Machine Design Stress concentration is caused due to Pitting at points or areas at which loads on a member are applied All of these Abrupt change of section Variation in properties of material from point to point in a member Pitting at points or areas at which loads on a member are applied All of these Abrupt change of section Variation in properties of material from point to point in a member ANSWER DOWNLOAD EXAMIANS APP
Machine Design The cross-section of the arm of a bell crank lever is Rectangular I-section Elliptical Any one of these Rectangular I-section Elliptical Any one of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design Basic shaft is one Whose lower deviation is zero Whose upper deviation is zero Does not exist Whose lower as well as upper deviations are zero Whose lower deviation is zero Whose upper deviation is zero Does not exist Whose lower as well as upper deviations are zero ANSWER DOWNLOAD EXAMIANS APP
Machine Design The fatigue life of a part can be improved by Polishing Shot peening Electroplating Coating Polishing Shot peening Electroplating Coating ANSWER DOWNLOAD EXAMIANS APP
Machine Design A thin spherical shell of internal diameter d is subjected to an internal pressure p. If σt is the tensile stress for the shell material, then thickness of shell is equal to pd/3σt pd/σt pd/4σt pd/2σt pd/3σt pd/σt pd/4σt pd/2σt ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for ordinary cut gears operating at velocities up to 12.5 m/s is equal to 0.75/(0.75 + √v) 4.5/(4.5 + v) 6/(6 + v) 3/(3 + v) 0.75/(0.75 + √v) 4.5/(4.5 + v) 6/(6 + v) 3/(3 + v) ANSWER DOWNLOAD EXAMIANS APP
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