The ____ test is used to determine the water and cement content of fresh concrete.
A. slump
B. cement content
C. air-content
D. unit weight
Answer: B
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Many factors can affect reproductive efficiency, and therefore the heritability for
prolificacy in farm animals is low. A. True B. False
A bar over a term in a Boolean expression indicates the expression is ________
Fill in the blank(s) with correct word
When terminating a GTAW weld, the crater must be filled to the full cross section of the weld to prevent _____
a. cracking b. overfill c. melt-through d. root fusion
A container of R-134a tested at a pressure of 115 PSI at an ambient temperature of 75°F. This means ________.
A) That there is sealant in the container B) That there is R-12 in the container C) This is normal pressure for R-134a at that temperature D) Air is in the refrigerant