Briefly define electricity.
What will be an ideal response?
The looseness or tightness of the electrons in orbit around the nucleus of an atom explains the behavior of electricity. Electricity is caused by the flow of electrons from one atom to another. The release of energy as one electron leaves the orbit of one atom and jumps into the orbit of another is electricity.
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Which of the following is a true statement?
A. Inrush current refers to a high level of current that is drawn by some devices when first switched on. B. A 10A fuse will always immediately blow when a current of more than 10A flows through the fuse. C. Doubling the current flow always causes the power dissipated (wattage) to also double. D. All of the above are true statements.
Valves are held in place by ____________________, which should be installed using the manufacturer’s instructions.
Fill in the blank(s) with the appropriate word(s).
While checking an axle ratio, a technician finds that it takes 34.5 turns of the driveshaft to produce 20 turns of one rear tire; the other one is locked. What is the gear ratio?
A) 2.0 to 1 B) 3.45 to 1 C) 2.33 to 1 D) Not enough information to calculate
The solar load on a structure is the heat gain resulting from the ____.
A. heat from the surrounding air conducted through the materials of the structure B. air infiltration C. heat from the radiation from the sun D. dry-bulb inside the structure