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michaela40 michaela40
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6 years ago
Line voltage thermostats can usually switch:
 
  A) 15 amps. B) 240 amps. C) 120 amps. D) 2 amps or less.

 Q. 2

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

 Q. 3

Compared to mechanical thermostats, digital thermostats:
 
  A) Ae less expensive.
  B) Allow for wider swings in the controlled temperature.
  C) Are generally less flexible in application.
  D) Maintain closer temperature control.
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jmbt96jmbt96
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6 years ago
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michaela40 Author
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6 years ago
This calls for a celebration Person Raising Both Hands in Celebration
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