What are some common ways of converting fuel to useful energy? Check all that apply.

freezing it

rotating it

burning it

heating it

Are ocean currents always cold

Which of these is the BEST description of a rock? A. a mixture of one or more minerals and possibly organic matter B. one pure mineral and organic matter C. a mixture of organic matter D. various minerals, but no organic matter

According to the amortization table, Demarco and Tanya will pay a total of in interest over the life of their loan. This means their total cost, including the $170,000 purchase price, is approximately.

Consider an ordinary mercury-in-glass thermometer as a measurement system, and indicate which parts of the thermometer correspond to the components of a measurement system. (detect, transform, output)

A 600 MW coal-fired power plant has an overall thermal efficiency of 38%. It is burning coal that has a heating value of 12,000 Btu/lb, an ash content of 5%, a sulfur content of 3.0%, and a CO2 emission factor of 220lb/million Btu.

Familiarity with basic fastener properties: For each of the standard fasteners specified informally below, determine the major diameter d, the pitch p, the pitch diameter dp, and the bolt length L.

The diameter of a cylinder is called the a.) stroke b.) bore c.) principal length d.) radius

Consider the following grooves, each of width W, that have been machined from a solid block of material. (a) For each case obtain an expression for the view factor of the groove with respect to the surroundings outside the groove.

What is the last step to the design process? A: Define the problem B: Present solution C: Evaluate a solution D: Develop a solution

The controller can be considered the brain of closed loop system