Machine Design The helix angle for double helical gears may be made up to 60° 75° 90° 45° 60° 75° 90° 45° ANSWER DOWNLOAD EXAMIANS APP
Machine Design In hydrodynamic bearings The oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant Grease is used for lubrication The oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant Grease is used for lubrication ANSWER DOWNLOAD EXAMIANS APP
Machine Design The acme threads are usually found on Railway carriage couplings Feed mechanism of machine tools Screw cutting lathes Spindles of bench vices Railway carriage couplings Feed mechanism of machine tools Screw cutting lathes Spindles of bench vices ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be 2.8 3.0 3.5 2.5 2.8 3.0 3.5 2.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The yield point in static loading is __________ as compared to fatigue loading. Same None of these Higher Lower Same None of these Higher Lower ANSWER DOWNLOAD EXAMIANS APP
Machine Design The face angle of a bevel gear is equal to Pitch angle + dedendum angle Pitch angle - dedendum angle Pitch angle - addendum angle Pitch angle + addendum angle Pitch angle + dedendum angle Pitch angle - dedendum angle Pitch angle - addendum angle Pitch angle + addendum angle ANSWER DOWNLOAD EXAMIANS APP
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