IPC standards are used by the electronics manufacturing industry. IPC-A-610, Acceptability of Electronic Assemblies, is used worldwide by original equipment manufacturers and EMS companies. There are more than 3600 trainers worldwide who are certified to train and test on the standard.
You can find doughnuts in different shapes, sizes and varieties, and the calorie content of a doughnut varies. Cake doughnuts contain about 198 calories if they are of medium size. According to the U.S. Department of Agriculture, a glazed doughnut contains about 240 calories and 120 of those calories are from fat. A medium-size frosted cake doughnut has 251 calories, but if the doughnut is large, it can contain 327 calories.
Nutrition summary: There are 251 calories in 1 piece (1/10 of 1-layer, 8 or 9 dia) of White Cake with Icing (Home Recipe or Purchased). Calorie breakdown: 31% fat, 67% carbs, 3% protein.