Machine Design
A compound cylinder with inner radius 50 mm and outer radius 70 mm is made by shrinking one cylinder on to the other cylinder, the junction radius is 60 mm and the junction pressure is 1.1 N/mm². The maximum hoop stress developed in the inner cylinder is

7.2 N/mm² compression
3.6 N/mm² tension
7.2 N/mm² tension
3.6 N/mm² compression

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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

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