Which of these actions is taken to prevent over-pressurizing the torch hoses during equipment setup?

a. Opening the tank valve slowly.
b. Turning the regulator adjusting screw counterclockwise (out).
c. Turning the regulator adjusting screw clockwise (in).
d. Installing flashback arrestors.


b. Turning the regulator adjusting screw counterclockwise (out).

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If a crew of masons is needed to lay 1,000 concrete blocks, and the estimator determined that two masons could complete the job in one eight-hour day, what is the estimated productivity rate for block laying?

a. 125 blocks per hour b. 62.5 blocks per hour c. 31.25 blocks per hour d. 16 blocks per hour

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While having a discussion, Technician A says that you should use moly assembly lube on a one-way clutch. Technician B says that it should not be used on a one-way clutch because it will cause morning sickness. Who is correct?

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

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Plants that reproduce sexually must produce ____ gametes

a. two c. four b. three d. six

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____ refers to the dispersion of water under the soil line rather than top-watering plants

a. Substrate watering c. Subirrigation b. Leaching d. Soaking

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