Question

10. The suggested Service Factor for V-belts used for coal pulverizers that have,à AC Motor with normal torque operating 16 to 24 hours per days is 1.3. True False 11. A single row, 309 redial ball bearings has 8 balls, 11/16 diameter, and a dynamic capacity rating of 6,150 lb True I False 12. The nominal horsepower of a belt is equal to the maximum belt tension times the belt velocity divided by 33,000 when using US units. e or Tve or Faise.?

Answer 1

10. False

• From the design data book for V - belts, the service factor for given condition will be 1.4