Technician A says the centering gauges can be used to determine the datum plane. Technician B says the height measurements are taken from the datum plane. Who is correct?

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


C. Both Technicians A and B

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A test that is used to measure the consistency or stiffness of concrete is a(n) _____.

a. air entrainment test b. gravimetric test c. air entrapment test d. slump test

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What percentage of the world's plants are C4?

a. 10 c. 80 b. 40 d. 95

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Design a series RLC type bandpass filter with cutoff frequencies of 10 kHz and 11 kHz. Assuming C = 80 pF, find R, L, and Q.

What will be an ideal response?

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What type of system would be used when the refrigeration load varies over a wide range, such as in a supermarket?

What will be an ideal response?

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