Machine Design
For crank shaft bearings, the ratio of the length of the journal to its diameter is_________.

Equal to 1
None of these
Less than unity
Greater than unity

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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
Open belt drive transmits more power than crossed belt drive
Power transmission does not depend upon open and crossed types of constructions

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