Have lateral misalignment ANSWER DOWNLOAD EXAMIANS APP
Machine Design If T is the actual number of teeth on a helical gear and φ is the helix angle for the teeth, then formative number of teeth is written as T/sec³φ T cosecφ T sec³φ T sec²φ T/sec³φ T cosecφ T sec³φ T sec²φ ANSWER DOWNLOAD EXAMIANS APP
Machine Design Brittle coating technique is used for Determining brittleness Protecting metal against corrosion Experimental stress analysis Protecting metal against wear and tear Determining brittleness Protecting metal against corrosion Experimental stress analysis Protecting metal against wear and tear ANSWER DOWNLOAD EXAMIANS APP
Machine Design In hydrodynamic bearings Do not require external supply of lubricant The oil film is maintained by supplying oil under pressure Grease is used for lubrication The oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant The oil film is maintained by supplying oil under pressure Grease is used for lubrication The oil film pressure is generated only by the rotation of the journal ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration in cyclic loading is more serious in Ductile materials Depends on other factors Equally serious in both cases Brittle materials Ductile materials Depends on other factors Equally serious in both cases Brittle materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design The groove angle of pulleys for V-belt is 420 to 450 More than 400 300 to 320 340 to 360 420 to 450 More than 400 300 to 320 340 to 360 ANSWER DOWNLOAD EXAMIANS APP