Concrete reaches its specified design strength after 28 days of ____.
A. foamwork
B. finishing
C. curing
D. placement
Answer: C
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To reduce fire risk, use a 2-wire NMB cable to supply two circuits for a room. One circuit is used for lighting and one for ____.
a. heat b. receptacles c. air conditioner d. floor
What is different about the changes that occur in the nutrient solution to be recycled within a NFT versus an ebb-and-flood system?
What will be an ideal response?
What is the purpose of the fiberglass hook kept at Ford dealerships as a special service tool?
A) A safety device to rescue a technician who is being electrocuted B) A measuring tool used to gauge the safe distance for a buffer zone around a HEV in service C) A safety device to remotely disconnect the high voltage cables from the DC to DC converter D) None of these is correct.
Changes in the volume of a gas can happen:
A) Only if there is change in barometric pressure. B) Anytime the ambient temperature changes and the volume of the container doesn't change. C) Whenever there is a change in temperature. D) Only if the size of the a container changes.