Select a material that is combined with polymers to form very strong manufacturing composites.
A. cotton
B. metal
C. graphite
D. all of the above
Answer: A
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What factors need to be considered before selecting a lamp and how can the lighting system be divided up in order to analyze it?
What will be an ideal response?
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How much combustion air is needed for boilers?
A) Between 5% and 15% more than for stoichiometric combustion depending on burner design. B) Approximately 30% more than needed for stoichiometric combustion. C) The amount needed for stoichiometric combustion.
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Is the photoperiodic response controlled by the light or dark period?
What will be an ideal response?
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A random error is caused by making a measurement that creates a disturbance to the system.
Answer the following statement true (T) or false (F)
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