Machine Design
When the belt is transmitting maximum power, the belt speed should be(Where, m = mass of belt per meter (kg/m) and Pmax = maximum permissible tension in belt (N))

√(Pmax / 2m)
√(Pmax / 3m)
√(3m /Pmax)
√(Pmax / m)

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Machine Design
In hydrostatic bearings

The Oil film pressure is generated only by the rotation of the journal
Grease is used for lubrication
Do not require external supply of lubricant
The oil film is maintained by supplying oil under pressure

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