Technician A says that electric tools are the technician’s tool of choice because they are more lightweight than air tools. Technician B says battery-operated tools offer an improved portability and versatility. Who is correct?

A. Technician A only
B. Technician B only
C. Both Technicians A and B
D. Neither Technician A nor B


B. Technician B only

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An oxidation catalyst may be referred to as a three way catalyst.

Answer the following statement true (T) or false (F)

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PROBLEM 2.25 Link BD is made of brass and has a cross-sectional area of 240 mm2. Link CE is made of aluminum and has a cross-sectional area of 300 mm2. Knowing that they support rigid member ABC, determine the maximum force P that can be applied vertically at point A if the deflection of A is not to exceed 0.35 mm.

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? Identify and state the historical significance of Andrew Mellon.

What will be an ideal response?

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If two 4-ohm speakers are connected in parallel, meaning positive (+) to positive (+) and negative (-) to negative (-), the total impedance will be ________

A) 6 B) 2 C) 1 D) 8

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