The requirement that toilets must use no more than 1.6 gallons of water per flush is mandated by the ...

The requirement that toilets must use no more than 1.6 gallons of water per flush is mandated by the _____.
 
  a. Americans with Disabilities Act
  b. Conservation of Power and Water Resources Act
  c. National Standard Plumbing Code
  d. local applicable code

 Q. 2

Which of the following measures is the standard airflow across an air-conditioning coil?
 
  A) 300 CFM per ton B) 500 CFM per ton C) 400 CFM per ton D) 600 CFM per ton

 Q. 3

The most common cause of motor failure in the HVACR field is:
 
  A) Voltage spikes on the power line. B) Failure to lubricate the starting components.
  C) Excessive heating. D) Failure to lubricate the windings.