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Photo Voltaics
To study the Entry Level N A B C E P
| Term | Definition |
|---|---|
| What is (I) as it applies to Ohms Law? | Electrical Current |
| What is Ohm as it applies to Ohms Law? | Electrical Resistance |
| What is (V) as it applies to Ohms Law? | Electrical Voltage |
| The Earth is Tilted at? | 23.5 Degrees |
| A Watt is? | 0.001 |
| (KW) is equal to? | 1000 W |
| (MW) is equal to? | 1000 KW |
| (GW) is equal to? | 1000 MW |
| (TW) is equal to? | 1000 GW |
| AC stands for? | Alternating Current |
| DC stands for? | Direct Current |
| In cold weather what happens to Voltage? | It goes up |
| In hot weather what happens to Voltage? | It goes down |
| In cold weather what happens to Electrical Current? | It Goes down |
| In hot weather what happens to Electrical current? | It goes up |
| What does PV stand for | Photo-Voltaics |
| In the Northern hemisphere which direction should your PV system face in relation to the sun? | South |
| The Electrical Symbol for DC is | A solid line over 3 dashed lines. |
| The Electrical Symbol for AC is | A side ways S. |
| A Battery's capacity is typically measured in? | Amp Hours or (AH) |
| Define a Load? | Anything that uses electricity! |
| What is Ohms Law? | V=IR |
| The Equation to determine a watt is? | W=VI |
| 500 watts is equal to how much energy? | .5 (kWh) |
| Power is? | Watts |
| If a ladder is 16 feet up the side of a building it should be how many feet from a wall? | 4 |
| What does OSHA | Occupational Safty Heath Orginization |
| When is Fall protection required? | 6 feet off the ground or higher. |
| What is the leading cause of death to construction workers? | Falls |
| When are PV modules on? | Whenever there is ambient light! |
| If a roof is 13 feet high how how should the ladder be? | 16 feet. |
| What type of wire should be used in residential PV systems? | Copper Wire. |