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) ⅟₂ × (P1 + P2) [⅟₂ × (P1 + P2)] + Pc P1 + P2 P1 - P2 ⅟₂ × (P1 + P2) [⅟₂ × (P1 + P2)] + Pc P1 + P2 P1 - P2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design In Vickers hardness testing, the pyramid indentor apex is 122° 136° 152° 40° 122° 136° 152° 40° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for precision metallic gears cut with high accuracy and operating at velocities up to 20 m/s is equal to 4.5/ (4.5 + v) 3/ (3 + v) 6/ (6 + v) 0.75/ (0.75 + √v) 4.5/ (4.5 + v) 3/ (3 + v) 6/ (6 + v) 0.75/ (0.75 + √v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Deep groove ball bearings are used for Small angular displacement of shafts Radial load at high speed Combined thrust and radial loads at high speed Heavy thrust load only Small angular displacement of shafts Radial load at high speed Combined thrust and radial loads at high speed Heavy thrust load only ANSWER DOWNLOAD EXAMIANS APP
Machine Design For same pulley diameters, center distance, belt speed and belt and pulley materials, Crossed belt drive transmits more power than open belt drive Open and crossed belt drives transmit same power Power transmission does not depend upon open and crossed types of constructions Open belt drive transmits more power than crossed belt drive Crossed belt drive transmits more power than open belt drive Open and crossed belt drives transmit same power Power transmission does not depend upon open and crossed types of constructions Open belt drive transmits more power than crossed belt drive ANSWER DOWNLOAD EXAMIANS APP
Machine Design A type of brake commonly used in motor cars is a Internal expanding brake Shoe brake Band and block brake Band brake Internal expanding brake Shoe brake Band and block brake Band brake ANSWER DOWNLOAD EXAMIANS APP
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