El tráfico y las cargas de la cons- trucción deben mantenerse ale- jados de una losa de concreto recién colocada hasta que se haya curado por al menos ____ días.

a. 3
b. 5
c. 7
d. 10


Answer: C

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Determine the volume of this stop block. Express the answer to the nearest thousandth cubic inch.

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The armature of a large DC motor has a very low resistance, typically less than ____.

a. one ohm b. two ohms c. three ohms d. four ohms

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A typical oil pump can pump how many gallons per minute?

A) 50 to 100 gallons B) 3 to 6 gallons C) 10 to 60 gallons D) 6 to 10 gallons

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When using a torque wrench to tighten a circular compressor head:

A) Set the wrench to 120% of the specification to allow for loosening. B) Tighten the bolts in a clockwise pattern, working your way around the circle. C) Apply a bead of silicone sealant to the gasket before starting D) Tighten all the bolts to a lower torque, repeat with a slightly higher torque, and finally tighten all the bolts to the specified torque.

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