Explain how control joints in a concrete slab-on-ground are provided.
What will be an ideal response?
By sawing the slab as soon as the concrete is hard enough to be sawed, generally within 48 hours after the placement of concrete.
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Which alternator component would most likely be damaged after the batteries were connected with reverse polarity?
A. Brushes B. Field coil C. Stator windings D. Rectifier diodes
A water-cooled solar collector is 7?6% efficient. What is carried away by the water if 1,400 W of solar power strikes the collector?
Fill in the blank(s) with the appropriate word(s).
El vapor _____.
a. es agua muy caliente b. se produce por agua que hierve c. es bruma d. es humo
What makes the BAS system attractive for buyers?
A) Lowest cost of all the hybrid systems B) Moderate increase in fuel economy versus conventional gasoline powered vehicles. C) Both A and B D) Neither A nor B