Machine Design Which is correct statement? Stress concentration in cyclic loading is Very serious in ductile materials and less serious in brittle materials Equally serious in both types of materials Very serious in brittle materials and less serious in ductile materials Seriousness would depend on other factors Very serious in ductile materials and less serious in brittle materials Equally serious in both types of materials Very serious in brittle materials and less serious in ductile materials Seriousness would depend on other factors ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be a self locking screw, if its efficiency is Less than 50% Equal to 50% More than 50% None of these Less than 50% Equal to 50% More than 50% None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design In helical bevel gearing, the axes of shafts are __________ and the teeth are curved. Non-intersecting and non-parallel Intersecting Intersecting and non-parallel None of these Non-intersecting and non-parallel Intersecting Intersecting and non-parallel None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design For same pulley diameters, center distance, belt speed and belt and pulley materials, Power transmission does not depend upon open and crossed types of constructions Crossed belt drive transmits more power than open belt drive Open belt drive transmits more power than crossed belt drive Open and crossed belt drives transmit same power Power transmission does not depend upon open and crossed types of constructions Crossed belt drive transmits more power than open belt drive Open belt drive transmits more power than crossed belt drive Open and crossed belt drives transmit same power ANSWER DOWNLOAD EXAMIANS APP
Machine Design If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (neglecting centrifugal tension) will be equal to (Where, Pc is centrifugal tension) P1 - P2 ⅟₂ × (P1 + P2) P1 + P2 [⅟₂ × (P1 + P2)] + Pc P1 - P2 ⅟₂ × (P1 + P2) P1 + P2 [⅟₂ × (P1 + P2)] + Pc ANSWER DOWNLOAD EXAMIANS APP
Machine Design All stresses produced in a belt are Both tensile and compressive stresses Tensile stresses Shear stresses Compressive stresses Both tensile and compressive stresses Tensile stresses Shear stresses Compressive stresses ANSWER DOWNLOAD EXAMIANS APP
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