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).
United KingdomEdit. In the United Kingdom, the maximum permitted gross weight of a semi-trailer truck, without the use of a Special Type General Order (STGO), is 97,000 lb (44 t). In order for a 97,000 lb semi-trailer truck to be permitted on UK roads the tractor and semi-trailer must have three or more axles each.