As a driver working in the trucking industry there will be times when you will have to drive a truck minus a trailer. A truck weighing over 10,000 lbs. without a trailer is defined as a bobtail. Driving a truck bobtail is somewhat different from pulling a trailer behind you, and at times, it can be more difficult. As a professional driver you will need to learn how to operate the truck safely without a trailer. When you drop one trailer and hook to another it is also considered bobtailing.. A box, short straight truck or short flatbed truck is sometimes incorrectly referred to as a bobtail.
Measuring the Mix. Use 4 ounces of plain, low-fat yogurt, a cup of skim milk and a medium banana, and your smoothie will have 259 calories. Swap the skim milk for almond milk, and you'll save 23 calories. But if you use whole milk, the calories in your smoothie increase by 66.epending on the ingredients, they can also be high in calories. You can make a basic banana smoothie with yogurt, milk and banana, or add other ingredients to increase the nutrient content and vary the flavor. Choose low-fat versions of dairy products to limit the saturated fat and calories in your smoothie.
The number of calories in a banana depends on its size. A small banana measuring 6 to 6 7/8 inches long contains 90 calories, and one that is 7 to 7 7/8 inches long contains110 calories. Large and extra large bananas that range from 8 inches to over 9 inches contain between 121 and 135 calories each.