Answer the following statement(s) true (T) or false (F)
1. A charge controller is used when charging a battery.
2. A solar photovoltaic (PV) system is made up of the components that convert solar energy into mechanical energy suitable for connection to a load.
3. The world PV market is estimated to be less than 10 billion dollars.
4. While the United States demand for photovoltaic systems is strong, the global market, especially in Germany and Japan, is much larger.
5. The fact that photovoltaic systems are expensive is an advantage.
1. TRUE
2. FALSE
3. FALSE
4. TRUE
5. FALSE
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Answer the following statement(s) true (T) or false (F)
A good worker should always be looking for ways to improve the quality and efficiency of his work.
Los andamiajes que pasen de _____ de alto deben ser diseñados por un ingeniero profesional.
a. 30 pies (9,14 m) b. 60 pies (18,28 m) c. 75 pies (22,86 m) d. 90 pies (27,43 m)
A very common method of detecting motor ____ is with the use of an electro-tachometer, a small permanent-magnetic generator connected to the motor shaft.
a. speed b. temperature c. use d. rotation
Llamas and alpacas are shorn monthly.
Answer the following statement true (T) or false (F)