The average of 27 days, 23 days, 30 days, and 30 days is:?

A. ?27 days
B. ?27.5 days
C. ?28 days
D. ?28.2 days


Answer: B

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Using sketches, explain the commonly used beamless concrete floor systems.

What will be an ideal response?

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A) Retards the ignition timing to reduce noise and vibration in the cylinders B) Uses active engine mounts C) Uses active noise control D) Both B and C are correct

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

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

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