Machine Design The condition for maximum power transmission is that the maximum tension in the flat belt should be equal to (Where, Pc = tension in belt due to centrifugal force) 2 Pc 3 Pc Pc/3 1 Pc 2 Pc 3 Pc Pc/3 1 Pc 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) [⅟₂ × (P1 + P2)] + Pc P1 - P2 P1 + P2 ⅟₂ × (P1 + P2) [⅟₂ × (P1 + P2)] + Pc P1 - P2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design A thin spherical shell of internal diameter d is subjected to an internal pressure p. If V is the storage capacity of shell, then its diameter will be (6V/ π)2 (6V/ π)1/2 (6V/ π)3 (6V/ π)1/3 (6V/ π)2 (6V/ π)1/2 (6V/ π)3 (6V/ π)1/3 ANSWER DOWNLOAD EXAMIANS APP
Machine Design In hydrodynamic bearings The oil film pressure is generated only by the rotation of the journal Grease is used for lubrication The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant The oil film pressure is generated only by the rotation of the journal Grease is used for lubrication The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant ANSWER DOWNLOAD EXAMIANS APP
Machine Design In nitrated parts, the origins of the fatigue cracks will occur at Just below the surface Within the core None of these Surface Just below the surface Within the core None of these Surface ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stretching in a belt can be controlled by __________ the stress in the belt. Increasing Both A and B None of these Reducing Increasing Both A and B None of these Reducing ANSWER DOWNLOAD EXAMIANS APP