Machine Design Stress concentration is caused due to All of these Abrupt change of section Pitting at points or areas at which loads on a member are applied Variation in properties of material from point to point in a member All of these Abrupt change of section Pitting at points or areas at which loads on a member are applied Variation in properties of material from point to point in a member 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 2.5 3.5 2.8 3 2.5 3.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Auto frettage is the method of Pre-stressing thick cylinders Calculating stresses in thick cylinders Joining thick cylinders Increasing the life of thick cylinders Pre-stressing thick cylinders Calculating stresses in thick cylinders Joining thick cylinders Increasing the life of thick cylinders ANSWER DOWNLOAD EXAMIANS APP
Machine Design The function of a washer is to Provide cushioning effect Absorb shocks and vibrations Provide bearing area Provide smooth surface in place of rough surface Provide cushioning effect Absorb shocks and vibrations Provide bearing area Provide smooth surface in place of rough surface ANSWER DOWNLOAD EXAMIANS APP
Machine Design The rolling contact bearings are known as Antifriction bearings Plastic bearings Thin lubricated bearings Thick lubricated bearings Antifriction bearings Plastic bearings Thin lubricated bearings Thick lubricated bearings ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a flat belt drive, if the slip between the driver and belt is 1 %, between the belt and follower is 3% and driver and follower pulley diameters are equal, then velocity ratio of the drive will be 0.97 0.98 0.96 0.99 0.97 0.98 0.96 0.99 ANSWER DOWNLOAD EXAMIANS APP