Dr. Amit is online now. 1.Identify the four basic categories of hardware in a microcomputer system. 1. Hard disk, input/output, secondary storage, and display devices. 2. System unit, input/output, secondary storage, and primary storage. 3. System unit, input/output, secondary storage, and communication.
The semi-truck without the trailer weighs around 20,000 lbs. An empty trailer weighs around 12,000 lbs, but it depends on what type of trailer it is. There are hundreds of different configurations. The point is...the maximum legal weight that an 18-wheeler can weigh is 40 tons (80,000 lbs).
Van or reefer trailer: 14,000 to 20,000 Flat or step trailer: 9,000 to 15,000 Tank trailer: 6,000 to 20,000 The gross (loaded) vehicle weight limit on the American Interstate system is 80,000 lbs. A typical tractor-trailer combination, empty, weighs between 30,000 and 35,000. Hope this answers your question.