Answer the following statement(s) true (T) or false (F)
1. According to the National Electrical Code®, the AHJ must personally conduct or witness an emergency system test and verify its functionality in writing before using the system.
2. A capacitor is used to remove unwanted ripple from the output of a rectifier and will maintain a constant voltage regulation.
3. When transporting power over long distances, DC remains the best choice.
4. A rectifier converts AC into pulsating DC.
5. According to the National Electrical Code®, all boxes and enclosures containing emergency systems must be clearly and permanently marked to indicate the presence of emergency circuits or systems.
1. T
2. F
3. F
4. T
5. T
You might also like to view...
Embryo development in monocots (like corn) usually occurs in recognizable stages. These include ________, ________, ________, and ________.
Fill in the blank(s) with the appropriate word(s).
Los aparatos de iluminación tipo C de la Figura 1 tienen la letra R junto a las cajas de salida. De acuerdo con los símbolos eléctricos del ANSI (American National Standards Institute: Instituto Nacional Estadounidense de Estándares), R significa que los _____.
a. aparatos de iluminación se elevan hasta la superficie del techo terminado b. aparatos de iluminación están empotrados c. los aparatos de iluminación son resistentes al polvo d. lentes son de color rojo
Biomass is the product of cellular respiration
Indicate whether the statement is true or false.
Current is measured in what unit?
What will be an ideal response?