Type ____ Portland cement is used only in concrete that is exposed to severe sulfate conditions.
A. IIA
B. III
C. IV
D. V
Answer: D
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The dangerous proviso that Germany attached to its Sussex pledge not to attack unarmed neutral shipping was the requirement that
A. Americans would have to refrain from sailing on British-owned passenger ships. B. U-Boats could capture merchant vessels if the submarines surfaced. C. the Americans would have to guarantee that passenger vessels were not secretly carrying military supplies. D. the United States would have to persuade the Allies to end their blockade of Germany or submarine warfare would be resumed. E. Woodrow Wilson would have to seek a fair, negotiated settlement of the war.
What size should the combustion air openings be for a room with an 80,000 BTU/hr input furnace and a 35,000 BTU/hr water heater if the openings are opening directly into a ventilated attic and a ventilated crawlspace?
What will be an ideal response?
The letter p in the term pH refers to ____________________ (positive, negative logarithm) and the letter H refers to ____________________ (hydroxyl, hydrogen).
Fill in the blank(s) with the appropriate word(s).
Which way should your front wheels be turned when parked uphill next to a curb?
a. toward the curb b. parallel to the curb c. away from the curb