Prescriptive-type tables for use in project specifications have been developed by the _____.

Prescriptive-type tables for use in project specifications have been developed by the _____.
 
  a. American Cement Specification Board
  b. American Concrete Institute
  c. American Concrete Council
  d. American Cement Manufacturers Association

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[Ques. 2] A pozzolanic material used in making very high-strength concrete is _____.
 
  a. fly ash
  b. hydrated lime
  c. silica fume
  d. diatomaceous earth

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[Ques. 3] Using the equation: head = (P  144)  D, calculate a pump's head pressure with a measured pressure drop
  across the pump of 9.4 psi. Assume water has a density of 62.4 pounds per cubic foot.
 
  a. 4.07
  b. 21.7
  c. 0.047
  d. 18.45

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[Ques. 4] When calculating the required flow rate for a hydronic heating system, you must know the _____.
 
  a. temperature differential across the terminals
  b. pressure differential across the terminals
  c. specific gravity of water
  d. Btuh output of the boile

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[Ques. 5] The hourly heat loss of a building is needed in order to _____.
 
  a. select zone valves
  b. find the head pressure of a pump
  c. determine pipe friction losses
  d. find the required heating water flow rate