A power plant has an overall efficiency of 30%. The plant generates 30 MW of electricity and uses coal from Montana as fuel. Determine how much coal must be burned to sustain the generation of 30 MW of electricity.
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Answer the following statement(s) true (T) or false (F)
1. The intensity of solar radiation striking the Earth’s surface is increased when it passes through a thicker layer of atmosphere and when it strikes at an angle rather than vertically. 2. Low ceilings and heating/cooling zones that are separated from one another by closed doors are most efficient for heating a home in a cold climate. 3. Residential solar water heating installations must be passive. 4. Silicon is the most popular semiconductor material for solar cells. 5. PV modules range in output from 10 to 300 watts.
La secuencia del contactor para el circuito que se muestra en la Figura 2 es tal que el/los contactor(es) _____ se energiza(n) durante la transición de funcionamiento de voltaje reducido a funcionamiento de voltaje completo.
a. 1S b. 2S c. 1S y 2S d. 2S y R
List three jobs in the area of plant science
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List the important aspects associated with Ai and AA-402.
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