Machine Design The objective of 'crowning' of the flat pulleys of belt drive is to Prevent the belt joint from damaging the belt surface Prevent the belt from running off the pulley Increase the belt velocity Increase the power transmission capacity Prevent the belt joint from damaging the belt surface Prevent the belt from running off the pulley Increase the belt velocity Increase the power transmission capacity ANSWER DOWNLOAD EXAMIANS APP
Machine Design In case of thick cylinders, the tangential stress across the thickness of cylinder is Maximum at the inner surface and zero at the outer surface Maximum at the outer surface and minimum at the inner surface Maximum at the inner surface and minimum at the outer surface Maximum at the outer surface and zero at the inner surface Maximum at the inner surface and zero at the outer surface Maximum at the outer surface and minimum at the inner surface Maximum at the inner surface and minimum at the outer surface Maximum at the outer surface and zero at the inner surface ANSWER DOWNLOAD EXAMIANS APP
Machine Design The elasticity is the property of a material which enables it to Resists fracture due to high impact loads Regains its original shape after deformation when the external forces are removed Retain deformation produced under load permanently Draw into wires by the application of a tensile force Resists fracture due to high impact loads Regains its original shape after deformation when the external forces are removed Retain deformation produced under load permanently Draw into wires by the application of a tensile force ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following has threads at both ends? Stud Tap bolt None of these Bolt Stud Tap bolt None of these Bolt ANSWER DOWNLOAD EXAMIANS APP
Machine Design Residual stress in materials Becomes zero when external load is removed Acts when external load is applied Is always harmful Is independent of external loads Becomes zero when external load is removed Acts when external load is applied Is always harmful Is independent of external loads 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 3.5 2.8 2.5 3 3.5 2.8 2.5 3 ANSWER DOWNLOAD EXAMIANS APP
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