Answer the following statement(s) true (T) or false (F)
1. The positively charged particle has been given the name proton; the negatively charged particle is called an electron.
2. The nucleus of the atom is the name given to the tightly packed, heavy central core where the protons of the atom are assembled.
3. The arrangement of electrons around the atom determines most of the physical and chemical properties and the behavior of an element.
4. Metals are fairly good conductors of electricity because they have many free electrons that can move from atom to atom.
5. The word ion refers to an electrically balanced atom.
1. True
2. True
3. False
4. True
5. True
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Which of the following statements is INCORRECT as it relates to programmed decisions?
a. It must be possible to develop some rule for making the decision. b. The decision situation needs to be fairly structured. c. Their use should be limited to noncritical situations. d. In many instances the decision can be computerized. e. They deal with repetitive situations.
Compared to the bulk soil in which the earthworms live, earthworm casts contain ________
A) less organic matter B) more of most plant-available nutrients C) less of most plant-available nutrients D) more sand and silt E) more nitrogen but less of other plant-available nutrients
A transformer has a turns ratio of 2.5:1. The primary voltage is 208 V. What is the voltage of the secondary winding?
A. 520 V B. 360.26 V C. 83.2 V D. 120 V
Which of the following is an example of baseline condenser data?
A) Suction line temperature B) Amp draw for the system C) Discharge pressure D) Temperature of air in