Machine Design
According to Indian standard specifications, 100 H6/g5 means that

Tolerance grade for the shaft is 4 to 8 and for the hole is 3 to 7
Tolerance grade for the hole is 4 to 8 and for the shaft is 3 to 7
Tolerance grade for the hole is 6 and for the shaft is 5
Tolerance grade for the shaft is 6 and for the hole is 5

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Machine Design
The elasticity is the property of a material which enables it to

Draw into wires by the application of a tensile force
Retain deformation produced under load permanently
Resists fracture due to high impact loads
Regains its original shape after deformation when the external forces are removed

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Machine Design
When the belt speed increases

Power transmitted increases to a maximum value and then decreases
Power transmitted decreases
Power transmitted remains the same
Power transmitted increases

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