Answer the following statement(s) true (T) or false (F)
1. Composites are created by combing two or more solid materials to make a new material that has properties that are superior to those of the individual components.
2. Composite materials consist of two main ingredients: matrix material and fibers.
3. The term fluids refers to liquids, not gases.
4. Air and water are among the most abundant fluids on earth.
5. Air is a mixture of mostly oxygen, and small amounts of other gases.
1. True
2. True
3. False
4. True
5. False
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Constructed wetlands are:
a. found only in the Pacific Northwest of the United States b. human-made marshlands c. found only in the forests on the East Coast d. found only next to rivers and lakes where there is a tendency to have water runoff
Why should the estimator review the plumbing portions of the project whether it involves single or separate contracts?
What will be an ideal response?
A 20-k?/V voltmeter reads 10 V full scale,
(a) What series resistance is required to make the meter read 50 V full scale? (b) What power will the series resistor dissipate when the meter reads full scale?
Technician A says the secondary air monitor tests for flow by monitoring the oxygen sensor response. Technician B says the secondary air monitor is run once per drive cycle. Who is correct?
A. A only B. B only C. both A and B D. neither A nor B