Of the following, which element is required to produce voltage by chemical reaction?
A. Lead dioxide
B. Spongy lead
C. Electrolyte
D. All three components are required to produce voltage
Answer: D
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a. total amount of material a crew places for a given job b. amount of material an individual worker places to complete a job c. amount of material scheduled to be used in a given time d. total amount of material an individual or crew places in a given time
Direct current
A) is bidirectional B) is unidirectional C) is always changing in value D) never changes in value
Las flechas que se muestran en el plano del techo suelen indicar _____.
a. el norte b. los drenajes del techo c. la dirección de la pendiente del techo d. Ninguno de los anteriores.
A carbon dioxide fire extinguisher can be used on all fires.
Answer the following statement true (T) or false (F)