Common carrier. A common carrier in common law countries (corresponding to a public carrier in civil law systems, usually called simply a carrier) is a person or company that transports goods or people for any person or company and that is responsible for any possible loss of the goods during transport.
Best Answer: Torque is a twisting force. It is the power output of an engine at one specific point in time. The first number, 200 in your expample, is the amount of torque. In America is is measured in foot/pounds. The second number, 400 in your example, is the RPM where that torque number occurs.
Torque. Torque refers to the 'low-end grunt' of an engine, and is often a more useful figure than horsepower when it comes to everyday driving. This is due to the fact that engines only achieve their advertised peak horsepower when running at high RPM, while maximum torque is produced much earlier in the rev range.