Identify ways that solar energy is used to provide heating and lighting and to produce electrical energy
What will be an ideal response?
Passive and active heating systems use solar energy to heat air or water that is used in heating systems. A storage medium such as water or rocks are used to store the extra heat. Solar lighting systems may be as simple as windows and more complex as solar tube lighting systems.
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When using a DMM to test for current, how should the test leads be inserted into the electrical circuit?
A. Series - open circuit B. Series - closed circuit C. Parallel - open circuit D. Parallel - closed circuit
Goats were the first livestock species to be domesticated
Indicate whether the statement is true or false
Which of the following is true?
A. The internal energy of a system is comprised solely of the rotational, translational and vibrational kinetic energy of the molecules. B. All ideal gases have CV* = (3/2)R. C. A substance’s state of matter is that of a “supercritical fluid” if it is either at a temperature above its critical temperature, or at a pressure above its critical pressure. D. The Gibbs phase rule indicates that a pure compound at its triple point has one degree of freedom. E. None of the above are true.
What is a vent in the mold, what problems are prevented by the presence of a vent, and what parameters control its size?
What will be an ideal response?