What are the disadvantages of foam, water, or dry chemical fire extinguishers?
What will be an ideal response?
Freezing if not kept heated
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Transformers are 100% efficient.
Answer the following statement true (T) or false (F)
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____________ are the plastids that use the energy of the sun to make carbohydrates
a. Chloroplasts c. Chromoplasts b. Leucoplasts d. non of these answers
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If a 22 ?F and 100 ?F capacitor are connected in parallel across a 15 V source, the total capacitance equals ________ and the 22 ?F capacitor drops ________
A) 18 ?F, 15 V B) 122 ?F, 15 V C) 1220 ?F, 30 V D) 18 ?F, 5.2 V
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The letter "S" is indicative of a surface weld.
Answer the following statement true (T) or false (F)
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