Machine Design
Basic shaft is one

Whose lower deviation is zero
Does not exist
Whose upper deviation is zero
Whose lower as well as upper deviations are zero

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Machine Design
The effective stress in wire ropes during normal working is equal to the stress due to

Bending plus stress due to acceleration/retardation
Acceleration/retardation of masses plus stress due to bending
Axial load plus stress due to bending
Axial load plus stress due to acceleration/retardation

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Machine Design
For same pulley diameters, center distance, belt speed and belt and pulley materials,

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

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Machine Design
When the belt is transmitting maximum power,

None of these
The tension in tight side is twice the centrifugal tension
The tension in tight side is thrice the centrifugal tension
The tension in slack side is equal to the centrifugal tension

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