Machine Design Which of the following key is preferred for the condition when a large amount of impact type torque is to be transmitted in both direction of rotation? Gib-head key Woodruff key Feather key Tangent key Gib-head key Woodruff key Feather key Tangent key 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 3 2.5 3.5 2.8 3 2.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The objective of 'crowning' of the flat pulleys of belt drive is to 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 Prevent the belt joint from damaging the belt surface ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centrifugal tension in belts Increases the power transmitted Increases the belt tension without increasing power transmission Increase the wrap angle Decreases the power transmitted Increases the power transmitted Increases the belt tension without increasing power transmission Increase the wrap angle Decreases the power transmitted ANSWER DOWNLOAD EXAMIANS APP
Machine Design The elasticity is the property of a material which enables it to 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 Resists fracture due to high impact loads ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is specified by its Pitch Major diameter Minor diameter Pitch diameter Pitch Major diameter Minor diameter Pitch diameter ANSWER DOWNLOAD EXAMIANS APP
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